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Freelance OpenAI Developer - Qaiser Mehmood
Freelance OpenAI Developer5.0 (7 reviews)

I am a Senior Software Engineer and Solution Architect with over 21 years of hands-on experience in software development. I specialize in ***C#, .NET, SQL Server, Python automation, and AI Agents.*** I help teams and businesses build, fix, and optimize complex systems where ***performance, scalability, reliability, and intelligent automation*** are critical. ***What I Do Best*** ***.NET & Backend Systems*** - ASP.NET Core APIs and enterprise backend systems - Blazor Server & WebAssembly applications - Clean Architecture and scalable system design - Debugging and resolving production issues ***Python Development & AI Agents*** - Building intelligent AI agents and LangChain-style workflows - Automation scripts for repetitive business processes - Data processing and transformation pipelines - API integrations and system automation - Quick prototypes and proof-of-concept tools ***SQL Server & Data Engineering*** - Complex SQL query design and optimization - Stored procedures, indexing, and performance tuning - Large dataset handling and reporting systems - Data import/export and ETL-style processes ***Architecture & Consulting*** - System design and architecture reviews - Performance optimization strategies - Legacy system refactoring - Technical mentoring and debugging guidance ***Real-World Experience*** I have delivered solutions for: - Enterprise business applications with complex workflows - High-volume data processing and reporting systems - API-driven integrations and microservices - Python & .NET automation tools - ***AI agents*** that significantly improve company workflows and operational efficiency My focus is always on delivering clean, maintainable, production-ready code with clear explanations. ***Technologies I Work With*** ***Core Stack*** - C#, .NET, ASP.NET Core - Blazor Server & WebAssembly - Python (automation, scripting, AI agents, LangChain) - SQL Server (T-SQL, optimization, indexing) ***Supporting Tools*** - Entity Framework Core, ABP Framework - REST APIs & Microservices - Radzen / Telerik UI components - OpenAI, Anthropic, LangChain ***Problems I Commonly Solve*** - Slow or inefficient SQL queries - .NET backend performance issues - Broken or unstable APIs - AI agent development and intelligent automation - Complex debugging and production problems - Architecture design and legacy refactoring ***How I Work*** - Fast root-cause analysis and structured debugging - Clean, maintainable code with step-by-step explanations - Balance between quick fixes and long-term scalable solutions ***Availability*** Available for 1:1 sessions in: - .NET / Blazor / SQL troubleshooting - AI Agents & Python Automation - System design and architecture reviews - Long-term consulting or development support

Freelance OpenAI Developer - Kazi Sohan
Freelance OpenAI Developer5.0 (153 reviews)

I love to teach what I know. I think I can explain things easily with examples. I have been working as a Software Engineer for the last 5 years and have worked with some of the world's most reputed companies like **Open AI, Scale AI, Doloras Lab**, etc as a freelancer.

Freelance OpenAI Developer - Umair Jameel
Freelance OpenAI Developer5.0 (18 reviews)

● AI Powered development using Javascript and its frameworks/libraries like Angular, React, Next.js, Express, Node, Express, mongodb, mongoose etc. ● AI agents, prompt engineering, RAG, MCP servers, vibe coding. ● Full stack development in next.js including frontend, backend and databases. ● Architecture projects from scratch as well as building new features in existing projects. ● Debug and fix errors in existing projects. ● Database architecture using mongodb, postgres, ORMs like prisma and drizzle. ● Implement the best practices of code structure, logic building and making code efficient. ● Follow pure Object Oriented Programming and Data Structures for solving problems. ● REST API development using node and its frameworks (mainly express). ● Know best practices of writing test cases (it includes unit testing and automation testing). ● Decision making in choosing programming languages, frameworks and libraries for a particular project. ● Good communication skills and understanding client requirements. ● Do research and development to stay up to date with new technologies and always keen to adopt better approaches in solving any kind of problem. ● Experience in CI/CD, docker, github actions etc. ● Teaching experience for over 5 years now. These are some projects I have worked on: https://learnwith.flashclass.io/ https://www.getconch.ai/ https://eahousing.es/ https://www.blackbox.ai/ https://unation.com/

Freelance OpenAI Developer - Emerson Freitas
Freelance OpenAI Developer5.0 (6 reviews)

Expertise in code reviews and debugging. I want to help to get stuff done with coding.

Freelance OpenAI Developer - Tanisha Bhayani
Freelance OpenAI Developer5.0 (318 reviews)

8 years of experience in building and managing AI Systems. * I develop end-to-end AI systems from requirements analysis, and data gathering to deployment, implementing new methods/research papers, and turning projects into research outcomes. I have achieved substantial performance in DL/ML/RL models for CV and NLP domain problems. * Implementing and deploying projects handling and maintaining scalability, research papers as well as POCs. * Project planning, requirements gathering, and analysing requirements to define the system's architecture, and implementation timeline. * Provide mentoring to junior developers for ML projects. Website: [roshantanisha.github.io/?ref=codementor](http://roshantanisha.github.io/?ref=codementor) Summary: I like to work on technology that is smart, simple and sophisticated. This sums up the vast knowledge required to work on projects to excel in a working product. I like to train Deep Neural Networks and understand them well. I have mentored many students for their AI careers, teaching them Machine Learning and Mathematics. I am a mentor for the RFS (Reach for the Stars) Programme by the Aga Khan Education Board for India. I am an alumnus of this program as well. I have a cumulative experience of 8 years working in the product and service-based industry for creating Machine Learning projects. I have done some innovative work that I am proud of and am continuing to do so. I try my best to contribute my expertise to the project I am working on. Highly Experienced in Machine Learning, Deep Learning, Advanced Deep Learning, Artificial Intelligence, and Algorithms, including models in the production environment, and deploying ML models. Working with top Indian colleges like BITS, niche NLP and CV, real-estate startups, MNCs, and Fortune top 20 companies, working with sensitive anonymized datasets, and creating state-of-the-art models are some of my achievements. I have strong and correct knowledge of Deep Learning concepts from the above experiences.

Freelance OpenAI Developer - Nishant Tiwari
Freelance OpenAI Developer

- A Full-stack software developer - Passionate about new technologies - Always ready to help - Experience .Net ecosystem, Java and react - Clean coder

Freelance OpenAI Developer - Avadhesh Sengar
Freelance OpenAI Developer

🚀 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁 | 𝟭5+ 𝗬𝗲𝗮𝗿𝘀 𝗶𝗻 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 & 𝗦𝗲𝗰𝘂𝗿𝗲 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 I specialize in designing and delivering high-performance, scalable, and secure applications across enterprise and cloud environments. With proven expertise in .NET (Core 7/8/9), Azure & AWS Cloud, Data Engineering, and AI-powered integrations, I help organizations modernize systems, optimize performance, and drive innovation. 🔑 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 ➡ 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 & 𝗦𝗰𝗮𝗹𝗮𝗯𝗶𝗹𝗶𝘁𝘆 → Microservices, REST APIs, Windows Services, Cron Jobs, Performance Optimization, Security Implementations. ➡ 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗮𝘁𝗮 → Azure Logic Apps, Azure Semantic Search, Redis Cache, Azure Sql, AWS Cloud, MS SQL, PostgreSQL, Snowflake, Airflow, Python, Data Processing Pipelines, ETL, Akamai CDN. ➡ 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 & 𝗧𝗼𝗼𝗹𝘀 → [ASP.NET](http://asp.net/) Core, .NET 8,9, C#, EF Core, Python, Django, FastAPI, jQuery, Bootstrap, OpenXML, GitHub, Bitbucket, TFS, JIRA. ➡ 𝗔𝗜 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻→ AI Tools Integration, Intelligent Search, Workflow Automation. 🏆 𝗥𝗲𝗰𝗼𝗴𝗻𝗶𝘁𝗶𝗼𝗻 ✔ Employee of the Quarter – Telus Digital. ✔ Employee Recognition Award – Thomson Reuters Elite. ✔ Contributed to Swayam (Gov. of India initiative) in collaboration with Microsoft & AICTE. 💡 𝗣𝗮𝘀𝘀𝗶𝗼𝗻𝗮𝘁𝗲 𝗮𝗯𝗼𝘂𝘁 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗲𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲-𝗴𝗿𝗮𝗱𝗲, 𝗰𝗹𝗼𝘂𝗱-𝗳𝗶𝗿𝘀𝘁, 𝗮𝗻𝗱 𝗔𝗜-𝗱𝗿𝗶𝘃𝗲𝗻 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 𝘁𝗵𝗮𝘁 𝗱𝗲𝗹𝗶𝘃𝗲𝗿 𝗺𝗲𝗮𝘀𝘂𝗿𝗮𝗯𝗹𝗲 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗶𝗺𝗽𝗮𝗰𝘁. Looking for any long term engagement/Mentoring of .Net, Python, Django etc. project.

Freelance OpenAI Developer - Calvin T
Freelance OpenAI Developer5.0 (432 reviews)

- 5+ projects in freelancing mobile+website games in Construct 3 for clients - 1 year of daily tutoring in Construct 3 and C++ - 3 years of school learning experience with Java - 5 months of tutoring in Unity game dev - published one commercial Construct 2 game on Wii U "Reversi 32" - tutored Intro to Computer Science material using Python with Minecraft every week since Dec 2019

Freelance OpenAI Developer - Edward Paul
Freelance OpenAI Developer5.0 (23 reviews)

**Hi there!** I'm Edward, a Senior Software Engineer with over 10 years of experience building robust, scalable, and secure web and mobile applications. I specialize in full-stack development with a strong focus on PHP (Laravel, Yii2, CodeIgniter), JavaScript (Vue.js, React, React Native), and WordPress (custom plugins and themes). I also have solid experience with **Python**,, API development, and DevOps tooling. On the cloud side, I’m well-versed in AWS, think EC2, RDS, S3, Lambda, CloudFront and have hands-on experience with Kubernetes and Docker for containerized deployments. I’ve designed and deployed infrastructure that scales and survives traffic spikes. What sets me apart? I don't just build, I optimize, secure, and scale. From tuning high-performance databases to implementing idempotent APIs and running secure CI/CD pipelines, I bring both engineering depth and business awareness to every project. I'm also skilled in penetration testing and application security, so your apps are not just fast, they’re safe. Looking for someone who can take your product from idea to scale or make your current infrastructure bulletproof? Let’s talk.

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Frequently asked questions

How long do OpenAI projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance OpenAI project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance OpenAI request on Codementor, check out our article.

How much does it cost to hire a freelance OpenAI developer?

We don’t charge anything when you post a freelance hiring request for OpenAI developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor OpenAI developers different?

We do a comprehensive technical and communications screen of all OpenAI developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing OpenAI developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your OpenAI project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

For more answers to frequently asked questions, see here.

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