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Scope of Product – Driving Simulator Software

The product is a software-integrated driving simulator designed for driving school training and evaluation. The simulator combines custom-built hardware (steering wheel, pedals, cockpit, and sensors) with advanced simulation software to replicate realistic driving environments.

The system will consist of the following components:

• Driving Simulation Engine
Integration of a professional simulation environment using AI technologies together with Unreal Engine 5, CARLA Simulator, and NVIDIA Omniverse Cosmos to generate realistic road scenarios, traffic behavior, and physics-based vehicle dynamics.

• Hardware–Software Interface
Development of scripts and API integrations to connect custom simulator hardware (steering wheel, pedals, sensors, and microcontrollers such as Arduino or Raspberry Pi) with the simulation engine in real time.

• Training & Evaluation Module
Implementation of driving scenarios that allow users to practice driving tasks and receive automated feedback on their performance.

The initial goal is to build a functional prototype (MVP) that demonstrates:

Real-time driving simulation software

Creation of custom maps and driving environments

Basic scenario management

Data collection and analysis for driving performance

Scope of Product/ Software for driving simulator prototype and the responsibilities you listed. Here is a clear professional scope that matches your description.


The product is a software-integrated driving simulator designed for driving school training and evaluation. The simulator combines custom-built hardware (steering wheel, pedals, cockpit, and sensors) with advanced simulation software to replicate realistic driving environments.
The system will consist of the following components:
• Driving Simulation Engine
Integration of a professional simulation environment using AI, Unreal Engine 5 (UE5) and the CARLA autonomous driving simulator to generate realistic road scenarios, traffic behavior, and physics-based vehicle dynamics.
• Hardware–Software Interface
Development of scripts and API integrations to connect custom simulator hardware (steering, pedals, sensors, and microcontrollers such as Arduino or Raspberry Pi) with the simulation engine in real time.
• Training & Evaluation Module
Implementation of driving scenarios that allow users to practice driving tasks and receive automated feedback on performance.
• Digital Platform Integration
Connection of the simulator system with additional digital services including:
– Document Pre-check Platform
– Driving Instructor Marketplace
– Questionnaire App for user onboarding
• Prototype (MVP) Focus
The initial goal is to build a functional prototype (MVP) that demonstrates:
– Real-time driving simulation
– Hardware input integration
– Basic scenario management
– Data collection for driving performance

We are seeking a Radio Frequency Power Amplifier Design Expert with experience in the defense aerospace industry to assist with various customer-defined projects. The ideal candidate will be a US citizen and possess a strong background in RF design principles, circuit simulation, and amplifier optimization. You will collaborate with our engineering team to develop innovative solutions that meet stringent performance and reliability standards. If you have a passion for cutting-edge technology and a proven track record in RF amplifier design, we would love to hear from you.

**Skills Required:**
- RF Circuit Design
- Power Amplifier Design
- Simulation Software (e.g., ADS, AWR)
- Signal Integrity Analysis
- Knowledge of Defense Standards

Scope of Work: Hydraulic Simulation of Water Spray Manifold System

I require a hydraulic simulation of a water spray piping manifold installed inside a circular drum. The objective is to verify that each spray hole (nozzle) receives the required pressure and flow rate under the given operating conditions. The manifold distributes water through multiple small spray holes, and the simulation should confirm whether the design achieves uniform flow distribution and minimum pressure requirements at each spray point.

Objectives: The simulation should determine:
Pressure distribution along the spray manifold.
Flow rate through each spray hole.

Verification that each spray hole receives:
Minimum pressure: 2.5 barg
Minimum flow rate: 2.5 L/min

Identification of any uneven distribution or pressure drop issues along the manifold.
Recommendations for design improvements if the current configuration does not meet the required performance.

System Description
Pump Supply
Pump flow rate: 60 m³/hr
Pump head: 25 meters

Main supply header size: 4-inch pipe
Height difference between pump and manifold: 6 meters
Spray Manifold
Pipe internal diameter (ID): 2 inches
Pipe material: Polypropylene (PP)
Total manifold length: 13 meters
Orientation: Horizontal
Distribution type: Dead-end manifold

Spray Holes / Nozzles
Total holes: 26
Hole diameter: 1/8 inch
Hole spacing: 300 mm
Arrangement: Equally spaced around the ring

Fluid Properties
Fluid: Water
Temperature: Ambient
Properties: Standard water at atmospheric conditions

Simulation Requirements
The freelancer should perform:
Hydraulic / CFD analysis of the manifold.
Calculation of:
Pressure drop along the manifold
Flow distribution across all 26 holes
Evaluation of the dead-end manifold configuration.
Validation that each hole achieves ≥2.5 barg and ≥2.5 LPM.

Deliverables
The freelancer should provide:
Simulation report (PDF)
Pressure distribution along the manifold
Flow rate per spray hole

Summary of whether design meets requirements
Recommendations for improvement if necessary

Preferred Tools
Any of the following tools are acceptable:
SolidWorks Flow Simulation
OpenFOAM
PipeFlow / AFT Fathom
Equivalent hydraulic simulation software

Skills: Engineering, Piping, Simulation, Computational Fluid Dynamics, Process Simulation, Design Optimization

VAM Systems is a Business Consulting, IT Solutions and Services company.
VAM Systems is currently looking for Developer- SharePoint & Automation for our Bahrain operations with the following skillsets and terms & conditions:
Years of Experience : 7 - 10 years

Qualification

BE Computer Science and Engineering

Professional Qualification Required

SharePoint 2019, PowerAutomate, Office365, SPFX, React, NodeJS, JavaScript, CSS
Experience

Working knowledge of SharePoint technologies On-Premise and Cloud.
working knowledge of React and NodeJs
Working knowledge of PowerAutomate
Knowledge of technology stacks used in Application development, Web applications.
Knowledge of UI design and CSS
Experience with Java Script, Jquery and TypeScript.
Ability to design and develop workflow using PowerAutomate, SharePoint Designer and Nintext Workflows.
Experience with DevOps, Scrum and agile methodologies.
Experience with the system integrations and using Restful, SOAP and any other integration model
Responsibility

Develops software solutions by studying requirements analysis and information needs; conferring with stakeholders and IT Management; studying systems flow, data usage, and work processes; performs software design using software development fundamentals and processes, debug, test, and deploy software solutions.
Design, develop and maintain key components of the software suite using .NET Core, NodeJs, PowerAutomate, and SharePoint Server 2019 and SPFX using react.
Implementation of SharePoint and PowerAutomate based workflows as well as development of Business Intelligence dashboards.
Documents and demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code.
Build proof of concept examples or graphical simulation software. Then maintain product test software and demos for training purposes..
Actively participate in product design reviews by providing creative and practical ideas and solutions in a teamwork environment. A wide degree of creativity and latitude required.
Build workflow forms using SharePoint Designer, and PowerApps/Flow and
Power Automate.
Code pages using HTML5, JavaScript, and Typescript, jQuery, CSS, SQL, Bootstrap or responsive design for all devices.

We are looking to hire Senior Full-Stack Web / Software Developer (Platform Maintenance & Development) , at a start-up project

Role Summary
We are seeking an experienced Full-Stack Developer to maintain, optimize, and scale the platform. The ideal candidate will be responsible for the ongoing development, maintenance, performance optimization, and security of both frontend and backend systems, ensuring the platform remains stable, secure, and scalable as it grows.
The role requires strong experience with modern web technologies, cloud infrastructure, APIs, and large-scale platform management.

Key Responsibilities

Platform Maintenance:

Maintain and improve the frontend and backend architecture
Monitor platform performance and resolve issues quickly
Ensure high availability and uptime
Development:
Implement new platform features and enhancements
Develop scalable backend services and APIs
Improve UI/UX performance and responsiveness
Security:
Ensure strong data protection and cybersecurity
Implement authentication, authorization, and encryption protocols
Conduct regular security audits and updates
Infrastructure:
Manage cloud hosting and server infrastructure
Maintain CI/CD pipelines
Optimize system performance and scalability
Database Management:
Design, maintain, and optimize databases
Ensure data integrity, backups, and recovery procedures

Collaboration:
Work closely with product managers and leadership
Translate platform requirements into technical solutions
Support ongoing innovation within the platform


Required Technical Skills

Frontend Development:
React.js / Next.js / Vue.js
HTML5, CSS3, JavaScript / TypeScript
Responsive and mobile-first design
UI frameworks (Tailwind, Bootstrap, Material UI)

Backend Development:
Node.js / Python / Django / Laravel / Ruby on Rails
RESTful APIs and microservices
Server-side architecture design

Database:
PostgreSQL / MySQL
MongoDB / NoSQL
Database optimization

DevOps & Infrastructure:
AWS / Google Cloud / Azure
Docker / Kubernetes
CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI)
Security:
OAuth / JWT authentication
API security
Web security standards (OWASP)
Other Skills:
Git version control
Testing frameworks
Performance optimization

Preferred Qualifications:
5+ years experience in full-stack development
Experience managing large platforms with high traffic
Experience building SaaS platforms
Knowledge of AI integration or simulation platforms (optional but valuable)
Strong problem-solving skills
Ability to work independently and manage technical decisions

Nice-to-Have Skills:
GraphQL
Redis / caching systems
Real-time systems (WebSockets)
Machine learning integrations
Experience in healthcare or simulation software

Employment Type: Remote/Hybrid

Deadline for Applications on 31/03/2026 , Interviews will be virtual for shortlisted candidates.

We are seeking skilled Unity developers to assist in the creation of golf courses and foliage assets for the OpenGolfSim indoor golf simulation software. Your expertise will contribute to crafting golf course environments, assets and unity building tools in an effort to build out our game and course building process. Ideal candidates will have a strong background in Unity development, with experience in asset creation and optimization for simulation software running on unity 2022, desktop and mobile versions. If you have a passion for golf and game development, we want to hear from you!

I am looking for someone who can create biomass gasification from EFB and carbon capture by MEA. The result for both biomass gasification and carbon capture by MEA need to be validated with results from the journals (biomass gasification and carbon capture by MEA has their own experimental journal). Both of them needs to be done by Aspen Plus.

At the first stage, there are 2 different simulation : biomass gasification & carbon capture using MEA. The biomass gasification simulation needs to have the same result of syngas composition (CH4, CO, CO2 and H2) with the result from journal. The result needs to be validated based on the temperature at 650,700,750,800,850 and 900 Celcius. While for the MEA-carbon capture, the results need to be validated by the concentration of the MEA at 30%, 50%,70% and 90wt% of MEA.

Then both of the simulations need to be combined so that sensitivity analysis can be done for : 1. The temperature of biomass gasfication effect to syngas composition 2. The effect of steam/biomass ratio to syngas composition 3. The concentration of MEA effect to carbon capture efficiency.

I also can give those 2 simulations where I have done and you need to troubleshoot any error and then combine both of them.

• show you have done any Aspen Plus simulation in past?
• After checking attachments write down all possible questions?

Scope of Work
The statistician will be asked to: Review the manuscript, with emphasis on the statistical methods and results sections. Check the appropriateness of the statistical tests and modelling used, including:
Statistical Methods, including sample size calculations and analysis
Descriptive statistics
Repeated‑measures regression modelling
Interpretation of odds and associated inferences

Verify that assumptions, analytical decisions, and reporting standards meet the expectations for peer‑reviewed publication.

Provide brief written feedback identifying:
Any methodological or analytical issues that require correction
Recommended improvements
Clarifications needed for accuracy or transparency

Time Expectation
The consultation should not exceed 3–5 hours total, including review and written feedback.

Deliverables

A short-written summary (email or document) outlining:
Confirmation of correctness or recommended revisions
Any statistical issues requiring attention prior to submission
Any suggested improvements to clarity or interpretation

Intellectual Property
Both parties agree that all intellectual property associated with the manuscript and study remains the property of Melanie Lang. The statistician is providing consultation only and does not retain any ownership, authorship rights, or publication rights.

Timeline
Review and feedback must be completed before 15th March 2026 (negotiable).

Had an issue on the first post.

We're a bootstrapped startup still looking for our first sales. Despite having our first camera pieced together, we have started development of our in-house camera. Through an unusual group of folks and volunteers, we have a PCB board and mipi module ready for firmware - unfortunately our firmware person got promoted at work and we are in need of assistance to see if it can work.

We have a PCB and Mipi Module. We are looking for a dynamic local firmware coder who can help us get a prototype over the line. You'll need to work well with unconventional approaches and a group of people who care deeply for our mission to help lots of communities reduce risk from fire.

• Describe how you can jump into partially complete projects.

I have a series of chemistry simulations I have programmed in iOS I need ported to React.js to be mobile responsive. You will have the Xcode for the iOS apps.

Here is one such app ported by my past coder:
https://learning-chemistry.vercel.app/
https://learning-chemistry-stagingv2.vercel.app/

The other apps are similar, I have a stoichiometry app I need ported. I may have more apps to design from figma like blueprints, that will be a separate job for a coder that does a good job with this porting project.

I am NOT interested in vibe coders. Last time I posted this I got a series of USELESS VIBE CODED SAMPLES THAT WERE NOTHING LIKE THE ORIGINAL/AI PROMPTED SLOP. I have a background in front end, I know what good code looks like and good UI. Your cursor prompting skills do not impress me!

What I want if you're going to give me a sample, is something that, 1)HAS THE EXACT SAME VISUAL DESIGN AND UX (COLORS, CHARACTERS, GRAPHS, ETC.), 2)FUNCTIONS EXACTLY THE SAME AS THE ORIGINAL, NO SUBSTITUTES, NO VARIATIONS, 3)SHOWS ME IT CAN WORK ON MOBILE WELL (RIGHT SCREEN SIZE, ALL BUTTONS CLICKABLE).

A candidate who can show me they can exactly replicate a small portion of my app for web will greatly impress me. You can use AI to cut down on development time/cost (expected and desirable in 2026), but I expect you to actually code the entire app, not just make a few prompts, with no hard work.

Ideal candidate has iOS and React.js experience. They also have done some kind of gaming/animation or STEM simulation background, ideally in chemical like processes.

The budget is for porting a single app. I am open to bids that are lower or a little higher depending on experience. Thanks!

I need a detailed physics-based simulation for autonomous robots operating in urban environments. The simulation should incorporate the following sensors: LIDAR, Camera, and Ultrasonic.

Key Requirements:
- Development of a realistic urban physics-based simulation.
- Integration of LIDAR, Camera, and Ultrasonic sensors.
- Focus on urban environment dynamics and challenges.

Ideal Skills and Experience:
- Expertise in simulation development, particularly physics-based.
- Experience with sensor integration
- Strong background in robotics and urban environment modeling.
- Proficiency in relevant simulation software and programming languages.

Skills: 3D Rendering, 3D Modelling, Robotics, Artificial Intelligence, Urban Design, Computer Vision, Simulation, 3D Visualization

Please be careful, you must create the 3 real PCBs; we are not interested in virtual projects.
After the 3 PCBs have been successfully tested here in our office, we will release the money following the rules of freelacer.com.

I will agree on the cost of the work and the time of execution with the developer.

I've already built some prototypes of a circuit capable of switching a single 230 V, 16–30 A line to 4, 8, or 12 outputs—without power loss—but none of them have reached the standards I expect.

I have schematics, calculations, thermal measurements, and test logs: enough material to clarify every technical detail and speed up your work. I need a senior designer who can transform all this into a final solution, complete with ESP32 firmware, a multilayer PCB (4 or 6 layers, JLCPCB production - 3oz copper), and an accurate and documented simulation before production.

Technical requirements to be met:
• Maximum energy efficiency, component protection, and precision switching under load.
• Integrated remote control, real-time monitoring, and an alarm system.
• Proficiency with the ESP32 IDE for firmware development.

• Use of "best-in-class" design and simulation software: Altium Designer, KiCad, or another platform that ensures thermal analysis, signal integrity verification, and credible power simulations.

Expected Deliverables
- Final schematics with optimized bill of materials.
- Production-ready PCB layout (JLCPCB, Gerber, pick-and-place, stack-up).
- Simulation reports (thermal, current, transients).
- Working ESP32 firmware with remote control, telemetry, and alarm interfaces.
- Lab testing instructions.

I will accept the project once it passes the load tests (30 A continuous), insulation verification, and full network functionality. I am available to provide additional measurements or arrange a video session to show you the hardware already built. If you have the right equipment and the power switching experience I'm looking for, let's get to work right away: I want to send the files to JLCPCB as soon as the circuit passes the simulations.

Skills: Electronics, Microcontroller, Electrical Engineering, PCB Layout, Embedded Systems, Thermal Analysis, Simulation, Altium Designer