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Context Engineering Expert Needed for SaaS Memory Knowledge Feature Development
Applied
$800
1 hour ago
Client Rank
- Excellent
Payment method verified
$63 727 total spent
139 hires, 24 active
192 jobs posted
72% hire rate,
1 open job
13.00 /hr avg hourly rate paid
535 hours paid
4.87
of 122 reviews
Registered: Apr 26, 2015
Estonia
Tallinn
20:46
5
We are seeking a Context Engineering Expert to help us develop a Memory Knowledge feature for our startup SaaS platform. This feature should function similarly to the memory capabilities seen in Manus, ChatGPT, or Gemini Instructions, providing users with personalized experiences based on their past interactions. The ideal candidate will have a strong background in context engineering and familiarity with AI-driven memory systems. Join us to innovate and enhance our product's user experience!
Client's questions:
Describe your recent experience with similar projects
Lead Researcher needed to carry out a lead collection
No feedback given
To client:
5
Nice working experience with Anni. Thank you!
Feb 2022 - Dec 2025 FIXED $160.00
Srategy and operational model for energy consulting
No feedback given
Apr 2025 - Aug 2025 FIXED $150.00
Content creation and Social media management
To freelancer:
5
To client:
5
It was really nice working with Adina. Looking forward to working with her again in the future.
May 2023 - Jan 2025 FIXED $402.85
Video editor
No feedback given
To client:
5
May 2021 - Dec 2024 FIXED $2,780.00
Data Research and Entry
No feedback given
To client:
4.8
Feb 2024 - Jun 2024 FIXED $660.85
Wordpress manager
No feedback given
Dec 2021 - Dec 2023 FIXED $1,010.00
Digital Marketeer needed for an online course launch
To freelancer:
4.55
Miguel is definitely experienced and competent in his field. He is collaborative and communicates clearly.
To client:
5
May 2023 - May 2023 FIXED $550.00
Blog post creation
To freelancer:
5
Camilla is a great professional to work with! We have had a few projects together, and she showed top-notch communicatio…Camilla is a great professional to work with! We have had a few projects together, and she showed top-notch communication skills, and her skills were reasonably strong. She adapted to our requirements and delivered a great result!
To client:
5
As usual, Iryna was a great client to work with, and I’d love to work together again in the future! :)
Jan 2022 - Jan 2022 FIXED $120.00
Facebook ad specialist needed for test product launch
To freelancer:
5
Jaime is a great professional to work with! His experience and knowledge about the topic helped our project to succeed a…Jaime is a great professional to work with! His experience and knowledge about the topic helped our project to succeed and show the results. His communication was top-notch, he met all deadlines, and his skills were reasonably strong.
He did everything that was expected and above!
We will definitely work together again!!
To client:
5
Great experience working on a project to run a Facebook ads campaign for an app launch. Very collaborative and strong co…Great experience working on a project to run a Facebook ads campaign for an app launch. Very collaborative and strong communication skills which allowed me to work on this campaign in the best possible way I could.
Jan 2022 - Jan 2022 FIXED $110.00
Product Manager to quickly help with customer validation
No feedback given
To client:
5
Fun job and great to work with you!
Dec 2021 - Jan 2022 FIXED $100.00
Social media content creator
No feedback given
To client:
5
Jan 2022 - Jan 2022 FIXED $770.00
Graphic designer (social media, brand identity, web design)
To freelancer:
5
Mohamed did the work in a very professional way - high creativeness and execution of the tasks given. All the deadlines …Mohamed did the work in a very professional way - high creativeness and execution of the tasks given. All the deadlines were met, we are definitely going to work together again. Thank you Mohamed and the team!
To client:
5
Iryna was a pleasure to work with and collaborate with, she provided very clear and detailed specifications and was alwa…Iryna was a pleasure to work with and collaborate with, she provided very clear and detailed specifications and was always willing to clarify or answer questions instantly, highly recommended.
Dec 2021 - Dec 2021 FIXED $120.00
Blog post writing | Education, Innovation, Business field
To freelancer:
5
Camilla did a great job and showed professionalism by delivering the work on time with all the requirements met and more…Camilla did a great job and showed professionalism by delivering the work on time with all the requirements met and more! We will definitely work together again.
To client:
5
I had a great time working with Iryna, and I’m looking forward to collaborate in the future. Great client and I absolute…I had a great time working with Iryna, and I’m looking forward to collaborate in the future. Great client and I absolutely recommend her. :)
Nice to work with Adina, Hope to work with her again in the Future!!!
Sep 2020 - Sep 2021 FIXED $30.00
LMS Expert (TOVUTI)
To freelancer:
5
To client:
5
Anni gave straightforward instructions. She has a brilliant mind and the people working with her are motivated to do th…Anni gave straightforward instructions. She has a brilliant mind and the people working with her are motivated to do their best. I enjoyed working on this project.
May 2021 - Jul 2021 FIXED $2,001.00
Copywriter for a video
To freelancer:
4.6
May 2021 - Jun 2021 3 hrs @ $50.00/hr Billed: $150.00
Content Writer Test
No feedback given
To client:
5
It was great working on this project.
Jul 2020 - May 2021 FIXED $90.00
Writing video scripts - humorous & educational
To freelancer:
4.4
To client:
4.45
Great client to work with. We were able to get on the same page and create a product we were both happy with. Would reco…Great client to work with. We were able to get on the same page and create a product we were both happy with. Would recommend.
Oct 2020 - Apr 2021 FIXED $4,929.00
Video script for educational purpose - humorous
To freelancer:
5
Really quick and professional communication. Got just what we wanted
To client:
5
Karolina is the perfect client: Patient, appreciative of good work with a great sense of humor. Hope to work with her ag…Karolina is the perfect client: Patient, appreciative of good work with a great sense of humor. Hope to work with her again!
Quick and professional communication. Quickly understood want we needed and delivered everything on time. I really enjoy…Quick and professional communication. Quickly understood want we needed and delivered everything on time. I really enjoyed working with Seth!
To client:
5
Great experience! Expectations were very clear and project was enjoyable!
Mar 2021 - Mar 2021 4 hrs @ $80.00/hr Billed: $320.00
Generate contact list from LinkedIn
To freelancer:
5
Muhammad knows his way around lead generation and contact base development. He is capable of just not executing a task b…Muhammad knows his way around lead generation and contact base development. He is capable of just not executing a task but also providing consulting and advice on the tasks. He always provides an impeccable quality of work.
To client:
5
Thank You it was a pleasure to work with you.
Sep 2020 - Jan 2021 FIXED $146.88
Data collection for universities 2018-2019
To freelancer:
5
It has been years that Vasileios has helped us with our data search and entry projects. He has an impeccable discipline …It has been years that Vasileios has helped us with our data search and entry projects. He has an impeccable discipline and an admirable work ethic. I would recommend working with him at any time!
To client:
5
I enjoyed very much working on this project and I hope to have the opportunity to work with Adina and Innovation Academy…I enjoyed very much working on this project and I hope to have the opportunity to work with Adina and Innovation Academy in the future. Highly recommended, thank you!
Sep 2020 - Jan 2021 FIXED $787.07
Update the existing data
To freelancer:
5
It has been years that Sharon. Has helped us with our projects regarding data search and entry. She has impeccable disci…It has been years that Sharon. Has helped us with our projects regarding data search and entry. She has impeccable discipline and an admirable work ethic. I would recommend working with her at any time!
To client:
5
Adina is an amazing client. I love working with her whenever there is a project to work on. She is awesome!
Oct 2020 - Jan 2021 FIXED $573.75
Proofreader
To freelancer:
5
Mike is an excellent native English proofreader and content writer. He captures perfectly the essence of what the text h…Mike is an excellent native English proofreader and content writer. He captures perfectly the essence of what the text has to convey. Having experience in content writing and marketing in general makes his texts balanced between authenticity and commercial value.
Internet/web researcher for business-related topics
No feedback given
To client:
5
Awesome Client!!
Oct 2020 - Dec 2020 FIXED $5.00
Writing video scripts - humorous & educational
To freelancer:
5
Uche understood the task extremely well, asking relevant questions and delivered a good script according to our input. S…Uche understood the task extremely well, asking relevant questions and delivered a good script according to our input. She also put extra effort there to find relevant examples needed from the real world.
To client:
5
Oct 2020 - Oct 2020 FIXED $300.00
Generate contact list from LinkedIn
To freelancer:
5
Muhammad is reactive, experienced, and understands well client's needs. He is autonomous and delivers the expected quali…Muhammad is reactive, experienced, and understands well client's needs. He is autonomous and delivers the expected quality of work.
To client:
4.65
Thanks
Jan 2020 - May 2020 FIXED $20.00
Update US university contact base
To freelancer:
5
Andjela is reliable, independent and honest which makes her a terrific freelancer to work with. She takes direction very…Andjela is reliable, independent and honest which makes her a terrific freelancer to work with. She takes direction very well and is motivated to deliver the best possible outcome.
Thank you Aakash. Great work will definitely work again.
To client:
5
Aug 2025 - Sep 2025 FIXED $380.00
CI/CD Pipeline Setup for PHP Application
To freelancer:
5
Rehan is very professional, will definitely work with him again.
To client:
5
Dec 2024 - May 2025 FIXED $500.00
Android Samsung knox
To freelancer:
5
To client:
5
May 2024 - Jun 2024 14 hrs @ $26.60/hr Billed: $372.45
Android Samsung knox
To freelancer:
5
To client:
5
I liked working with Sumera and hope to have the opportunity to work with her again.
May 2022 - Jun 2022 7 hrs @ $31.50/hr Billed: $225.75
urgent Centos OS Support
To freelancer:
5
To client:
5
I enjoyed working on this project. All expectations and requirements were communicated up front and the client was respo…I enjoyed working on this project. All expectations and requirements were communicated up front and the client was responsive to any of my requests for clarification.
Senior SS&C Tradex & APX Developer needed, English B1+
Project: Customization, maintenance, and optimization of investment operations platforms (SS&C Tradex and APX) to support asset and portfolio management workflows, trading, accounting, and reporting.
• Develop and maintain customizations and business workflows across SS&C Tradex and SS&C APX platforms.
• Build and optimize complex SQL queries, stored procedures, and data transformation logic.
• Design and implement Java-based components and integration modules.
• Develop and consume SOAP/REST Web Services for system integration (CRM, Data Warehouse, Trading).
• Troubleshoot platform issues and perform root-cause analysis for investment operations.
Requirements:
• 5-8 years of hands-on experience in software development within the SS&C ecosystem.
• Deep expertise in SS&C Tradex and APX customization, configuration, and architecture.
• Advanced proficiency in SQL development, performance tuning, and complex data modeling.
• Solid experience in Java development and Object-Oriented Design.
• Strong knowledge of Web Services (REST/SOAP) and API-driven architectures.
• Deep understanding of Investment Operations: trade lifecycle, settlements, corporate actions, NAV, and reconciliation.
Nice to Have:
• Experience with ETL tools or integration frameworks within the SS&C ecosystem.
• Experience with reporting tools (SSRS, Crystal Reports, APX reporting modules).
• Understanding of multi-asset class investment products.
• Exposure to cloud modernization or platform migration initiatives.
Daniel was responsive all the time and he did a good job!
To client:
5
Jul 2024 - Oct 2024 FIXED $100.00
Consultant that help me to connect Banking API in US
To freelancer:
5
It was my pleasure to know Ahmed.
To client:
5
Very good client with strong communication skills
Jul 2024 - Jul 2024 FIXED $25.00
OCR, NLP and ML for invoice extraction
No feedback given
To client:
4.55
It was a pleasure working with Asma. she clearly communicated all expectations and requirements upfront and was responsi…It was a pleasure working with Asma. she clearly communicated all expectations and requirements upfront and was responsive to any clarification requests. I enjoyed collaborating on the OCR, NLP, and ML invoice extraction project and would love to work with her again in the future.
Mar 2023 - Jun 2023 FIXED $30.00
Need technical writer for background chapter with references method
No feedback given
To client:
5
Oct 2021 - Feb 2023 FIXED $51.54
Flask + Django + Javascript +React JS
To freelancer:
5
Amazing freelancer, he could solve my problem in a short time, he is available immediately.
To client:
5
It was great working with the Client. She is extremely professional and helpful to understand the requirement properly.
Dec 2022 - Dec 2022 FIXED $10.00
Doctor for content writing
To freelancer:
5
Great article related to medicine, she delivered high quality words in a short time, no plagiarism detected.
To client:
5
It was great working with ASMA. All expectations and requirements were communicated up front and she was responsive to a…It was great working with ASMA. All expectations and requirements were communicated up front and she was responsive to any of my requests for clarification.
May 2022 - May 2022 FIXED $15.00
Technical writer with references, Cloud computing
No feedback given
To client:
5
It was a pleasure working with Asma. She gave me several jobs and was always present to answer my questions. She also ne…It was a pleasure working with Asma. She gave me several jobs and was always present to answer my questions. She also never delayed to release funds.
Sep 2021 - Apr 2022 FIXED $20.00
Looking for Chinese assistant to help me deal with a Chinese website
To freelancer:
3.7
Sorry, I couldn't reach you since last week and I need to complete this job. I am closing the contract to hire someone e…Sorry, I couldn't reach you since last week and I need to complete this job. I am closing the contract to hire someone else.
To client:
5
Apr 2022 - Apr 2022 FIXED $10.00
Part time Python bot developer and web crawler
To freelancer:
5
.
To client:
4.85
Asma is good and Cooperative with deadlines.
i would like to work again.
Dec 2021 - Apr 2022 FIXED $175.00
Looking for virtual assistant from Turkey to help me rent a property.
To freelancer:
5
Very skilled mathematician that can solve a lot of problems. He was online most of the time and he helped me to resolve …Very skilled mathematician that can solve a lot of problems. He was online most of the time and he helped me to resolve my problem in few days.
I would hire him again for future projects.
To client:
5
Nice to work with Asma . Easily communicate and very helpful.
Mar 2022 - Mar 2022 FIXED $50.00
Technical support
No feedback given
To client:
2.15
Clients requirement changed after completion of work.
Oct 2021 - Mar 2022 FIXED $18.00
Part time python developer
To freelancer:
5
.
To client:
5
I learned new things in this trial period, thank you for the opportunity.
Oct 2021 - Jan 2022 FIXED $60.00
Part time python developer
No feedback given
To client:
3.25
Nov 2021 - Dec 2021 FIXED $25.00
Python developer to help develop and evaluate NLP for sentiment analysis and use ML for prediction
To freelancer:
4.8
.
To client:
5
Nov 2021 - Dec 2021 FIXED $265.00
Professional writer with Background in Deep learning and Machine learning
To freelancer:
4.8
To client:
5
It was really a great experience working with her. Great Client.
Nov 2021 - Nov 2021 FIXED $75.80
Technical writer for Deep F.
No feedback given
To client:
5
Good Working with Asma. Great Client.
Nov 2021 - Nov 2021 FIXED $45.00
Looking for an expert in unittest in python
No feedback given
To client:
5
Aug 2021 - Nov 2021 FIXED $40.00
Python Flask developer with knowledge in Cloud
To freelancer:
3.75
.
To client:
4.85
Everything went good and we agreed to work more but somehow she was not willing to pay what I asked so we had to end the…Everything went good and we agreed to work more but somehow she was not willing to pay what I asked so we had to end the contract after 3 months. She is recommended.
Aug 2021 - Nov 2021 FIXED $60.00
Python developer to help develop and evaluate NLP for sentiment analysis and use ML for prediction
To freelancer:
5
The freelancer was able to deliver the work based on the requirements.
To client:
5
It was good working with ASMA. Cooperative and clear about the work. It will be a great opportunity to work with her aga…It was good working with ASMA. Cooperative and clear about the work. It will be a great opportunity to work with her again. :)
Nov 2021 - Nov 2021 FIXED $20.00
3D cartoon designer
No feedback given
To client:
5
It's a pleasant experience to work with her. 🙌
Nov 2021 - Nov 2021 FIXED $25.00
3D cartoon designer
To freelancer:
5
I appreciate your goal achievement.
To client:
5
Very kind and Helping in nature. She was responsive to any of my requests for clarification. I am glad that I started m…Very kind and Helping in nature. She was responsive to any of my requests for clarification. I am glad that I started my journey in Upwork with a project of her. I hope I reached the level of professionalism that you were looking for. Thanks
Nov 2021 - Nov 2021 FIXED $15.00
Content writer
No feedback given
To client:
4.4
Mar 2021 - Oct 2021 FIXED $10.00
Expert in deep learning to classify videos (fake/real)
To freelancer:
5
Good developer!
To client:
5
I really enjoyed working on this project. She was quite cooperative and always ready to provide details as much as possi…I really enjoyed working on this project. She was quite cooperative and always ready to provide details as much as possible. Hope to work with her again.
Sep 2021 - Oct 2021 FIXED $70.00
Looking for blog writer (pharmacy topic)
To freelancer:
5
The pharmacist delivered a good job and she is skilled in her major.
She did research to write articles.
Aug 2021 - Oct 2021 FIXED $10.00
Need technical writer for background chapter with references method
To freelancer:
5
Good job!
To client:
5
Asma is a great client. I'll gladly work with her again.
Sep 2021 - Oct 2021 FIXED $124.94
Content writer
To freelancer:
5
.
To client:
5
Asma is a star ++ client. She was always clear in her requirements and was available to answer any questions I had. Con…Asma is a star ++ client. She was always clear in her requirements and was available to answer any questions I had. Consequently, I intend to work with her in the long term.
Apr 2021 - Sep 2021 FIXED $209.00
You will get amazing python web application
To freelancer:
5
.
To client:
5
Aug 2021 - Sep 2021 FIXED $10.00
Deep learning different tasks
To freelancer:
5
Good job!
To client:
5
Very cooperative client. Would definitely like to collaborate in the future.
Jan 2021 - Jun 2021 FIXED $345.00
Deep learning content writer
To freelancer:
4.85
.
To client:
5
I enjoyed working on this project. All expectations and requirements were communicated up front and the client was resp…I enjoyed working on this project. All expectations and requirements were communicated up front and the client was responsive to any of my requests for clarification. I liked working with her and hope to have the opportunity to work with her again.
May 2021 - Jun 2021 FIXED $80.00
Python and MYSQL developer to fix an issue
To freelancer:
5
It was a nice opportunity to work with this freelancer. I highly recommend him 😊
To client:
5
Thanks!
May 2021 - Jun 2021 FIXED $5.00
Technical writer to extend Result analysis part
To freelancer:
4.15
.
To client:
5
Very professional and great to work with.
Mar 2021 - May 2021 FIXED $15.00
Content writer
To freelancer:
5
Good job!
To client:
5
Working with Asma was an absolute pleasure. She is a great client who clearly outlines her requirements, sets reasonable…Working with Asma was an absolute pleasure. She is a great client who clearly outlines her requirements, sets reasonable deadlines, and is always available for communication. She also releases payment as soon as the work is submitted. If the opportunity arises, I will be glad to work for her again.
Mar 2021 - Apr 2021 FIXED $40.00
DevOps developer
To freelancer:
5
Good job!
To client:
5
Apr 2021 - Apr 2021 FIXED $25.00
Website full stack consultant to draw the flow of my client specification
To freelancer:
5
Good job as usual :)
To client:
5
It was great working with MenKou Consulting Group again - amazing client and lovely brand to work on. Would love to work…It was great working with MenKou Consulting Group again - amazing client and lovely brand to work on. Would love to work together again soon!
Feb 2021 - Mar 2021 FIXED $45.00
I need a Django assistant to link my front pages into the backend
No feedback given
To client:
5
I am pleased to work with her.
Feb 2021 - Feb 2021 FIXED $15.00
Report in R
To freelancer:
5
The best statistician, with an honest work.
To client:
5
Asma is a great person. Always looking to learn and understand our projects. She helps in every step of the process so t…Asma is a great person. Always looking to learn and understand our projects. She helps in every step of the process so the jobs are easier to complete. I hope we can build a long term relationship for future projects! I strongly recommend everyone to work with her!
Dec 2020 - Jan 2021 FIXED $25.00
Professional writer with Background in Deep learning and Machine learning
To freelancer:
4.6
.
To client:
4.15
It was fun working in this Project but the deadline was a bit short. Good communication and understanding.
Dec 2020 - Jan 2021 FIXED $40.00
I need an expert in Deep Learning for support
To freelancer:
5
.
To client:
5
Was a pleasure working with client, hope to work again.
Dec 2020 - Jan 2021 FIXED $20.00
Content writer with Deep learning background
To freelancer:
4.4
Noor is a responsive Writer.
Nov 2020 - Dec 2020 FIXED $25.00
I need a statistician in R
To freelancer:
5
Amazing developer, very professional in statistic and R.
He is also cooperative, I am very glad to hire him again and ag…Amazing developer, very professional in statistic and R.
He is also cooperative, I am very glad to hire him again and again!
To client:
5
Working with Asma was a great experience. She was very understanding and supportive, she helps to master the project, gi…Working with Asma was a great experience. She was very understanding and supportive, she helps to master the project, give clear instructions, examples, and provides support in every step of the process. I hope we can do more projects together!
AI Systems and Automation Developer for Business Solutions
Applied
$20 - $35
/ hr
2 hours ago
Client Rank
- Medium
Payment method verified
Phone number verified
1 jobs posted
2 open job
no reviews
Industry: Sales & Marketing
Individual client
Registered: Sep 9, 2025
United States
Red Lion
14:46
3
We are seeking a skilled professional to design and implement automation and AI systems tailored for our business and our clients. The ideal candidate will have experience in streamlining processes, integrating AI tools, and enhancing operational efficiency. You will be responsible for understanding client needs and creating effective solutions that drive productivity and growth. If you have a passion for technology and a knack for problem-solving, we want to hear from you!
Have a clear layered architecture
Include i18n from the start (Spanish/English)
Handle authentication, authorization, and permissions
Define mandatory patterns for:
Data fetching
Error handling
Form validation
Include a reusable base Design System
Mandatory technical requirements (non-negotiable)
Each archetype must include:
Locally compileable and executable code
Clear README with instructions
Standard handling of:
Errors
Structured logging with correlation ID
Auditing
Permission-based security (not hardcoded roles)
Strict business validations
Defined concurrency strategy
Baseline observability (health, metrics)
Database migrations (Flyway or Liquibase)
---
Guardrails and Quality
The architect must:
Implement automated architecture tests to protect layers and modules.
Configure CI/CD to:
run tests
validate architecture
block merges if standards are broken.
The architecture must be self-defending and not depend on manual reviews.
---
Infrastructure
The following must be delivered:
Terraform foundation
Kubernetes foundation manifests
Environment separation (dev/stage/prod)
Functional CI/CD
Secret management strategy
---
Required Documentation
All documentation must be linked to the code:
Architectural Decisions (ADRs)
C4 diagrams aligned to the repository
Developer contribution guide
Prohibited anti-patterns
Technical checklist for pull requests
---
Knowledge Transfer
The architect will be responsible for:
Performing a technical handover
Explaining how to create new modules/services using the archetypes
Providing reusable documentation
Supporting the first sprints if necessary
---
Mandatory Requirements
Applications that do not meet these requirements will not be considered.
Minimum Experience
Minimum 12 years of professional experience in Software Development
Minimum 10 years as a Software Architect / Solution Architect
Have led at least 8 enterprise projects in production**
Proven technical experience
Backend
* Java 17+ (ideally Java 21)
* Spring Boot in production
* True DDD and Hexagonal Architecture
* Modular Monoliths
* High-concurrency Microservices
* Security (JWT, permissions, auditing)
Frontend
* React in large projects
* Next.js (SSR/CSR)
* Scalable frontend architecture
* i18n and permission control
Infrastructure
* Kubernetes in production
* Terraform
* CI/CD
* Observability
---
Specific experience with archetypes (key)
The candidate must have:
* Designed corporate archetypes or templates
Fixed budget:
1,000 USD
3 hours ago
Client's recent history (4 works)
We need a lawyer to draft terms and conditions, policies
To freelancer:
3.95
Siempre digo a todos las personas. Todo trabajo se debe prestar con excelencia. Leonardo fue un buen profesional; sin em…Siempre digo a todos las personas. Todo trabajo se debe prestar con excelencia. Leonardo fue un buen profesional; sin embargo, falto un toque para llegar a la excelencia. Después todo ok
To client:
5
Recomiendo trabajar con Miguel, siempre disponible y una persona muy comprometida con sus actividades. Agradecido por la…Recomiendo trabajar con Miguel, siempre disponible y una persona muy comprometida con sus actividades. Agradecido por la experiencia.
May 2024 - Jan 2025 FIXED $40.00
We are looking for a programmer engineer with a lot of verifiable experience in developing
To freelancer:
3
ok
May 2024 - Jan 2025 FIXED $10.00
Necesitamos alguien que pueda migrar un sitio web de un servidor x a otro.
To freelancer:
5
Apr 2023 - May 2024 FIXED $20.00
Necesitamos un diseñador gráfico que hable español para realizar un logotipo
To freelancer:
4
Hizo bien su trabajo. Es comprensible. Hizo bien su trabajo.
To client:
5
Mike likes to maintain a good communication, he is very clear on his requirements and very professional.
Salesforce Development for Custom Workflow and Price Uploads
Applied
$15 - $40
/ hr
3 hours ago
Client Rank
- Excellent
Payment method verified
$37 903 total spent
27 hires, 1 active
38 jobs posted
71% hire rate,
1 open job
22.94 /hr avg hourly rate paid
1 431 hours paid
4.82
of 28 reviews
Registered: Jun 3, 2014
United States
Phoenix
12:46
5
We are seeking a skilled Salesforce developer to create custom workflows and facilitate price uploads within our Salesforce environment. The ideal candidate will possess a strong understanding of Salesforce development principles and be able to implement tailored solutions that meet our business needs. We need someone who is certified Platform Developer and has a strong track record of successful projects. If you have experience with Salesforce customization and can deliver high-quality work on time, we want to hear from you!
Client's questions:
Please list any certifications related to this project
Mar 2023 - Aug 2023 120 hrs @ $52.50/hr Billed: $6,326.25
Create permissions for users and prices changes
No feedback given
Jan 2015 - Mar 2023 607 hrs @ $22.79/hr Billed: $13,841.63
Sales Force
To freelancer:
5
To client:
5
Mar 2023 - Mar 2023 6 hrs @ $42.00/hr Billed: $252.00
Media Specialist , Meta Business Manager and Social Media manager
To freelancer:
5
To client:
5
Jun 2022 - Aug 2022 150 hrs @ $12.60/hr Billed: $1,887.90
Digital marketing manager, /virtual add.. Social media , and organic SEO
To freelancer:
5
To client:
5
Best client to working with, who is well communicative, good understanding and good availability. I am looking forward t…Best client to working with, who is well communicative, good understanding and good availability. I am looking forward to the next opportunity. Thanks again
May 2022 - Jun 2022 58 hrs @ $12.60/hr Billed: $730.80
Digital marketing manager, /virtual add.. Social media , and organic SEO
Meta business manager /ig adds etc please send me samples
To freelancer:
5
To client:
2.4
Mar 2022 - Apr 2022 FIXED $500.00
website editing
No feedback given
To client:
5
Another successful job with this lovely client :)
Mar 2022 - Apr 2022 FIXED $100.00
I am looking for Shopify expert with Sourcing and logistics expert
To freelancer:
5
To client:
5
Pinar has a lot of enthusiasm and is very passionate about her business. Thank you!
Feb 2022 - Mar 2022 FIXED $1,397.00
You will get modern ecommerce, shopify logo for your online business
To freelancer:
5
Thank you
To client:
5
it was a great experience
Feb 2022 - Feb 2022 FIXED $50.00
Business Plan/ with detail business Future Analysis
To freelancer:
5
To client:
5
A fantastic client who communicates efficiently and has transparent, clear expectations and is extremely responsive. Wil…A fantastic client who communicates efficiently and has transparent, clear expectations and is extremely responsive. Will be a pleasure to work with again.
Feb 2021 - Mar 2021 FIXED $200.00
Marketing consultant for Data Forestry.com
To freelancer:
5
need something different ...thanks for the work
To client:
1
Oct 2019 - May 2020 44 hrs @ $6.00/hr Billed: $262.00
DATA Forestry Website
To freelancer:
5
Teq Mavens is great company to work with
To client:
5
Thanks for the opportunity.
Feb 2019 - Jun 2019 194 hrs @ $20.00/hr Billed: $3,876.66
Turnkey drop shipping website that will be fully automated
To freelancer:
1
Please stay away from him, I will not go into detail because I feel it is not an appropriate thing to go into details he…Please stay away from him, I will not go into detail because I feel it is not an appropriate thing to go into details here what he did, but I will tell you this much he will not deliver.
To client:
1.6
I would not take another job from this client. After being accused of stealing time. Working around 14 hours for free …I would not take another job from this client. After being accused of stealing time. Working around 14 hours for free and having to find sources for her products. It is obvious to me that there is a large lack of understanding in what a web developer does. I was expected to set the entire company up and develop the site within 20 hours. When she originonally came to me with just an Idea, no products or content.
Pinar and DSS in general were great to work with. They communicated really well, provided really interesting work, had a…Pinar and DSS in general were great to work with. They communicated really well, provided really interesting work, had a clear understanding of what they wanted and encouraged self-improvement. They invest time into both their work and the people that they work with. It has been a pleasure to work with them.
May 2016 - Sep 2016 FIXED $1,111.00
Scientific Website Blog Writer
To freelancer:
5
Thanks Adam!
May 2016 - May 2016 FIXED $50.00
Scientific Website Blog Writer
To freelancer:
5
Thank you very much!! Great Work
To client:
4.2
Client is new to Upwork and did not fully understand the importance of full communication of job requirements. It becam…Client is new to Upwork and did not fully understand the importance of full communication of job requirements. It became apparent that my skills and approach are not suitable for this job. But client learns quickly and has a very positive attitude, and I expect that future contractors will not face the issues that I did.
May 2016 - May 2016 2 hrs @ $20.00/hr Billed: $40.00
I need an excel sheet (list of cities ) of Norther California divided into two section by Highway 92
To freelancer:
5
Thank you for great job
To client:
5
I would love to do projects for again!
Apr 2016 - Apr 2016 FIXED $60.00
Business Plan Writer
To freelancer:
5
She is well organized and detailed oriented ! Thank you again.
To client:
5
Feb 2016 - Mar 2016 11 hrs @ $61.02/hr Billed: $661.08
Business Plan Writer
To freelancer:
5
I will definitely will work with Nelly again! She is very detail oriented professional!
To client:
5
Pinar was very knowledgeable about her business and has a great passion for her project, very responsive and would work …Pinar was very knowledgeable about her business and has a great passion for her project, very responsive and would work with her again.
Feb 2016 - Feb 2016 FIXED $50.00
SEO website development
No feedback given
Oct 2015 - Feb 2016 43 hrs @ $5.56/hr Billed: $239.08
Sales Force Email Template Custom with HTML code insert
To freelancer:
5
thank you again
To client:
5
Great client to work with! I had a great experience. The client is very cooperative and provided a clear instructions wh…Great client to work with! I had a great experience. The client is very cooperative and provided a clear instructions which I need to implement business requirement. I’d like to work with her again.
Thank you ... !
Dec 2014 - Jan 2015 13 hrs @ $22.22/hr Billed: $288.86
Search Opportunity record Using Ajax Request in Salesforce with Accounts list export
To freelancer:
5
To client:
5
Great Client.I will work again.
Thanks
Nov 2014 - Nov 2014 8 hrs @ $11.34/hr Billed: $92.58
Custom Managed Package Set up
To freelancer:
5
Rajendra completed work on time. He is a great Sales Force administrator! He also will answer any of your questions alon…Rajendra completed work on time. He is a great Sales Force administrator! He also will answer any of your questions along the way as well.
To client:
5
Clear with instructions. Recommended client.
Thanks
Nov 2014 - Nov 2014 6 hrs @ $22.22/hr Billed: $133.32
Create Managed Package for Quote Generation In Salesforce
To freelancer:
5
Thank you again, Rajendra you make my life easier..!
To client:
5
BEST CLIENT, I would work with you again again !
Thanks
Nov 2014 - Nov 2014 15 hrs @ $13.33/hr Billed: $199.98
Sal
To freelancer:
5
thank you so much
To client:
5
It was a great time to work with Pinar, really a awesome client and I enjoyed working with her and hope to have the oppo…It was a great time to work with Pinar, really a awesome client and I enjoyed working with her and hope to have the opportunity to work with her again.
Very responsive, very professional and highly recommended.
Thanks Again :)
Oct 2014 - Nov 2014 5 hrs @ $26.62/hr Billed: $133.10
Sales Force Initial Settings /and Quick Books integration
To freelancer:
5
Muhammed did excellent job! I am hiring him again for the second job. Thank you Muhammed!
To client:
5
Pinar is wonderful and honest client. She provided me all info for the project and helped me every steps. Will be glad t…Pinar is wonderful and honest client. She provided me all info for the project and helped me every steps. Will be glad to work with her again.
Motion Program Setup and Workflow Automation Expert Needed
Applied
$20 - $40
/ hr
3 hours ago
Client Rank
- Risky
Payment method not verified
Phone number verified
1 open job
Industry: Health & Fitness
Company size: 2
United States
13:46
1
We are looking for an experienced professional to assist us in setting up the Motion program. Your expertise will help us establish efficient workflows, integrate necessary tools, and automate tasks effectively. The ideal candidate will have a strong background in project management software and task prioritization. If you have a knack for streamlining processes and optimizing productivity, we want to hear from you!
Comprehensive Processing Program Development
Applied
$80
3 hours ago
Client Rank
- Medium
Payment method verified
Phone number verified
$506 total spent
10 hires, 5 active
95 jobs posted
11% hire rate,
8 open job
5.00
of 4 reviews
Registered: Nov 5, 2025
South Africa
Cape Town
21:46
3
I'm looking for an advanced processing program tailored for my technical department. The primary goal of this program is to improve efficiency, automate tasks, and enhance data accuracy.
Key Requirements:
- Handle complex data analysis, image processing, and simulation modeling tasks.
- Include functionalities like data validation, report generation, and automated notifications.
- Automate and streamline full department functions.
Ideal Skills and Experience:
- Expertise in data processing and automation tools.
- Strong programming skills (Python, R, etc.).
- Experience with developing comprehensive processing solutions for technical departments.
- Ability to understand and integrate complex workflows.
He did an amazing job, and I’m really happy with how my project turned out. He was professional, easy to communicate wit…He did an amazing job, and I’m really happy with how my project turned out. He was professional, easy to communicate with, and overall great to work with. He’s my go-to graphic designer, and I highly recommend him.
To client:
5
Melissa is a fantastic client to work with.
She provided clear direction, thoughtful feedback, and excellent communicati…Melissa is a fantastic client to work with.
She provided clear direction, thoughtful feedback, and excellent communication throughout the project. She knows exactly what she wants, respects the creative process, and is highly organised. Payments were prompt, and the collaboration was smooth from start to finish. I’d be more than happy to work with her again and highly recommend her to other freelancers.
Nov 2025 - Jan 2026 FIXED $176.00
Affiliate Brand Brief: IGNITE Gummies
To freelancer:
5
Excellent work as always. This was my second time hiring her, and once again she delivered high-quality results. Reliabl…Excellent work as always. This was my second time hiring her, and once again she delivered high-quality results. Reliable, professional, and great attention to detail. I would happily work with them again.
To client:
5
Excellent
Jan 2026 - Jan 2026 FIXED $5.00
Truck Driving manifesto
To freelancer:
5
I'm really happy how my project turned out he did an excellent job! Would highly recommend!
To client:
5
Dec 2025 - Jan 2026 FIXED $100.00
Brand-Compliant PDF eBook Design
To freelancer:
5
She did an excellent job and understood the task perfectly. The work was completed quickly and efficiently. I would high…She did an excellent job and understood the task perfectly. The work was completed quickly and efficiently. I would highly recommend her for your next project!
We are seeking a skilled freelancer to assist in reverse engineering an APK for the purpose of cracking its HTTP request authentication method. The ideal candidate will have a strong background in mobile application security and the ability to analyze and modify APK files effectively. You will be responsible for identifying vulnerabilities and providing insights on bypassing authentication mechanisms. A solid understanding of Java and network protocols is essential. If you have a passion for security and a proven track record in similar projects, we would love to hear from you!
Fixed budget:
500 USD
3 hours ago
Client's recent history (6 works)
API Server
No feedback given
To client:
5
Jun 2022 - Jan 2023 FIXED $150.00
Web app for data storing and analyzing
To freelancer:
5
Had Really great experience with Mr.Ferhat.
He was always available to communicate with, a great listener, adviser and w…Had Really great experience with Mr.Ferhat.
He was always available to communicate with, a great listener, adviser and was very easy to make him understand the way I wanted my project to be.
He was really kind he accept some modifications after the project delivery. The project works like charms without any bugs so far. I really recommend him, especially for your web projects.
To client:
5
He is an excellent client to work with. He always explains every detail in the contract so this makes it really easy to …He is an excellent client to work with. He always explains every detail in the contract so this makes it really easy to work. He is really good at giving feedback about the project. I hope to work with him again in the future.
Feb 2022 - Feb 2022 FIXED $200.00
Android APK reverse engineering
No feedback given
To client:
5
May 2021 - Oct 2021 FIXED $251.00
Web Scraping
To freelancer:
3
To client:
2.8
We started at a good point and I delivered the initial version but then he disappeared for 2 weeks and when he came back…We started at a good point and I delivered the initial version but then he disappeared for 2 weeks and when he came back he ended the contract without any proper communication.
Aug 2021 - Aug 2021 FIXED $175.00
Reverse engineering android app getting api and cracking it
No feedback given
To client:
3.8
small project
Mar 2021 - Jun 2021 6 hrs @ $30.00/hr Billed: $185.00
Coding Tutor for Beginner to Intermediate Level
Applied
$15 - $25
/ hr
4 hours ago
Client Rank
- Excellent
Payment method verified
$145 936 total spent
52 hires, 16 active
69 jobs posted
75% hire rate,
1 open job
25.41 /hr avg hourly rate paid
5 438 hours paid
4.94
of 35 reviews
Individual client
Registered: Oct 5, 2018
United States
Brookline
16:46
5
We are seeking an experienced coding tutor to teach our son advanced concepts and practical applications in programming. He has a foundational knowledge of JAVA and HTML, and we would like to expand his skills further. The ideal candidate should have a passion for teaching and be able to make learning coding enjoyable and engaging. Flexible hours and personalized lesson plans are a must. If you have a background in programming education and a knack for simplifying complex ideas, we would love to hear from you!
Nov 2025 - Jan 2026 5 hrs @ $25.93/hr Billed: $138.27
Writing Mural Design
No feedback given
To client:
5
Aug 2024 - Dec 2025 11 hrs @ $16.70/hr Billed: $175.37
Content Writer for Website
To freelancer:
5
To client:
5
Aug 2024 - Aug 2025 30 hrs @ $47.66/hr Billed: $1,437.73
Brand Expert for new business
No feedback given
To client:
5
Fantastic experience in crossing the bridge from brand strategy to activation and performance. Thank you. Animo!
Aug 2024 - Jan 2025 147 hrs @ $78.82/hr Billed: $11,560.00
HTML to OFT Email Build
To freelancer:
5
Mar 2021 - Aug 2024 FIXED $1,370.00
Data Cleanup
To freelancer:
3.7
To client:
3
Mar 2024 - Aug 2024 1 hrs @ $8.20/hr Billed: $8.20
Help Reading Dimensions on Building Blueprint
To freelancer:
5
Excellent and efficient.
To client:
5
It was such a pleasure to work with Iraj!My best recommndations!Thank you
Aug 2024 - Aug 2024 2 hrs @ $38.16/hr Billed: $57.24
Need help with a Salesforce Flow
No feedback given
May 2023 - Jan 2024 815 hrs @ $29.40/hr Billed: $23,954.15
Tax Advice
No feedback given
To client:
3.35
Iraj was largely a pleasant person to work with.
The contract ended due to a communication and future contract finaliza…Iraj was largely a pleasant person to work with.
The contract ended due to a communication and future contract finalization issue.
Feb 2023 - Feb 2023 10 hrs @ $21.00/hr Billed: $210.00
HubSpot Email Domain Transfer to New Marketo Instance
To freelancer:
5
Rahul is great to work with it! He always delivers before the deadline and does quality work. I look forward to working …Rahul is great to work with it! He always delivers before the deadline and does quality work. I look forward to working with Rahul on future project.
To client:
5
Its great working with Mr. Iraj. He is very professional with work enviornment. He is available all 7 days in week. I wa…Its great working with Mr. Iraj. He is very professional with work enviornment. He is available all 7 days in week. I was enjoy working with him in over the period of 2 years.
I wish to continue work with him again. Thank you Iraj.
Dec 2020 - Oct 2022 499 hrs @ $28.98/hr Billed: $14,471.37
He is the best person to work with. Very clear with communication and very easy to work on with. I enjoyed working with …He is the best person to work with. Very clear with communication and very easy to work on with. I enjoyed working with him
Jan 2022 - Feb 2022 8 hrs @ $12.50/hr Billed: $100.00
Marketo was new to me but Iraj made it sure that i get good time to understand the flow. I would love to work with him a…Marketo was new to me but Iraj made it sure that i get good time to understand the flow. I would love to work with him again. Looking forward for the same.
Feb 2021 - Jun 2021 3 hrs @ $40.00/hr Billed: $100.00
Hubspot Contacts Notes into Web Application (Integration API Module)
To freelancer:
5
Rahul is great at what he does. I really enjoyed working with him. He delivers on time and delivers quality work. Lookin…Rahul is great at what he does. I really enjoyed working with him. He delivers on time and delivers quality work. Looking forward to working with him again!
To client:
5
Its really nice to work with Mr. Iraj, He has Expertise into Marketing Campaign. I am really wants to work with him in t…Its really nice to work with Mr. Iraj, He has Expertise into Marketing Campaign. I am really wants to work with him in the future.
Jan 2021 - Mar 2021 38 hrs @ $28.50/hr Billed: $1,078.25
HTML to OFT Email Build
No feedback given
To client:
5
Nice project with Iraj :)
Dec 2020 - Feb 2021 3 hrs @ $25.00/hr Billed: $62.50
Urgent: Salesforce Process Builder Builder Help
To freelancer:
5
To client:
5
Jan 2021 - Feb 2021 2 hrs @ $30.00/hr Billed: $45.00
URGENT: Marketo Email Design Fix
To freelancer:
5
Excellent work - needed something fixed at the last moment and he fixed it!! Looking forward to working with him in the …Excellent work - needed something fixed at the last moment and he fixed it!! Looking forward to working with him in the future.
To client:
5
Fantastic Client! Excellent communication and gave clear instructions. Thank you so much for letting me be part of your …Fantastic Client! Excellent communication and gave clear instructions. Thank you so much for letting me be part of your project, and I hope we can work together in the future.
Sep 2020 - Sep 2020 FIXED $40.00
Database/SQL Tutor
To freelancer:
5
Aamir was great to work with. He was very responsive whenever I needed help.
To client:
5
Jun 2020 - Aug 2020 43 hrs @ $19.99/hr Billed: $859.57
Database/SQL Tutor
To freelancer:
5
To client:
5
Working with Iraj was easy. Open communication, clear requirements, always available for additional questions.
May 2020 - Jun 2020 2 hrs @ $30.00/hr Billed: $60.00
FinancialForce Setup - Transfer from Quickbooks
No feedback given
To client:
5
Excellent client to work with.
Aug 2019 - Feb 2020 28 hrs @ $25.00/hr Billed: $687.50
Paper Review
To freelancer:
5
To client:
5
Excellent as usual, thanks Iraj.
Oct 2019 - Oct 2019 FIXED $40.00
Google SSO via SAML for Salesforce
To freelancer:
5
It was a pleasure to work with Narendra. Narendra solved an issue which four other freelancers here couldn't. I look for…It was a pleasure to work with Narendra. Narendra solved an issue which four other freelancers here couldn't. I look forward to working with him in the future.
Google Play Store Submission & Publishing Support for Android App
Applied
$25
4 hours ago
Client Rank
- Medium
Payment method verified
Phone number verified
2 jobs posted
100% hire rate,
1 open job
no reviews
Registered: Nov 19, 2025
United States
Missouri City
13:46
3
I’m looking for an experienced freelancer to assist with preparing and publishing my existing Android app to the Google Play Store. The app is already built and live on the Apple App Store. I need help ensuring the Google Play Console setup, compliance, assets, and submission process are completed correctly and efficiently. This is a support and guidance role, not full app development.
What’s Already Done
App is complete and approved on the Apple App Store
Android build exists (or will be provided)
Privacy Policy is already written
Branding and screenshots are available or nearly ready
Client's questions:
Required Experience:1
Proven experience publishing apps on Google Play Store
Familiarity with Google Play Console
Understanding of Play Store compliance and policy requirements
Clear communication and ability to explain steps as we go
Describe your recent experience with similar projects
Please list any certifications related to this project
Fixed budget:
25 USD
4 hours ago
Client's recent history (1 work)
App Store Compliance Editor Needed
To freelancer:
5
To client:
5
I enjoyed working on this project. All expectations and requirements were communicated up front and the client was respo…I enjoyed working on this project. All expectations and requirements were communicated up front and the client was responsive to any of my requests for clarification. I liked working with him and hope to have the opportunity to work with him again.
Active Mq is failing. Need help to fix and work as is.
Fixed budget:
60 USD
4 hours ago
Client's recent history (15 works)
Javascript fix
To freelancer:
5
To client:
5
Great client to work with! Clear communication and provided all the necessary details to resolve the issue. Payment was …Great client to work with! Clear communication and provided all the necessary details to resolve the issue. Payment was prompt and the project went smoothly. Would be happy to work together again in the future.
Dec 2025 - Dec 2025
Rest api call 500 error
To freelancer:
5
To client:
5
It was a great experience working with this client. Clear communication, prompt feedback, and smooth collaboration throu…It was a great experience working with this client. Clear communication, prompt feedback, and smooth collaboration throughout the project. Would be happy to work together again in the future!
May 2025 - Jun 2025 FIXED $40.00
Optimize spring batch sql and run
No feedback given
Dec 2024 - Dec 2024
Javascript help needed for website development
To freelancer:
5
To client:
5
Would like to thank Manoj, for giving an opportunity to work with him on this task. Was great client with clear requirem…Would like to thank Manoj, for giving an opportunity to work with him on this task. Was great client with clear requirements and communication and has provided great support through out the process. Will be looking forward to work with him in the future.
May 2024 - Nov 2024 FIXED $60.00
Resolve Maven Issues in my local workspace - Mac, Intellij
To freelancer:
5
He was knowledgable, fast and dedicated to task, highly recommend.
To client:
5
Hello,
Kumar explained very well the need and was pleasant to work with him
Jul 2022 - Jul 2022 FIXED $50.00
Java assignment(algorithms, coding in java and javascript)
To freelancer:
5
Dec 2020 - Feb 2022 FIXED $10.00
Web page help
To freelancer:
5
Dec 2021 - Feb 2022 FIXED $40.00
IBM Websphere Server and Profile setup
No feedback given
To client:
5
Manoj, very patient and on time with meeting and payment..
i love to continue work with you
Nov 2021 - Nov 2021 FIXED $30.00
Web page help
No feedback given
To client:
3.5
Jun 2021 - Oct 2021 FIXED $20.00
Java and DB setup in Macbook
To freelancer:
5
He is fast and good at work, liked his abilities, will work with him in future.
To client:
5
Manoj was an excellent client. 100% recommend
Jan 2020 - Jan 2020 FIXED $15.00
Wifi not working in laptop
To freelancer:
5
To client:
5
Great!
Dec 2018 - Dec 2018 FIXED $10.00
Resume editing
To freelancer:
5
To client:
5
Wonderful client. Solid expectations. I look forward to working with this client again and again!
Full Stack Mobile Developer Needed for Project Enhancement
Applied
$5 - $20
/ hr
5 hours ago
Client Rank
- Medium
Payment method verified
Phone number verified
$96 total spent
2 hires
2 jobs posted
100% hire rate,
1 open job
5.00
of 2 reviews
Industry: Media & Entertainment
Company size: 2
Registered: Aug 3, 2025
India
Bangalore
01:16
3
We are seeking a talented full stack mobile developer to enhance our existing project. The ideal candidate should have experience in Flutter for mobile app development, Firebase for backend integration, and proficiency in React and Java for backend functionalities. For database we are using Postgres. Your role will involve improving app features, ensuring seamless user experience, and collaborating with our team to implement innovative solutions. If you're passionate about mobile development and have a keen eye for detail, we want to hear from you!
Hourly rate:
5 - 20 USD
5 hours ago
Client's recent history (2 works)
Backend Developer for Website Enhancements
To freelancer:
5
To client:
5
Nice to work with him.
Dec 2025 - Jan 2026 FIXED $50.00
Front-End Web Developer for Web App Project
To freelancer:
5
Great experience working with him! He handled the front-end and parts of the backend with solid proficiency and delivere…Great experience working with him! He handled the front-end and parts of the backend with solid proficiency and delivered quality work. Very responsive, knowledgeable, and easy to work with — highly recommended.
To client:
5
Working with Sparsh was a great experience. He’s very professional, communicates clearly, and provides timely feedback. …Working with Sparsh was a great experience. He’s very professional, communicates clearly, and provides timely feedback. The project went smoothly from start to finish, Highly recommended client!
We are looking for a mid–senior PHP Symfony developer to contribute to an environmental research platform on a part-time basis (4–8 hours per day), combining ongoing system maintenance with new feature development.
We are developing and maintaining a long-term environmental research and sustainability platform used to support data analysis, scenario evaluation, and impact assessment in aviation.
The project combines:
• Ongoing maintenance and evolution of an existing production system
• New feature development driven by research and innovation needs
This is a serious engineering project, not a short-lived product or CMS-based website.
What you’ll work on
• Maintain and improve existing Symfony-based backend services
• Design and implement new features and APIs for research and analytical workflows
• Refactor and modernize legacy components where needed
• Work with structured and semi-structured environmental data
• Ensure stability, performance, and security of production systems
• Collaborate with backend developers (Java & C++), data engineers, and domain experts
• Participate in code reviews and technical decision-making.
Must have
Location: Romania / Moldova
Client's questions:
Describe your recent experience with similar projects
Hourly rate:
25 - 35 USD
6 hours ago
Client's recent history (4 works)
EAN and Price Data scraping
To freelancer:
5
It was a pleasure working with Muhammad. Fast & great communication skills. I will recomend him in the future.
To client:
5
Feb 2022 - Apr 2022 FIXED $25.00
Create Gif from 2 images
To freelancer:
5
Great job. I will work with Kseniia again :)
To client:
5
Great client! He quickly responds to messages, active communication and support with questions about project.
Feb 2020 - Feb 2020 FIXED $5.00
Add Webview cache for Android app
To freelancer:
5
To client:
5
clear requirement and good working!
Oct 2019 - Oct 2019 FIXED $20.00
Web crawler (olx & mobile.de)
To freelancer:
5
Perfect Job:D
To client:
5
I was impressed by really good job description and quick communication! Thank you!
Backend Engineer (Java Spring + Web Scraping)
Applied
$20 - $25
/ hr
6 hours ago
Client Rank
- Risky
Payment method not verified
Phone number verified
1 open job
no reviews
Registered: Jan 28, 2026
United States
13:46
1
We are looking for a backend specialist in LATAM to help us rapidly scale the golf course offerings for our fast-growing platform. You will work directly with our CTO and founding engineering team to architect robust scraping solutions and modernize our authentication flows. This is a high-impact contract role with the potential for long-term engagement.
Android Developer for OS-Specific Bug Fixes & Optimization
Applied
$30
6 hours ago
Client Rank
- Excellent
Payment method verified
$1 109 total spent
28 hires, 1 active
35 jobs posted
80% hire rate,
1 open job
4.93
of 23 reviews
Registered: Dec 3, 2020
Indonesia
Jakarta Utara
19:46
5
We are seeking an experienced Android developer to resolve specific compatibility issues that have emerged after upgrading devices to Android 14 (HyperOS / MagicOS). The APK was previously stable on Android 13 (MIUI 14, SDK target 34) but now encounters critical failures on newer OS versions. The goal is to fix these bugs and ensure the app runs smoothly on both legacy and updated Android environments.
Key Issues to Solve
1. Pinned/Kiosk Mode Crash
The app’s kiosk/pinned feature crashes immediately or behaves unpredictably on Android 14/HyperOS/MagicOS.
2. Watch Lock / Sleep Screen Crash
Feature responsible for keeping the screen awake or managing sleep states crashes on new OS.
3. Bluetooth Background Service Force Close
Bluetooth processes running in the background are being terminated by the system on Android 14.
Client's questions:
Please note examples of similar Android OS compatibility fixes you’ve worked on
Proposed approach to diagnosing and resolving these specific issues
Great delivery with creative and breakthrough problem solving!
To client:
5
Very Great Experince with this Client. Highly Recomended.
Nov 2025 - Dec 2025
Web Developer for Two-Domain Test Management System
To freelancer:
5
Good delivery
To client:
5
Nice Cooperation
Aug 2025 - Sep 2025 FIXED $50.00
PCB Design (ESP32 + Promini)
To freelancer:
5
It was a pleasure working with Srinatha. Their technical skills are good, and quickly understood the requirements of the…It was a pleasure working with Srinatha. Their technical skills are good, and quickly understood the requirements of the project. What impressed me the most was their excellent time management—everything was delivered on schedule without compromising quality. Communication was smooth and consistent throughout the process. Highly recommended, and I look forward to working together again in the future!
To client:
5
A pleasure to work with Anushka! She provided clear goals, fast feedback, and made process easy. Highly professional and…A pleasure to work with Anushka! She provided clear goals, fast feedback, and made process easy. Highly professional and respectful—No micromanagement. Would gladly collaborate again.
Apr 2025 - May 2025 FIXED $51.50
You will get 20 Active testers for 14 days of android app closed testing|Google Play
To freelancer:
5
I wanted to take a moment to thank you for the outstanding work you did on Google Play App Publish. Your expertise, atte…I wanted to take a moment to thank you for the outstanding work you did on Google Play App Publish. Your expertise, attention to detail, and commitment to quality were evident in every aspect of the project.
From the initial planning stages through to the final deliverables, you consistently demonstrated a high level of professionalism and skill. Your ability to understand our requirements and translate them into exceptional results was impressive.
Communication was always prompt and clear, making it easy to collaborate and ensure that we were always on the same page. Your proactive approach and willingness to go the extra mile were greatly appreciated.
I am extremely satisfied with the work you delivered and would not hesitate to recommend you to others. I look forward to the opportunity to work with you again on future projects.
To client:
5
Jun 2024 - Jun 2024
Optimizing ESP32 Firebase Realtime Database Code
To freelancer:
5
Serhii's understanding of the project requirements and willingness to collaborate made the entire process efficient and …Serhii's understanding of the project requirements and willingness to collaborate made the entire process efficient and productive. Your valuable input and insights greatly contributed to the project's success.
To client:
5
Anushka was extremely helpful and friendly
Apr 2024 - Apr 2024
Optimize ESP32-Realtime Database (Firebase) Code
To freelancer:
5
Fast and proper work with Dasarth, will likely looking forward to have a collaboration again
To client:
5
Jan 2024 - Jan 2024 FIXED $20.50
Integrating ESP32-Firebase and Simple App
To freelancer:
5
Waleed was work well and fast learner for dynamic problem. We hope to collaborate again in the future
To client:
5
Exceptional Client provided clear goals and flexible timeline. Looking forward to future collaborations.
Nov 2023 - Dec 2023 FIXED $20.25
Data Scraping - from complex Websites to Excel data
To freelancer:
5
Worked very quickly, and the explanation was clear and the response was fast
To client:
5
Sep 2023 - Oct 2023 FIXED $8.00
Optimizing Messenger Application
To freelancer:
5
Thank you once again for your exceptional work as a freelancer for our project. We look forward to the possibility of co…Thank you once again for your exceptional work as a freelancer for our project. We look forward to the possibility of collaborating with you on future projects and continuing to benefit from your expertise and commitment.
To client:
5
Working with Anushka has always been great.
Sep 2023 - Oct 2023 FIXED $41.00
Sorting Data Spreadsheet
To freelancer:
5
Good skills and fast adaptable
To client:
5
Working with YI Technology Dev was an absolute pleasure. Their exceptional responsiveness and unwavering trust in my abi…Working with YI Technology Dev was an absolute pleasure. Their exceptional responsiveness and unwavering trust in my abilities made this collaboration a standout experience. YI Technology Dev was my first client on Upwork, and I hope to work with them again in the future.
Sep 2023 - Sep 2023 FIXED $5.00
You will get bug fix in native android application
To freelancer:
5
I need to improve the application with additional features. and it was done quickly and according to my expectations, an…I need to improve the application with additional features. and it was done quickly and according to my expectations, and fixed bugs in the application when they appeared. Very fast response and very good skills
To client:
5
Once again, I am glad to work with Anushka. Communication and cooperation was best, Will be waiting for new project from…Once again, I am glad to work with Anushka. Communication and cooperation was best, Will be waiting for new project from her.
Sep 2023 - Sep 2023 FIXED $10.00
Exporting Firestore Database to Google Spreadsheet
To freelancer:
5
Good communication and excellent work
To client:
5
Great client loved to wrok him
Sep 2023 - Sep 2023 FIXED $25.50
Android app - insert CSV data into the app
To freelancer:
5
Very proficient and professional in work, and can complete the job quickly and accordingly. I am sure that those of you …Very proficient and professional in work, and can complete the job quickly and accordingly. I am sure that those of you who will work with Dhaval are very happy and helped
To client:
5
One of nice client to work with, Calm and understands what is possible and what can not be done.
Will work with her agai…One of nice client to work with, Calm and understands what is possible and what can not be done.
Will work with her again.
Jul 2023 - Aug 2023 FIXED $50.00
Data Scraping - from complex Websites to Excel data
No feedback given
To client:
5
Working with Anushka was great, her requirements was clear and was available most of the time. I liked working with her…Working with Anushka was great, her requirements was clear and was available most of the time. I liked working with her and hope to have the opportunity to work with her again.
Jul 2023 - Jul 2023 FIXED $5.00
Firebase Enhancement for Messenger
To freelancer:
4.85
Jahnical work has consistently exceeded expectations, and his commitment to excellence has contributed significantly to …Jahnical work has consistently exceeded expectations, and his commitment to excellence has contributed significantly to our project's success. Jahnical professionalism and positive attitude have also been a great asset to the entire project, and I appreciate your willingness to lend a helping hand whenever needed.
To client:
5
The experience was great, the task was a bit challenging but we managed to cooperate until it was done.
Jahnical was good at problem-solving, very fast, and well knowledgeable. I enjoyed working with Jahnical and will likely…Jahnical was good at problem-solving, very fast, and well knowledgeable. I enjoyed working with Jahnical and will likely have additional jobs for him in the future.
To client:
4.65
It was a great experience working with Anushka. He was cooperative, good communication and the requirements were clear.
Nov 2022 - Dec 2022 FIXED $192.50
arduino simple programming : improve time delay function in reading data from ultrasonic HC-SR04
No feedback given
To client:
4.7
Great to work for her.........
Jun 2021 - Jul 2021 FIXED $5.00
Encrypt-Decrypt for Android and Arduino
To freelancer:
5
Paresh delivered good work on this Android and Arduino development project and I enjoyed working with him. His communica…Paresh delivered good work on this Android and Arduino development project and I enjoyed working with him. His communication was well, he met all deadlines, and his skills were reasonably strong. At one point I asked for an additional milestone and he was very forthcoming that the additional work was outside the milestone. I enjoyed working with Paresh and recommended him in the future project
To client:
5
Client was very clear on the requirement. Communication was on point so, job finished fast and smooth.
Mar 2021 - Mar 2021 FIXED $20.00
Wordpress Integration with Google Sheet
To freelancer:
5
Fast learning and understand the details goal, really recommended
To client:
5
Good and very supportive client I recommend to work with her .I am very happy to work with him again.
Feb 2021 - Mar 2021 FIXED $50.00
Android App with Bluetooth Connection HC05 and Timer Count Down
To freelancer:
5
Really understanding person, and welcome to any feedback for his application. I would like to recommend Mohamed if you f…Really understanding person, and welcome to any feedback for his application. I would like to recommend Mohamed if you find an expertise Mechatronics engineer
To client:
5
Excellent cooperative client.
Jan 2021 - Jan 2021 FIXED $35.00
Turn on/off Led for x-minutes/hours from HC05 + Interrupt function to Stop the Led and Reset timer
To freelancer:
4.85
If you want the fast respond person, choose him
To client:
5
the requirement is clear, professional customers
Dec 2020 - Dec 2020 FIXED $15.00
Create android application read-write to google spreadsheet (android studio + g-sheet)
To freelancer:
5
Good guy and fast respond to take a revision
To client:
5
Really kind, co-operative and good communication. Cleared all the doubts very politely and was in constant touch. I woul…Really kind, co-operative and good communication. Cleared all the doubts very politely and was in constant touch. I would love to work again if I get an opportunity in future.
Base44 Development Support for System Transformation
Applied
$20 - $50
/ hr
6 hours ago
Client Rank
- Risky
Payment method verified
Phone number verified
$7 060 total spent
12 hires, 4 active
16 jobs posted
75% hire rate,
2 open job
24.95 /hr avg hourly rate paid
72 hours paid
2.62
of 7 reviews
Industry: Tech & IT
Company size: 2
Registered: Oct 2, 2024
United Kingdom
Witham
20:46
1
We are seeking a skilled developer to provide support in scaling our Base44 project from concept to a fully functional system of record. The ideal candidate will possess in-depth knowledge of Base44 frameworks and be able to implement robust solutions that ensure seamless data transformation and management. Your role will involve collaborating with our team to refine requirements, develop applications, and optimize existing systems. If you have a passion for innovative development and want to be part of a transformative project, we would love to hear from you.
Next.js & Node.js Developer Needed for Interactive Product Demo
To freelancer:
3
Reserved
To client:
1
The client was not clear about the requirements from the beginning. Midway through development, the scope kept changing …The client was not clear about the requirements from the beginning. Midway through development, the scope kept changing without proper planning.
The client also expressed dissatisfaction with the code and requested a third-party audit. The audit confirmed that our code was scalable and met the requirements; however, the cost of the audit was deducted from our payment.
The client’s communication was not professional. Inappropriate or censored language was used, which made collaboration uncomfortable.
Due to unclear requirements, frequent scope changes, and unprofessional communication, I do not recommend this client.
Sep 2025 - Jan 2026 FIXED $2,200.00
UK Legal Advice and Drafting Services Needed
To freelancer:
5
Really positive experience and can't recommend Issac highly enough
To client:
5
Dec 2025 - Dec 2025 FIXED $500.00
Figma UI/UX Designer for SaaS Proof of Concept
No feedback given
Sep 2025 - Dec 2025 FIXED $225.00
Marketing Material
No feedback given
To client:
5
Pleasure to working with you, Shaun :)
Sep 2025 - Oct 2025 FIXED $250.00
PowerPoint Deck Revision Expert Needed
No feedback given
To client:
5
Working with shaun is a great experienced. working with again in future. :)
Aug 2025 - Oct 2025 FIXED $300.00
Legal Drafting: Hybrid Oral and Skeleton Argument for UK Litigation
To freelancer:
1
To client:
1.45
Scope creep issue. The job was posted as a fixed $300 contract for a CPR skeleton argument + oral notes. I delivered exa…Scope creep issue. The job was posted as a fixed $300 contract for a CPR skeleton argument + oral notes. I delivered exactly that (skeleton v5 with exhibits & citations, oral script, annex, chronology, checklist). After delivery, the client shifted demands, asking for a 200+ page evidentiary brief with case law, which was never part of the agreed scope.
This pattern creates risk for freelancers — clear small-scope jobs are later expanded without additional pay. I recommend other freelancers clarify limits in writing before accepting, as scope manipulation may occur.
AI Application Debugging and Facebook Integration Fix
Applied
not specified
7 hours ago
Client Rank
- Risky
Payment method not verified
Phone number verified
1 open job
no reviews
Registered: Jan 22, 2026
United States
14:46
1
We are seeking a skilled developer to debug our AI-powered mobile application and ensure it functions smoothly for submission to the app store. The app features Facebook integration, which requires troubleshooting to ensure seamless user authentication and data sharing. The ideal candidate should have experience with AI applications and social media integrations. Your contributions will be critical in delivering a polished product ready for launch.
want to build an n8n workflow that pulls a niche from Google Sheets, uses AI to research the industry and identify key pain points, then generates educational and engagement content. The outputs include a social post + image, pitch email, and either a UGC video script or generated video.
All content assets will be saved to a Google Drive approval folder and I’ll receive a notification (Slack or Gmail). Once approved, the assets move to a final folder and are published to all social platform, and Substack (where supported), ideally with media and captions posted together.
The workflow will use my existing tools: Google Docs (knowledge base), Drive, AI models (ChatGPT, Gemini, Claude, etc.), image/video generation tools, and social schedulers (GoHighLevel, Publr, SocialChamps), with manual fallback only if full automation isn’t possible.
Fixed budget:
100 USD
7 hours ago
Client's recent history (50+ works)
Mobile App Stability & Issue Resolution (React Native)
To freelancer:
5
Thanks for the opportunity.
To client:
5
Jan 2026 - Jan 2026
Looking for Bookkeeper for Basic QuickBooks Cleanup & Bank Reconciliation
To freelancer:
5
We had an excellent experience working with Adnan Babar. As a team, they completed a full QuickBooks cleanup and bank re…We had an excellent experience working with Adnan Babar. As a team, they completed a full QuickBooks cleanup and bank reconciliation with great attention to detail, ensuring all transactions were accurate and properly categorized. Professional, efficient, and highly reliable—our books are now fully organized and ready for reporting. Highly recommended!
To client:
5
Had a very clear communication and concise understanding.
Jan 2026 - Jan 2026
Full-Stack Developer Needed – Company SaaS Tool (Chatbots + Data Reporting Automation)
To freelancer:
5
Osama is an excellent Full-Stack Developer with a proven ability to develop high quality applications. His skill level a…Osama is an excellent Full-Stack Developer with a proven ability to develop high quality applications. His skill level and is exceptional. Truly impressed. It was a pleasure reviewing Osama’s code and deliverables, and I was very satisfied with the final outcome of the project. Will hire him again 100%. Highly recommended.
To client:
5
Shannon was very knowledgeable and easy to work with.
Jan 2026 - Jan 2026
WordPress Website Development
To freelancer:
5
Excellent work, quick turnaround, and easy communication. Highly recommended.
To client:
5
Jan 2026 - Jan 2026 10 hrs @ $22.00/hr Billed: $219.99
Trustpilot reputation management
To freelancer:
5
Fast, professional, and high-quality work. I’m very satisfied.
To client:
4.85
Jan 2026 - Jan 2026
GoHighLevel Expert for AI Chatbot Workflow
To freelancer:
5
Maryam did an excellent job optimizing our GoHighLevel chatbot. She quickly reviewed the existing setup, improved the ch…Maryam did an excellent job optimizing our GoHighLevel chatbot. She quickly reviewed the existing setup, improved the chatbot logic, and ensured the flow worked exactly as intended. The communication was smooth, delivery was fast, and the results were exactly what I was hoping for. I would definitely recommend Maryam and would be happy to work with her again.
To client:
5
He is very clear about requirments
Jan 2026 - Jan 2026
Shopify Product Listing Specialist
To freelancer:
5
M. Ashraf Raza is a very hardworking and detail oriented. I truly appreciate the excellent work you have done on this pr…M. Ashraf Raza is a very hardworking and detail oriented. I truly appreciate the excellent work you have done on this project. Your dedication, attention to detail, and commitment to quality really stood out. You completed the task professionally and delivered everything exactly as required. I am very satisfied with your performance and look forward to working with you again in the future. Keep up the great work!
To client:
5
Jan 2026 - Jan 2026
Google Merchant Center Product Approval
To freelancer:
5
I worked with multiple GMC specialists before Adedire, and none of them were able to resolve my issue, from the start, A…I worked with multiple GMC specialists before Adedire, and none of them were able to resolve my issue, from the start, Adedire showed a high level of professionalism and a string understanding of Google Merchant Center Policies. He pinpointed the exact cause of the problem and fixed it efficiently without unnecessary delays.
After wasting time and money with others, finally getting real results was a huge relief l. If you're struggling with GMC suspensions, disapprovals, or or going errors, Adedire is reliable, knowledgeable, and truly knows what he's doing. I highly recommend his services.
To client:
5
Jan 2026 - Jan 2026
ClickFunnels Landing Page Builder for Fitness
To freelancer:
5
Excellent work on our Clickfunnel landing page. Fast turnaround, good communication, and strong understanding of funnel …Excellent work on our Clickfunnel landing page. Fast turnaround, good communication, and strong understanding of funnel structure. Would definitely hire again.
To client:
5
It was great working with you. Clear communication, quick responses, and all assets were shared on time.
Jan 2026 - Jan 2026
Kitchen & Bathroom Remodeling Companies
To freelancer:
5
Excellent lead generation! Verified remodeling company owner delivered on time. Highly recommended. Will hire again!
To client:
5
Jan 2026 - Jan 2026
Expert Mobile App Designer Needed (Fast Turnaround, Strong UX
To freelancer:
5
Gulraiz is an incredible designer. He’s new on Upwork, but he delivered exactly what he promised and honestly exceeded m…Gulraiz is an incredible designer. He’s new on Upwork, but he delivered exactly what he promised and honestly exceeded my expectations. He understood the requirements right away and made the whole process easy. I usually don’t leave long reviews, but his work really stood out. Even with a very tight timeline, he identified gaps on his own and came up with smart, creative solutions. I’ll definitely be hiring him again and would highly recommend him to any business. If you’re thinking about working with him, go for it. You won’t regret it.
To client:
5
Very clear about what he wanted. Definitely recommending him again.
Jan 2026 - Jan 2026 10 hrs @ $0.00/hr
Shopify Expert Developer for Site Improvement
To freelancer:
5
Ariba showed great attention to detail and strong expertise. The task was completed accurately and efficiently, with smo…Ariba showed great attention to detail and strong expertise. The task was completed accurately and efficiently, with smooth communication from start to finish. I strongly recommend her services.
To client:
5
Jan 2026 - Jan 2026
Online Reputation Management Expert
To freelancer:
5
“Highly professional and efficient service. They handled negative and fake reviews safely, with clear communication thro…“Highly professional and efficient service. They handled negative and fake reviews safely, with clear communication throughout. Strongly recommended for protecting your business reputation.”
To client:
5
Thank you so much
Jan 2026 - Jan 2026 FIXED $10.00
Executive Resume Update Needed
To freelancer:
5
ABDULAZEEZ is a one of its kind , he worked on my resume and Iove the final outcome, make him your go to expert if you n…ABDULAZEEZ is a one of its kind , he worked on my resume and Iove the final outcome, make him your go to expert if you need one
Great experience working with Zainab. She quickly understood our GoHighLevel setup and fixed the automation exactly as r…Great experience working with Zainab. She quickly understood our GoHighLevel setup and fixed the automation exactly as requested. Would definitely work with her again
To client:
5
The client provided clear instructions, responded on time, and kept the project organized. Overall, a positive experienc…The client provided clear instructions, responded on time, and kept the project organized. Overall, a positive experience.
Jan 2026 - Jan 2026
Web Application Update Specialist Needed
To freelancer:
5
Working with Afnan has been a truly great experience. He communicates clearly, provides thoughtful feedback, and makes c…Working with Afnan has been a truly great experience. He communicates clearly, provides thoughtful feedback, and makes collaboration smooth and enjoyable. His professionalism and positive attitude create an excellent working environment. I genuinely appreciated the opportunity to work with him and would be happy to collaborate again in the future. Highly recommended!
To client:
4.45
It was a pleasure working with Shannon! She communicates clearly, provides helpful feedback, and makes collaboration eas…It was a pleasure working with Shannon! She communicates clearly, provides helpful feedback, and makes collaboration easy. I’d be happy to work together again.
Jan 2026 - Jan 2026
AI Agent Workflow Automation Specialist
To freelancer:
5
It was amazing working with Abdul Rehman. He is an expert at what he does. He understood everything very quickly and got…It was amazing working with Abdul Rehman. He is an expert at what he does. He understood everything very quickly and got everything done in no time. He approached this like a business use case rather than a technical buildup, something very rare. Loved working with him and highly recommend him as an expert in his domain.
To client:
5
It was amazing working with Shannon. Would love to work again
Jan 2026 - Jan 2026 8 hrs @ $0.00/hr
WordPress Landing Page Design
To freelancer:
5
Great experience working with this freelancer. The landing page design was clean, modern, and exactly as requested. Comm…Great experience working with this freelancer. The landing page design was clean, modern, and exactly as requested. Communication was smooth, work was delivered on time, and revisions were handled professionally. Highly recommended!
AbdulJeleel delivered high-quality firmware for our ESP32 and STM32 project, handling UART, I2C, SPI, and CAN protocols …AbdulJeleel delivered high-quality firmware for our ESP32 and STM32 project, handling UART, I2C, SPI, and CAN protocols flawlessly. He integrated sensors and peripherals efficiently and ensured stable WiFi, Bluetooth, MQTT, and HTTP connectivity. His approach to power optimization and debugging greatly improved system performance. Communication was smooth, deadlines were met, and documentation was clear. Highly recommended embedded firmware engineer, IoT developer, and microcontroller expert!
To client:
5
The buyer was very clear with project requirements, provided all necessary details on time, and communicated professiona…The buyer was very clear with project requirements, provided all necessary details on time, and communicated professionally throughout the process. Payments were prompt, and feedback was constructive, making collaboration smooth and efficient. I would gladly work with this buyer again!
Jan 2026 - Jan 2026
WordPress Website Developer Needed
To freelancer:
5
“Expert in Elementor! The layout, animations, and responsiveness were spot on. Every small detail was handled perfectly.…“Expert in Elementor! The layout, animations, and responsiveness were spot on. Every small detail was handled perfectly. Highly recommended.”
To client:
5
perfect
Jan 2026 - Jan 2026
Experienced React Native Developer for API-Driven SaaS Mobile App
To freelancer:
5
Amazing work! The app runs smoothly, looks great, and was delivered on time. He really knows React Native and mobile arc…Amazing work! The app runs smoothly, looks great, and was delivered on time. He really knows React Native and mobile architecture. Will hire again for sure.
To client:
5
Jan 2026 - Jan 2026 FIXED $20.00
Squarespace Website Mobile Responsiveness & Booking System Setup
Description
To freelancer:
5
I wanted to share how thrilled I am with the Squarespace website odunayo designed for me! From the clean layout to the s…I wanted to share how thrilled I am with the Squarespace website odunayo designed for me! From the clean layout to the smooth functionality, everything feels polished and exactly matches my vision. he was super communicative, quick to make tweaks, and truly listened to my needs—making the whole process stress‑free. Thanks for delivering a beautiful site that I’m proud to showcase. I’ll definitely recommend you to anyone looking for top‑notch web design!
To client:
5
Thanks for the successful cooperation
Jan 2026 - Jan 2026
Real Estate Lead Generation
To freelancer:
5
He did a great job went beyond my expectations and went extra miles aswell has great understanding of work and industry.…He did a great job went beyond my expectations and went extra miles aswell has great understanding of work and industry. HIGHLY RECOMMEND.
To client:
5
Shes awesome to deal with very easy to understand would love to work again with her.
Jan 2026 - Jan 2026
Custom PCB Design & Schematic Engineering Project
To freelancer:
5
AbdulJeleel delivered an excellent multilayer PCB design with professional schematic capture, component selection, and h…AbdulJeleel delivered an excellent multilayer PCB design with professional schematic capture, component selection, and high-speed routing. He demonstrated strong expertise in signal integrity, EMI/EMC optimization, and power distribution design. All manufacturing files including Gerber, BOM, pick-and-place, and assembly drawings were perfectly prepared. His skills with Altium Designer, KiCad, and EasyEDA, along with proper DFM/DFA practices and hardware debugging, made this project smooth and successful. Highly recommended for reliable, production-ready PCB design.
To client:
5
This client is very calm and explains every step of the project perfectly
Jan 2026 - Jan 2026 FIXED $10.00
experienced Shopify developer need
To freelancer:
5
I hired faisal for Shopify speed optimization and was very satisfied with the results. My store speed improved noticeabl…I hired faisal for Shopify speed optimization and was very satisfied with the results. My store speed improved noticeably on both desktop and mobile. Communication was clear, delivery was on time, and the work was professional. I would definitely recommend their services.
To client:
5
Jan 2026 - Jan 2026
Create a Consulting Business Website on Squarespace with Booking Functionality
To freelancer:
5
odunayo is an exceptionally talented and professional website developer with strong expertise in consulting business ser…odunayo is an exceptionally talented and professional website developer with strong expertise in consulting business service on Squarespace. If you need any kind of website work, he is the right person to choose. He carefully listens to requirements and understands client needs very well. His level of patience and calm communication makes the entire process smooth and stress-free. odunayo pays great attention to detail and delivers high-quality results on time. Working with him is a great experience.
I highly recommend him to anyone looking for reliable and professional web development and designing services on squarespace.
To client:
5
Really love working with. He shared the updated part in details so that I can understand him well
Jan 2026 - Jan 2026 FIXED $10.00
Looking for Faceless Channel Expert
To freelancer:
5
Taha helped alot for Youtube Automation Ideas and Strategies.
He is definitely a Youtube Pro.
Highly Recommend!
To client:
5
Jan 2026 - Jan 2026 1 hrs @ $0.00/hr
Logo Designer Needed
To freelancer:
5
He did a very good job. He delivered exactly what he said he would. Communication was smooth and easy.
To client:
5
Jan 2026 - Jan 2026 FIXED $10.00
Shopify Expert Needed to Design a High-Converting Dropshipping Store
To freelancer:
5
Excellent experience working with this freelancer. They set up my Shopify store professionally, ensuring everything was …Excellent experience working with this freelancer. They set up my Shopify store professionally, ensuring everything was well-structured, optimized, and ready for launch. Their knowledge of Shopify was clear throughout the process, and they paid close attention to details like theme customization, product setup, and overall store functionality. Communication was clear and timely, and the project was delivered exactly as promised. Highly recommended for anyone looking for a reliable and skilled Shopify expert.
Mustafa is an excellent Blockchain and Smart Contracts developer. He delivered secure, well structured Solidity contract…Mustafa is an excellent Blockchain and Smart Contracts developer. He delivered secure, well structured Solidity contracts, showed strong DeFi knowledge, and communicated clearly throughout the project. Very professional, reliable, and highly recommended for Web3 and smart contract work.
To client:
5
Jan 2026 - Jan 2026
Need a Meta Ads person who can help optimize custom conversion events
To freelancer:
5
Muhammad was extremely persistent and knowledgeable throughout the entire process. I had already installed my Meta pixel…Muhammad was extremely persistent and knowledgeable throughout the entire process. I had already installed my Meta pixel, but my custom events were inconsistent and my conversions weren’t lining up with the funnel properly. He quickly identified the root issues, fixed the event logic, and helped me structure everything in a way that Meta can actually optimize campaigns correctly. He also made sure parameters like value, currency, and content IDs were passing properly and gave clear recommendations for AEM priorities. Great communication and very detail-oriented, highly recommended.
To client:
5
Jan 2026 - Jan 2026
TikTok Video Editor
To freelancer:
5
Great TikTok editor with a strong sense of pacing, trends, and storytelling. Delivered high-quality, engaging videos qui…Great TikTok editor with a strong sense of pacing, trends, and storytelling. Delivered high-quality, engaging videos quickly and consistently. Professional, responsive, and easy to work with. highly recommended.
To client:
5
Jan 2026 - Jan 2026
Google Ads Campaign Optimization & Disapproved Ads Fix
To freelancer:
5
Victor provided outstanding service as a Google Ads Account Management and Campaign Optimization Expert. He handled Sear…Victor provided outstanding service as a Google Ads Account Management and Campaign Optimization Expert. He handled Search, Display, Shopping, and Performance Max campaigns with precision, focusing on conversions, compliance, and ROI. His keyword research, bidding strategies, and ad copy testing significantly reduced wasted spend and improved Quality Score. Victor was also excellent with conversion tracking, Google Tag Manager, and performance analysis, ensuring accurate data and stable account growth. Communication was clear and professional throughout. I highly recommend Victor to anyone looking for a reliable, results-driven Google Ads expert.
To client:
5
It was great working with her. Just the first phase so I look forward to working with her again.
Jan 2026 - Jan 2026
MERN Stack API Fixing
To freelancer:
5
Very satisfied.
Dec 2025 - Jan 2026
Google Ads Account Recovery & Business Verification Specialist Needed
To freelancer:
5
"Deborah was an absolute lifesaver for my Google Ads account recovery! My account was suspended, and she quickly and exp…"Deborah was an absolute lifesaver for my Google Ads account recovery! My account was suspended, and she quickly and expertly guided me through the entire process. Thanks to her efficiency and deep knowledge, my account was successfully reactivated. Highly recommend her services if you're facing Google Ads issues”
To client:
5
Very easy client to work with.
Jan 2026 - Jan 2026
Need Help Debugging S3 Upload Issue in Next.js
To freelancer:
5
Imran was great to work with.
He quickly fixed our Next.js + AWS S3 upload issue and made sure everything was working pr…Imran was great to work with.
He quickly fixed our Next.js + AWS S3 upload issue and made sure everything was working properly.
Very clear communication and fast turnaround.
To client:
4.35
Jan 2026 - Jan 2026
Looking for a Full Stack Developer (React, Node.js) with AI Integration Experience
To freelancer:
5
Sundus is a highly skilled Full Stack Developer with strong expertise in React and Node.js, along with AI integration. S…Sundus is a highly skilled Full Stack Developer with strong expertise in React and Node.js, along with AI integration. She understood the project requirements very well and delivered high-quality work on time. Communication was clear and professional throughout the project. I would definitely recommend her for complex web and AI-based applications.
To client:
5
Good Client!
Dec 2025 - Jan 2026
SEO + Social Media Marketing (SMM) Specialist Needed for Growth
To freelancer:
5
Great work! Delivered on time with excellent quality and professionalism.
To client:
5
Dec 2025 - Dec 2025 3 hrs @ $34.50/hr Billed: $114.99
React.js & Node.js Full Stack Developer for Web App Development
To freelancer:
5
Ramsha is an excellent React.js and Node.js full stack developer. She completed the web application professionally and d…Ramsha is an excellent React.js and Node.js full stack developer. She completed the web application professionally and delivered everything on time. The code quality was clean and well-structured and she clearly understood all requirements. Communication was smooth throughout the project. Highly recommended for future web development work.
To client:
5
Good Client!
Dec 2025 - Dec 2025
Looking for an Experienced Full Stack Developer (React Native,reacts.js, node, J's)
To freelancer:
5
The task was urgent and the timeline was very short but Asad did an excellent job and made sure the work was completed o…The task was urgent and the timeline was very short but Asad did an excellent job and made sure the work was completed on time. He even worked over the weekend to meet the deadline. His communication was excellent and he kept me updated on every detail throughout the project. I highly recommend Asad to everyone and will definitely work with him again in the future.
To client:
5
Excellent Client!
Dec 2025 - Dec 2025
Google Merchant Center Policy Specialist / Misrepresentation Recovery
To freelancer:
5
She gets the job done and makes the Google Merchant Center suspension recovery process smooth and stress-free.
Vic is p…She gets the job done and makes the Google Merchant Center suspension recovery process smooth and stress-free.
Vic is prompt, efficient, and persistent! Highly recommend her expertise
To client:
5
Dec 2025 - Dec 2025
Google Ads Account Recovery & Business Verification Specialist Needed
To freelancer:
5
Azeez Ilyas did an outstanding job helping me recover my Google Ads account and complete the business verification proce…Azeez Ilyas did an outstanding job helping me recover my Google Ads account and complete the business verification process. This was a stressful issue, but Azeez handled it with confidence, professionalism, and deep knowledge of Google Ads policies. He understood the suspension and verification requirements perfectly and guided me step by step until my account was fully restored and active. Thanks to his expertise, my ads are now running again without issues. I’m extremely happy with his service, responsiveness, and results. I strongly recommend Azeez to anyone needing Google Ads account recovery or business verification support.
To client:
5
It's great working together on this project
Dec 2025 - Dec 2025
Google Ads Campaign Optimization & Disapproved Ads Fix
To freelancer:
5
Rokeeb was great to work with! He quickly set up our campaigns and set up our ads. Would work with him again!"
If you ar…Rokeeb was great to work with! He quickly set up our campaigns and set up our ads. Would work with him again!"
If you are looking for the best Google Ads Guy on upwork, this guy is absolutely the best
To client:
5
Thanks for trusting me man
Dec 2025 - Dec 2025
Google ads Specialist - Campaign Optimization Specialist
To freelancer:
5
Chris really helped us clean up and optimize our Google Ads. He focused on what actually converts, not just clicks. We s…Chris really helped us clean up and optimize our Google Ads. He focused on what actually converts, not just clicks. We saw better leads, lower costs, and clearer results pretty quickly. Easy to work with, straight to the point, and knows his stuff.
To client:
5
Thanks 😊
Dec 2025 - Dec 2025
SEO Expert Needed for Keyword Research and Backlink Building
To freelancer:
5
Ali Zulfiqar delivered outstanding results with his keyword research and SEO strategies. By identifying key gaps and sec…Ali Zulfiqar delivered outstanding results with his keyword research and SEO strategies. By identifying key gaps and securing high-quality backlinks through targeted outreach, he improved our domain authority. His on-page SEO optimization and clear progress reports made the process smooth and effective. Highly recommend Ali for anyone seeking a thorough, results-oriented SEO expert.
To client:
5
Dec 2025 - Dec 2025 FIXED $50.00
Experienced Credentialing Specialist
To freelancer:
5
Numan Hussain did an outstanding job with provider credentialing and payer enrollments, demonstrating exceptional accura…Numan Hussain did an outstanding job with provider credentialing and payer enrollments, demonstrating exceptional accuracy, professionalism, and deep industry expertise. I highly recommend him for any credentialing or RCM-related projects and would gladly work with him again.
To client:
5
Dec 2025 - Dec 2025 FIXED $100.00
n8n Automation Expert Needed Website Lead Form Airtable ICP Qualification Email + Calendar Booking
To freelancer:
5
Amazing work. Suhrab’s work ethics as well as quality are quite commendable. He went above and beyond the expected. Exce…Amazing work. Suhrab’s work ethics as well as quality are quite commendable. He went above and beyond the expected. Excellent resource. Would love to work with him again in future.
To client:
5
Amazing client to work with. Pretty clear requirements, smooth handover. Would love to work again with Shannon
Dec 2025 - Dec 2025 FIXED $100.00
Video Editor Needed for Simple B-Roll and Subtitling
To freelancer:
5
Junaid came in to work on a project with a very tight deadline and was able to complete in a timely manner. He was commu…Junaid came in to work on a project with a very tight deadline and was able to complete in a timely manner. He was communicative and responsive to feedback and able to make all requested edits. I would work with him again.
To client:
5
Dec 2025 - Dec 2025 FIXED $5.00
Shopify Product Editing 20 Products
To freelancer:
5
Abdulquadri is an excellent Shopify expert. He handled product editing and SEO optimization with great attention to deta…Abdulquadri is an excellent Shopify expert. He handled product editing and SEO optimization with great attention to detail, significantly improving product structure and visibility. He delivered everything on time and communicated clearly throughout the process. Professional, reliable, and results-driven I highly recommend him.
To client:
5
It was a great experience working with Shannon on her Shopify website; looking forward to working with her on future pro…It was a great experience working with Shannon on her Shopify website; looking forward to working with her on future projects.
Dec 2025 - Dec 2025
Looking for a Logo Designer with Big Creative Energy
To freelancer:
5
Love the creative vibe in your work. Your logo samples feel clean and well thought out, not overdone. You seem easy to c…Love the creative vibe in your work. Your logo samples feel clean and well thought out, not overdone. You seem easy to communicate with and understand the idea quickly.
Verve AI is hiring an experienced Chrome extension engineer to build a one-click job application auto-fill extension.
You’ll build a production-ready Chrome extension (Manifest V3) that securely syncs user resume/profile data from our web app and auto-fills job application forms on major job boards (LinkedIn, Greenhouse, Lever).
This role requires:
Proven Chrome extension experience
Strong DOM parsing / form detection skills
Comfort working with messy, dynamic websites
A product mindset (assistive automation, not brittle hacks)
If you’ve shipped real extensions before, we want to talk.
Client's questions:
Describe your recent experience with similar projects
User Testing for Bybit API Connection (India Residents Only)
Applied
$10
8 hours ago
Client Rank
- Good
Payment method verified
Phone number verified
$3 490 total spent
19 hires, 12 active
5 jobs posted
100% hire rate,
4 open job
5.00
of 7 reviews
Registered: Jul 18, 2024
Ukraine
Kyiv
21:46
4
Hi!
We are Botty, a crypto-focused IT / SaaS platform that provides automated trading infrastructure via secure API connections to exchanges.
At the moment, we are forming a small focus group (2–4 people) to test how smoothly our platform connects to Bybit accounts via API (one-click connection flow).
🧪 What you need to do
Follow a short step-by-step instruction we provide
Create an API key on your existing Bybit account
Connect it to our platform
Confirm that the connection works correctly
⏱ The whole process takes 5–10 minutes max.
✅ Requirements
You currently live in India
You already have a registered Bybit account
Ideally, your Bybit account is registered using Indian residency
Basic understanding of how API keys work (we provide instructions)
🔒 Important:
We do not get access to your funds, trading account, or withdrawal rights.
API keys are used only for connection testing, and you can fully control and delete them at any time.
💰 Payment
$10–15 USD per test (can be discussed)
Paid after successful completion
📩 How to apply
Please message us and confirm:
Do you currently live in India?
Do you have an active Bybit account?
Are you available to complete a 10-minute test?
Deliverables
Follow step-by-step instructions
Create API key on Bybit account
Connect API to our platform
Confirm connection works correctly
Recruiter Needed for Sales Manager Position in Turkey
No feedback given
Sep 2025 FIXED $300.00
Video Editing Webinar Style Video
No feedback given
Aug 2025 FIXED $120.00
UGC videos for a crypto project (Spanish market)
No feedback given
May 2025
UGC videos for a crypto product (Turkish market)
No feedback given
May 2025 FIXED $150.00
Polish male voiceover for UGC Ads
No feedback given
Apr 2025 FIXED $50.00
UGC videos for Facebook Ads (Spanish market)
No feedback given
Mar 2025 FIXED $300.00
UGC Facebook Ads (Spanish market)
No feedback given
Mar 2025 FIXED $420.00
UGC videos for facebook ads
No feedback given
Jan 2025 FIXED $100.00
UGC videos (Polish native speaker)
No feedback given
Jan 2025 FIXED $250.00
UGC videos for FFA (US market)
No feedback given
Jan 2025
Short User Test: Bybit API Connection (UAE residents)
No feedback given
Jan 2026 - Jan 2026 FIXED $10.00
UGC videos for a crypto project (Turkish market)
No feedback given
To client:
5
May 2025 - Jun 2025 FIXED $175.00
UGC videos for a crypto project (Spanish market)
To freelancer:
5
Andred delivered videos on time, and the quality was great. I can highly recommend him as a great professional!
To client:
5
May 2025 - May 2025 FIXED $160.00
UGC videos for Facebook Ads (Spanish market)
To freelancer:
5
It was a wonderful experience to work with Karen. Highly recommend her as a great creator.
To client:
5
Mar 2025 - Mar 2025
UGC videos for FFA (TR market)
To freelancer:
5
Gulsun is a nice creator. She helped us with high-quality content. Highly recommend her.
To client:
5
It was truly a great experience working with her! Clear communication, timely responses, and a professional approach mad…It was truly a great experience working with her! Clear communication, timely responses, and a professional approach made the project run smoothly. I would love to collaborate again in the future. Thank you
Jan 2025 - Jan 2025 FIXED $200.00
UGC videos for FFA (US market)
To freelancer:
5
Danica is a great creator. I highly recommend her as a professional
To client:
5
Anastasia was the greatest client! She provided detailed instructions on what she was looking for, was available anytime…Anastasia was the greatest client! She provided detailed instructions on what she was looking for, was available anytime I had questions, and the budget matched the scope of the work. YIt was a pleasure to work with her and I hope to work with her again soon! Definitely recommend working with her!
Jan 2025 - Jan 2025 FIXED $100.00
UGC videos for FFA (TR market)
To freelancer:
5
Aycan prepared everything that we needed, according to our brief. I can recommend her as a professional.
To client:
5
Jan 2025 - Jan 2025
UGC videos for FFA (US market)
To freelancer:
5
Sylvana is a professional. She made great content strictly according to the brief in the shortest deadline. Highly recom…Sylvana is a professional. She made great content strictly according to the brief in the shortest deadline. Highly recommend cooperating with her if you wanna have high-quality content for your brand!
We are looking for a software developer experienced in visa appointment systems, especially VFS systems. We will provide more details when we discuss the specifics.
Client's questions:
Describe your recent experience with similar projects
Project Overview:
We are looking for an experienced Android Automation Engineer to take over an existing real-device automation software project. The software allows users to download a desktop application, enter a subscription key, and automate tasks on real Android devices. The project was initially developed by a freelancer but requires a thorough review and proper implementation to ensure all features work correctly, securely, and reliably before launch.
Objective:
• Review the current codebase and identify missing or incomplete functionality.
• Fix urgent issues related to core functionality and security.
• Ensure the software works as intended with real Android devices.
• Deliver a stable version ready for public launch, while providing a plan for non-critical improvements post-launch.
Key Responsibilities:
• Analyze the existing Android automation code and desktop integration.
• Identify and fix bugs or missing functionality based on the project specifications.
• Ensure proper task automation workflows are implemented and functional.
• Test automation on real Android devices using ADB and Scrcpy.
• Work with subscription key logic and desktop app integration.
• Improve security, error handling, and stability of the application.
• Provide clear documentation and handover notes for future updates.
• Suggest improvements or optimizations where necessary.
Technical Requirements:
• Languages: Python 3.6+, Node.js 14+, Java JDK 8+
• Android Tools: ADB (Android Debug Bridge), Scrcpy for screen mirroring
• Desktop App Integration: Handling subscription key and communication with the app
• Automation Skills: Ability to automate tasks reliably on real devices
• Environment Setup: USB debugging enabled, developer options on Android devices
• Other Requirements: Familiarity with handling Android apps (e.g., Instagram) programmatically
Preferred Skills & Experience:
• Experience with real-device Android automation
• Proficiency in Python, Node.js, and Java for automation and app integration
• Familiar with subscription/licensing flows in desktop applications
• Strong problem-solving skills and attention to detail
• Ability to review incomplete projects and implement functionality according to specifications
• Experience in debugging and optimizing automation scripts for real devices
Deliverables:
• Fully functional Android automation desktop application ready for public use
• Documentation of all changes, setup instructions, and user guidance
• Fixed timeline and fixed-price proposal for completing the project
Additional Notes:
• You will be provided access to the existing codebase and supporting documents (PDF) outlining all requirements and missing features.
• The focus is on urgent functionality and security issues first, with optional enhancements post-launch.
• Candidates should quote the project as if they were building it themselves from the current codebase.
Budget & Timeline:
• Please provide a fixed price estimate and an approximate time to MVP launch.
• A deposit will be provided upfront to start the review and planning phase.
As a Data Engineer focused on platform stability and analytics, your mission will be to maintain and enhance a reliable, high‑performance data stack that empowers product and operations teams with actionable insights. You will leverage AWS technologies (Postgres RDS, Redshift, S3), build and manage ELT pipelines with Airbyte, model data with dbt and orchestrate workflows with Prefect. Your work will ensure that key performance indicators and data products are accurate, timely and tailored to support decision‑making, improve processes and inform the development of our one‑stop‑shop services.
Key Responsibilities
Maintain and optimize our data platform (RDS, Redshift, S3), ensuring high availability, performance and cost efficiency to support analytics and operations.
Develop and manage ELT pipelines with Airbyte to ingest data from diverse sources and keep the data warehouse and data lake up to date.
Model and transform data using dbt to deliver clean, well‑structured datasets and meaningful KPIs for product and operations teams.
Orchestrate data workflows with Prefect, automating tasks such as data ingestion, transformation and quality checks.
Collaborate with product, operations and analytics teams to understand data needs, define metrics and build data products that support decision‑making.
Implement and enforce data governance practices, including monitoring, testing and documentation, to ensure data accuracy and trustworthiness.
Proactively monitor pipeline performance and resolve issues, continuously improving reliability and scalability.
Stay current with emerging tools and best practices in data engineering to enhance the stack and support advanced use cases like MCP‑based agents and RAG architectures.
View less
Preferred experience
Curiosity for next‑generation AI technologies – Demonstrated interest in or experience with intelligent agents, large language models (LLMs), Model Context Protocol (MCP) and retrieval‑augmented generation (RAG) architectures. A “geek” mindset that enjoys exploring and experimenting with emerging AI tools and applying them in practical scenarios.
Solid years of experience in data engineering with hands‑on work in SQL, data warehousing and cloud platforms.
Strong proficiency with relational databases (Postgres) and columnar warehouses such as Redshift; familiarity with object storage (S3) and AWS services.
Experience building and maintaining data ingestion pipelines using Airbyte or similar ELT frameworks.
Proficiency in dbt for data transformation and modelling.
Experience orchestrating workflows using Prefect or equivalent tools.
Programming skills in Python and/or Java.
Understanding of data governance, testing and CI/CD for data pipelines.
Excellent problem‑solving skills and ability to work collaboratively across technical and business teams.
Experience in fintech, proptech or other regulated domains is an advantage; proficiency in French or Arabic is a plus.
Budget:
not specified
8 hours ago
Data Science & Analytics, Data Mining & Management
Job Title – Salesforce Developer
Location – Remote
Work Hours – 4:00 PM - 1:00 AM IST
Responsibilities:
● Participate and strong lead in agile for daily scrum meetings
● Has the ability to work collaboratively in a creative, agile environment and manage task assignments
● Understand business requirements and design solutions to meet those requirements
● Write Apex code, Visualforce pages, and Lightning components while configuring Salesforce product related applications
● Integrate Salesforce with other systems
● Perform unit testing and participate in code reviews
● Develop end to end Salesforce solutions using Configuration and Customization - APEX Class, Triggers, Visualforce pages, Lightning components etc.
● Automate business processes using Salesforce automation tools, such as Process Builder, Workflows, Formulas, Flow, Assignment Rules and email Alerts
● Build integrations between Salesforce and external applications using REST, SOAP APIs, oAuth and Single Sign-On
● Migrate changes from development to test to production environment(s)
● Adhere to defined coding standards and develop well-structured, maintainable and easy to understand code
● Perform independent code reviews and write unit/integration test cases to achieve 85% test coverage
● Ability to effectively debug and resolve issues and/or defects which may be reported as a result of faults in the production system
● Assist in writing technical approach and design documentation as required.
Qualifications:
● At least 7 Years experience developing on the Salesforce Platform. This time should not include being an end user. Only the time where development actually took place.
● Ability to be a dedicated lead resource for an enterprise project up to two years
● A leader, client facing, strong written and verbal communication
● Experience working in large, complex projects and collaboration with remote and offshore teams.
● Platform Developer II Certified
● Extremely knowledgeable in the Salesforce ecosystem following areas:
○ Digital Experience Sites (Communities)
○ Flows (All Flow Types)
○ Lightning Web Components
○ Security/Permissions
● Ability to out of the box functionality to maintain scalable solutions.
● Utilizing the Salesforce Lightning Design System
● Knowledge of Product Development Lifecycle and DevOps Tools
● Ability to take Business Processes/Requirements and design a scalable solution that uses as much out of the box functionality as possible.
● Ability to take Business Requirements and translate them into Technical Requirements
● Intermediate knowledge of JavaScript and C# language
Tools and Systems:
This project will use the following tools.
● Salesforce products
● Microsoft Azure DevOps
● AccelQ Automation
● ZAP for Security Testing
● JMeter for Performance Testing
Senior Data Engineer Needed for German Company (Bavaria) – Azure & Modern Data Platforms
Applied
$65 - $70
/ hr
10 hours ago
Client Rank
- Medium
Payment method verified
Phone number verified
$223 total spent
1 hires
44 jobs posted
2% hire rate,
2 open job
70.00 /hr avg hourly rate paid
3 hours paid
5.00
of 1 reviews
Registered: Jan 29, 2024
Germany
Gräfelfing
21:46
3
Project Objective:
Design and optimization of a scalable data infrastructure to ensure data availability, quality, and reliability for analytics, machine learning, and business intelligence applications.
Project Tasks:
Design, build, and optimize scalable data pipelines for batch and real-time processing.
Develop ETL/ELT workflows for efficient data ingestion, transformation, and storage.
Apply Data Vault 2.0 for flexible, scalable data modeling.
Ensure data consistency, reliability, and governance across lakes and warehouses.
Optimize cloud data infrastructure for performance and cost, primarily on Azure or other cloud platforms
Implement and manage big data frameworks such as Apache Spark, Databricks, Kafka, or Azure Event Hub
Integrate security and compliance (RBAC, encryption, GDPR, CCPA, HIPAA) into data platforms to enhance data security and compliance
Automate data pipeline orchestration with Airflow, Data Factory, or Prefect.
Monitor and troubleshoot pipelines for reliability and rapid recovery
Collaborate with engineering teams to align architecture with business goals
Deliver clean, scalable datasets to support analytics and machine learning.
Knowledge and Qualifications:
5+ years in data engineering, ETL, or big data
Expert in ETL/ELT workflows with tools like dbt, Airflow, Azure Data Factory, or NiFi
Skilled in cloud platforms (Azure Synapse, Databricks, Snowflake, BigQuery)
Strong in data modeling: Data Vault 2.0, star schema, normalization
Experienced with distributed frameworks (Spark, Hadoop, Kafka, Event Hub)
Advanced in SQL and programming (Python, Scala, Java)
Proficient in IaC (Terraform, Pulumi, ARM) for cloud data infrastructure
Knowledgeable in data security, RBAC, encryption, lineage, and compliance
Collaborative in federated engineering teams
Familiar with monitoring tools (Monte Carlo, DataDog, Great Expectations)
Agile and DevSecOps experience for CI/CD and data pipeline monitoring
Business fluent in English (German optional)
Do you have a registered legal entity? Are you open to work in a B2B format?
Hourly rate:
65 - 70 USD
10 hours ago
Client's recent history (1 work)
Power BI & Data Visualization Consultant
To freelancer:
5
Nico provided exceptional service during our consultation session. He demonstrated profound expertise in analyzing data …Nico provided exceptional service during our consultation session. He demonstrated profound expertise in analyzing data sources, crafting suitable data models, and offering invaluable guidance on data visualization techniques. His proficiency in BI tools like Power BI and Tableau, coupled with a strong grasp of data modeling concepts, ensured a thorough understanding of our dashboard requirements. Moreover, his effective communication and collaboration skills facilitated seamless teamwork, ensuring the successful implementation of our data visualization solutions. We highly recommend Nico to anyone seeking a top-notch BI and data visualization expert.
To client:
5
Maryna is a nice person to work with. I would love to collaborate with Maryna in the future.
Mar 2024 - Mar 2024 3 hrs @ $0.00/hr
Data Science & Analytics, Data Mining & Management
Backend Engineer (Java, Spring Boot, DevOps/Hetzner) – HealthTech (German-speaking)
Applied
$50 - $70
/ hr
10 hours ago
Client Rank
- Excellent
Payment method verified
Phone number verified
$295 428 total spent
99 hires, 45 active
135 jobs posted
73% hire rate,
3 open job
18.30 /hr avg hourly rate paid
14 001 hours paid
4.92
of 78 reviews
Industry: Health & Fitness
Company size: 10
Registered: Dec 21, 2023
Germany
Hamburg
21:46
5
About us:
We are a fast-growing HealthTech startup based in Germany, building an evidence-based digital platform that supports people during cancer therapy. Our system includes a customer-facing web application and mobile apps, powered by a secure, scalable backend infrastructure.
We are looking for an experienced Backend Developer (Freelance) with strong expertise in Java and Spring Boot and solid DevOps experience (Hetzner) to support us in scaling and operating our backend systems. You will work closely with our product team, frontend developers, and DevOps stakeholders to implement new features and continuously improve system stability and performance.
Your responsibilities:
- Develop, extend, and maintain backend services using Java and Spring Boot
- Design, implement, and optimize relational databases (PostgreSQL)
- Build and integrate REST APIs and backend services
- Implement authentication and authorization mechanisms
- Support DevOps-related tasks such as deployment, monitoring, and infrastructure maintenance on Hetzner
- Improve code quality, performance, scalability, and maintainability
Requirements:
- At least 5 years of professional experience with Java and Spring Boot
- Strong experience with relational databases, especially PostgreSQL
- Solid understanding of RESTful API design and backend architecture
- Hands-on experience with DevOps tasks and cloud infrastructure (Hetzner or similar)
- Experience with containerized environments (Docker) and CI/CD pipelines
- Reliable, structured, and proactive working style
- Very good German skills (written and spoken); English is a plus
Nice to have:
- Experience with monitoring and observability tools ( we have Grafana and Prometheus)
- Familiarity with microservice architectures and security best practices
- Interest in health-related digital products
Experienced Flutter Developer with Healthcare & HIPAA Compliance Experience
No feedback given
Jan 2026 40 hrs @ $0.00/hr
Content Design / Graphic Design
No feedback given
Jul 2025 34 hrs @ $18.37/hr Billed: $615.31
Copy writing health articles
No feedback given
May 2025 126 hrs @ $4.78/hr Billed: $599.27
Frontend Developer (React + TypeScript) for HealthTech Startup
No feedback given
Oct 2025 - Jan 2026 335 hrs @ $43.45/hr Billed: $14,561.52
Wordpress expert needed
To freelancer:
5
Aug 2025 - Dec 2025 HOURLY $59.57
Long-Term Article Writing – Based on Bullet Points – Human Only - English native speaker
To freelancer:
5
Reliable and professional writer.
To client:
5
Great client - reliable, communicative and fair. Highly recommend!
May 2025 - Dec 2025 31 hrs @ $93.83/hr Billed: $2,924.46
Copy editing health articles. Only English native speaker.
To freelancer:
5
Professional writer
May 2025 - Dec 2025 42 hrs @ $165.66/hr Billed: $6,902.60
Long-Term Article Writing – Based on Bullet Points – Human Only - English native speaker
To freelancer:
5
Reliable and professionale writer
To client:
5
Adem was an exceptional client, responsive and supportive.
May 2025 - Dec 2025 16 hrs @ $191.71/hr Billed: $3,035.41
Shopify developer(Europe market expert) - No agency please
To freelancer:
5
Taimoor delivered outstanding results he revamped my Shopify site beautifully and handled every detail with precision. G…Taimoor delivered outstanding results he revamped my Shopify site beautifully and handled every detail with precision. Great communication, fast turnaround, and true Shopify expertise. I’ll definitely hire him again!
To client:
5
Thank you so much for your kind words! It’s been an absolute pleasure working with you on this project. I’m really glad …Thank you so much for your kind words! It’s been an absolute pleasure working with you on this project. I’m really glad to hear you’re happy with the results your feedback truly means a lot!
May 2025 - Oct 2025 FIXED $1,450.00
Copy editing health articles. Only English native speaker. Fixed price per article.
No feedback given
To client:
5
Apr 2025 - Jul 2025 FIXED $349.64
Egypt. Need a full-time personal assistant with medical background.
To freelancer:
5
Abdelrahman is amazing. Would any time work again with him.
To client:
5
Honest, professional, and pleasant to work with. Highly recommended.
May 2025 - Jun 2025 163 hrs @ $6.56/hr Billed: $1,065.44
Experienced label designer for a supplement bottle
Long-Term Article Writing – Based on Bullet Points – Human Only - English native speaker
To freelancer:
5
Apr 2025 - Apr 2025
AI programmer as a consultant
To freelancer:
5
To client:
5
Very kind, highly professional, and extremely cooperative. It has been a pleasure working with Adem.
Apr 2025 - Apr 2025 HOURLY $27.13
Long-Term Article Writing – Based on Bullet Points – Human Only - English native speaker
To freelancer:
5
To client:
5
Great working with Adem.
Apr 2025 - Apr 2025
Long-Term Article Writing – Based on Bullet Points – Human Only - English native speaker
To freelancer:
5
To client:
5
Apr 2025 - Apr 2025 FIXED $15.00
Looking for experienced medical writer/blogger. English native speaker only.
To freelancer:
5
She is great!
To client:
4.6
This client was professional and responsive. The requirements of the job changed from editing to writing 2000+ articles …This client was professional and responsive. The requirements of the job changed from editing to writing 2000+ articles and I could not continue at the rate offered. So, I had to bow out. But he appeared to be understanding.
My local network has one SSID and it uses roaming across multiple APs (not sure that is relevant). My local home network is connected to local ISP and goes to the internet.
Problem to solve:
-work notebook to use NordVPN client to secure communication (same notebook to then change location in case it is required for media access, e.g. ITV).
For TV (SAMSUNG) I cannot install VPN client (afaik) and therefore I am thinking to find solution where I can connect TV (perhaps dedicated SSID) where on router I will set VPN client to forward any communication from the specific SSID to specific VPN server.
ASK: I am looking for a solution where a) I will have multiple separated SSIDs where each will be routed to separate VPN server (e.g. UK, US, ...), or if there is any solution where on router I can be changing VPN server to where communication from this one SSID is routed (needed only for one devices on a given time).
Looking for a consultation, recommendation, and eventually hands on configuration to be done to make the agreed solution a reality.
Please hit me with questions and I am happy to make this happen.
P.S. I am planning to purchase NordVPN router to make this compatible solution.
Hourly rate:
25 - 50 USD
11 hours ago
Client's recent history (14 works)
NVR Consulting / Main website design and development
To freelancer:
5
Laiba is an amazing professional with attention to detail, and she is not shy about making recommendations when she sees…Laiba is an amazing professional with attention to detail, and she is not shy about making recommendations when she sees fit. This was our 3rd project, and I am happily going back once I have the 4th one.
To client:
5
Dan was an exceptional client to work with. Professional, and highly supportive throughout the project. Communication wa…Dan was an exceptional client to work with. Professional, and highly supportive throughout the project. Communication was smooth, expectations were well-defined, and the overall collaboration was genuinely enjoyable. I’d be more than happy to work with him again
Nov 2025 - Jan 2026 FIXED $1,680.00
Google Admin Portal and Play Store Management Specialist
To freelancer:
5
To client:
5
Dec 2025 - Dec 2025 FIXED $60.00
Google Admin Portal and Play Store Management Specialist
To freelancer:
5
Dec 2025 - Dec 2025 FIXED $30.00
ACLManagement / Correction of WP template issue
To freelancer:
5
Laiba is an amazing professional, very customer-centric and consulting-oriented. If you are looking for someone who will…Laiba is an amazing professional, very customer-centric and consulting-oriented. If you are looking for someone who will deliver according to your requirements and, along the way, suggest to you how to get things done in a better way, search no more.
To client:
5
I enjoyed working on this project. Dan communicated expectations clearly and was responsive throughout. It was a smooth …I enjoyed working on this project. Dan communicated expectations clearly and was responsive throughout. It was a smooth collaboration, and I’d be happy to work with him again.
Oct 2025 - Nov 2025
Landing Page Development for the Management Consulting Business
No feedback given
To client:
5
Dan is an excellent client to work with. He communicates clearly, is very cooperative, and makes every project smooth an…Dan is an excellent client to work with. He communicates clearly, is very cooperative, and makes every project smooth and enjoyable. Looking forward to more on more projects with him in future.
Sep 2025 - Nov 2025 FIXED $580.00
NEVEREST Consulting logo design
To freelancer:
5
To client:
5
I'm delighted to be working with Dan! He clearly sets the task, is always in touch, and has a very professional approach…I'm delighted to be working with Dan! He clearly sets the task, is always in touch, and has a very professional approach to work! He provided clear edits and showed a lot of patience, which helped us create a great logo! Thank you very much for working together and I hope we will work together again in the future!
Mar 2025 - Sep 2025 FIXED $540.00
Consulting Boutique expansion to the US / Business Name, Brand, Logo, Brand Identity
To freelancer:
5
To client:
5
Working with Dan was great! and the process was easy. We were supposed to continue with another milestone but he decided…Working with Dan was great! and the process was easy. We were supposed to continue with another milestone but he decided to close the contract prematurely, I wish him all the best and I hope we work again soon.
Oct 2022 - Oct 2022 FIXED $300.00
Consulting Boutique expansion to the US / Business Name, Brand, Logo, Brand Identity
To freelancer:
5
To client:
5
Oct 2022 - Oct 2022 FIXED $350.00
Consulting Boutique expansion to the US / Business Name, Brand, Logo, Brand Identity
To freelancer:
5
To client:
5
I enjoyed working with Mr Dan. Very friendly, patient and understanding.
I will love to work with him again💯
Oct 2022 - Oct 2022 FIXED $60.00
German text proof-reading
To freelancer:
5
Working with Matthias was great experience, delivery date was earlier than required, quality was great as well. Can reco…Working with Matthias was great experience, delivery date was earlier than required, quality was great as well. Can recommend him to all who require high quality.
Dan
To client:
5
Dan is a great person, running a great company! Good and fast communication, interesting textes to correct - just great …Dan is a great person, running a great company! Good and fast communication, interesting textes to correct - just great to work with him in general! Thanks Dan, looking forward to other projects! :-)
Oct 2013 - Oct 2013 FIXED $236.00
English to German: web site content
To freelancer:
5
To client:
5
Very nice experience, Dan is a very good client. Would like to work again for him anytime.
Oct 2013 - Oct 2013 FIXED $66.67
English to Russian: web site content
To freelancer:
5
Working with Cristina was great experience, much appreciated.
Dan
To client:
5
Thank you Dan, it's been a pleasure working with you!
Oct 2013 - Oct 2013 FIXED $66.67
Web design for Management consulting startup
To freelancer:
5
Great cooperation and experience working with Hossain. Thank you!
Dan
To client:
5
Mr. Cisar is a great client to work with. He was very helpful in every aspect of the project. He is very humble and a ni…Mr. Cisar is a great client to work with. He was very helpful in every aspect of the project. He is very humble and a nice person. I had a great experience working with him.
Oct 2013 - Oct 2013 FIXED $163.00
English to Czech: web site content
To freelancer:
5
Working with Zdenka was were pleasant experience, with smooth and very responsive communication,
Once I have similar pro…Working with Zdenka was were pleasant experience, with smooth and very responsive communication,
Once I have similar project again, I will definitelly reach out to her.
Great cooperation, much appreciated.
Thank you, Dan.
To client:
5
Excellent cooperation.This client always responds to any question. He sends the payment in time. He communicates, and ta…Excellent cooperation.This client always responds to any question. He sends the payment in time. He communicates, and talk to the contractor with respect. A true professional. I would be pleased to work for this client again anytime in the future. Thank you Mr. Cisar for the enriching experience.
Algorithm Developer for Mobile Application
Applied
$100
11 hours ago
Client Rank
- Excellent
Payment method verified
$74 743 total spent
307 hires, 102 active
314 jobs posted
98% hire rate,
4 open job
9.54 /hr avg hourly rate paid
1 417 hours paid
4.92
of 225 reviews
Registered: Mar 2, 2017
United States
Los Angeles
16:46
5
Looking for a skilled algorithm developer to create efficient algorithms for a mobile application. The ideal candidate will have experience in developing algorithms that enhance performance and functionalities. You will work closely with our development team to identify requirements and translate them into effective solutions. Your expertise will play a crucial role in improving user experience and app efficiency. If you are passionate about algorithm design and have a keen eye for optimization, we would love to hear from you!
Example:
Travel based app with in-app searches, API curation from other event platforms, and curated google searches.
Client's questions:
Describe your recent experience with similar projects
Good communication and follow through, but work needed more attention to detail and variety/creativity.
To client:
5
Dec 2025 - Jan 2026 1 hrs @ $19.06/hr Billed: $22.24
Framer Website and Ecommerce Redesign Specialist Needed
No feedback given
To client:
5
Sep 2025 - Dec 2025 FIXED $100.00
Book Design and Creation
No feedback given
Aug 2025 - Dec 2025 FIXED $52.50
Looking for Front End Development Assistance
To freelancer:
5
Great communication, patient and creates solid work. Kind person as well.
To client:
5
Ray is great to work with, clear, collaborative, and always brings good ideas. Would happily work with him again.
Aug 2025 - Dec 2025 FIXED $200.25
Japanese Speaker Contact Facilitation
No feedback given
Nov 2025 - Dec 2025
Brand-Defining Webflow Websites Needed
To freelancer:
5
Great communication and creativity as well as attention to detail. I look forward to working with Jonah again.
To client:
5
Ray was excellent throughout the project. He’s professional, easy to communicate with, and genuinely down-to-earth. I wo…Ray was excellent throughout the project. He’s professional, easy to communicate with, and genuinely down-to-earth. I would gladly recommend working with him.
Aug 2025 - Nov 2025 FIXED $1,805.25
Licensed Psychologist for Cognitive Testing
To freelancer:
5
Good communication but requires specific direction for optimized work.
To client:
5
Sep 2025 - Oct 2025 FIXED $120.00
Front end developer with UXUI capabilities needed
To freelancer:
5
Amazing communication and professionalism. Trustworthy and helpful. Definitely would like to work with Iskuhi again in t…Amazing communication and professionalism. Trustworthy and helpful. Definitely would like to work with Iskuhi again in the future.
Great communication, attention to detail and quality work. Great to work with as well.
To client:
5
One of the best clients I've ever worked with... I really enjoyed the project, and I definitely recommend working with R…One of the best clients I've ever worked with... I really enjoyed the project, and I definitely recommend working with Ray.
Aug 2025 - Sep 2025 FIXED $152.50
Project Management Assistant for App Development
To freelancer:
5
Good communication and availability. I like that he takes action. Project management focused.
Working with Ray was great! He is very approachable and responds quickly, easy to work with.
Aug 2025 - Sep 2025 FIXED $100.00
Brand Identity & Touchpoint Designer
To freelancer:
5
Great communication and attention to detail. Cohesive design and good taste. I believe we created some good brand identi…Great communication and attention to detail. Cohesive design and good taste. I believe we created some good brand identity concepts together.
To client:
5
It was a pleasure working with Ray.
Aug 2025 - Sep 2025 FIXED $100.00
Brand Identity & Touchpoint Designer
No feedback given
To client:
4.55
Aug 2025 - Aug 2025 FIXED $100.00
Shopify Developer Needed for Landing Pages and Client Dashboard
To freelancer:
5
To client:
1.9
This project was originally agreed at $300, with four milestones set at $50, $75, $75, and $100. After the contract star…This project was originally agreed at $300, with four milestones set at $50, $75, $75, and $100. After the contract started, the client unilaterally reduced the first milestone from $50 to $10 and released only that amount. The remaining $290 in milestones was never funded or released, despite the fact that I delivered the agreed scope of work and even additional tasks that were discussed during meetings.
Communication was inconsistent — while some agreements were made over chat, important changes were discussed in Zoom meetings that were not recorded on the platform. This made it difficult to hold the client accountable for commitments.
Future freelancers should be cautious: make sure the full contract amount is funded in escrow, and only accept scope changes or payment agreements that are clearly documented in Upwork chat. In my case, despite months of work, I received only $10 out of the $300 agreed.
Jun 2025 - Aug 2025
Technical Writer Needed to Create SRS Document for Travel App (Togolist)
To freelancer:
5
Thank you for your attention to detail and flexibiltiy
To client:
4.65
Working with Felipe is great, he is a great client with clear set of requirements and good collaboration. I will be happ…Working with Felipe is great, he is a great client with clear set of requirements and good collaboration. I will be happy to work with him again.
Jun 2025 - Aug 2025 FIXED $150.00
Shopify Developer Needed for Landing Pages and Client Dashboard
No feedback given
To client:
5
May 2025 - Jun 2025 FIXED $50.00
Webflow Editor Needed
To freelancer:
5
To client:
5
Thanks for the TIP. It was a great experience working with you! Clear communication, timely feedback, and smooth collabo…Thanks for the TIP. It was a great experience working with you! Clear communication, timely feedback, and smooth collaboration made the project go perfectly. Would love to work together again in the future!
Jun 2025 - Jun 2025 FIXED $20.25
Booklet Graphic Desiging
To freelancer:
5
To client:
5
Always been an amazing Client to work with...
May 2025 - May 2025 FIXED $30.00
Experienced Pitch Deck Designer Needed
To freelancer:
5
Appreciate your help on the slides and graphics.
To client:
5
Ray is such a great Client! He's supersweet and is flexible with the work, I would work with him again without any secon…Ray is such a great Client! He's supersweet and is flexible with the work, I would work with him again without any second thought.
We are seeking an experienced data engineer to design and deliver a comprehensive training program for aspiring data engineers. The program should cover key concepts, tools, and best practices in data engineering, including data warehousing, ETL processes, and cloud technologies. The ideal candidate will create engaging content, provide hands-on exercises, and ensure participants gain practical skills. If you have a passion for teaching and expertise in data engineering, we want to hear from you!
Fixed budget:
150 USD
12 hours ago
Client's recent history (9 works)
AWS Devops Traning/help
To freelancer:
5
Bala, has huge knowledge and expertise.
His way of working and approach was quick, precise and fruitful.
I will look co…Bala, has huge knowledge and expertise.
His way of working and approach was quick, precise and fruitful.
I will look consider him for my future projects as a mentor,leader and beyond.
To client:
5
Harish knows his exact requirements and present them in a humble way , its pleasure to work with him , would be pleasure…Harish knows his exact requirements and present them in a humble way , its pleasure to work with him , would be pleasure for any person to work with him.
Tutor needed for learning Capsim Simulation in mba
No feedback given
To client:
5
Jan 2023 - Feb 2023 8 hrs @ $15.75/hr Billed: $118.14
Video Editor
To freelancer:
5
The service was quick and before time. He gave me few revisions and variations which turned out to be really good. He ad…The service was quick and before time. He gave me few revisions and variations which turned out to be really good. He added his creative style which I was into it.
Overall a quality work with in short time.
To client:
5
It was a fantastic experience working with Hareesh. He provided all the requirements to complete the job, and he is good…It was a fantastic experience working with Hareesh. He provided all the requirements to complete the job, and he is good at communication and very responsive so it was easy to proceed in a direction. I hope I get to work again with him.
Apr 2022 - Jun 2022 FIXED $15.00
CASE STUDY
To freelancer:
5
Great work, on time and dedicated. Crisp and legit content.
His skills are extreme and communication is fluent with a gr…Great work, on time and dedicated. Crisp and legit content.
His skills are extreme and communication is fluent with a great understanding. I will always consider him for any complex work to get it done on time.
Jul 2020 - Jul 2020 FIXED $100.00
Marketing Review Paper
To freelancer:
5
flexible and dedicated work.
Jun 2020 - Jun 2020 FIXED $150.00
White Paper
To freelancer:
5
His works is more than what i expected. It all comes with experience and knowledge and he have all the skills need. An S…His works is more than what i expected. It all comes with experience and knowledge and he have all the skills need. An SME.
