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Top freelance T-SQL developers available to hire

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

I'm a **Senior .NET & AI Architect with 21+ years** of experience helping developers, startups, and engineering teams solve difficult technical problems. Whether you're a beginner using AI to build software ("vibe coding") or an experienced developer building enterprise applications, I can help you move faster using modern AI tools like **Claude, Cursor, ChatGPT, GitHub Copilot, and Gemini, Antigravity**. **I can help with:** - Blazor Server & WebAssembly - ASP.NET Core & .NET - ASP.NET ZERO AND ABP Framework - C# debugging and performance optimization - AI Agents & LLM integrations - Claude Code, ChatGPT, GitHub Copilot workflows - Semantic Kernel, LangGraph & Model Context Protocol (MCP) - Entity Framework Core & SQL Server - Architecture reviews - Code reviews and pair programming - Bug fixing and production issues - Azure deployment & CI/CD My mentoring style is practical and hands-on. Whether you're fixing a production bug, building an AI-powered application, or trying to get Claude to generate better code, we'll identify the root cause, solve the problem together, and make sure you understand the solution. If you're stuck, let's get you unstuck.

Freelance T-SQL Developer - Carlos Barini
Freelance T-SQL Developer5.0 (2 reviews)

Power Apps Python Data Science Artifical Intelligence (graduated) Visual Studio developer (MVC, MVVM, C#, webservices, mobile integrations) MCSA, MCSE, MCDBA Oracle Business Intelligence Analyst T-SQL (SQL Server) and PL-SQL (Oracle) Android, iOS, Windows phone developer Arduino skills

Freelance T-SQL Developer - James Duvall
Freelance T-SQL Developer5.0 (1 reviews)

I have worked at large corporations, startups, and consulting companies. Challenges excite me, and I love helping people learn to solve their own problems with technology. My last 11 years have been focused on GIS development, but I still write software just the same. Happy to help, what're we waiting for?

Freelance T-SQL Developer - Lionel Roodyn
Freelance T-SQL Developer

I guide motivated non-developers to build **fully-functional C# desktop applications** backed by a *normalized SQL database*. Stop wasting time with scripts; learn professional **3-Tier architecture** to create your custom, reliable data solution **from scratch**.

Freelance T-SQL Developer - Sai Lee
Freelance T-SQL Developer5.0 (157 reviews)

Languages: English only I am Senior Software Developer specialising in C#, .NET, .NET Core, SQL and mentoring junior developers. I'm from England, UK and I graduated from university in 2014 with a 2:1 BSC degree in Computing. If you need any help with anything, drop me a message and we can arrange a call and screen sharing session over Zoom.

Freelance T-SQL Developer - Govind Sahai
Freelance T-SQL Developer5.0 (53 reviews)

I am an expert C++, Python, Golang developer with over eight years of experience. I am highly talented and skilled in problem-solving and understanding complex and large codebase.

Freelance T-SQL Developer - Jon Davis
Freelance T-SQL Developer5.0 (46 reviews)

I've been doing development in software (primarily .NET) and on the web professionally since 1997. I've primarily focused on the Microsoft stack (C#, ASP.NET, MSSQL, IIS, etc), but complementing this I am also very strong in front-end development with HTML, CSS, and Javascript. My expertise does *not* extend to non-.NET server frameworks. I've worked with some of the other server frameworks but I'm not expert in them.

Freelance T-SQL Developer - Yonas Woldemariam
Freelance T-SQL Developer5.0 (58 reviews)

Senior Software Engineer | Full Stack Senior .NET Developer with over 20 years of experience in both greenfield and brownfield development, designing, developing, and optimizing complex, scalable applications across legal, healthcare, government consulting, retail workforce management, benefits administration, and programmatic media advertising. Proven ability to lead teams, mentor developers, and implement solutions for complex systems while adhering to best practices and modern design patterns

Freelance T-SQL Developer - Sébastien Arnaud
Freelance T-SQL Developer5.0 (23 reviews)

Sébastien Arnaud is a French Software Architect, Engineer, and Inventor. With a passion for Data Science, in particular Machine Learning, General Game playing, Natural Language Processing and Text Analytics, Sébastien is an entrepreneur, who loves turning ideas into products, data into insights.

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Frequently asked questions

How long do T-SQL 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 T-SQL 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 T-SQL request on Codementor, check out our article.

How much does it cost to hire a freelance T-SQL developer?

We don’t charge anything when you post a freelance hiring request for T-SQL 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 T-SQL developers different?

We do a comprehensive technical and communications screen of all T-SQL 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 T-SQL 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 T-SQL 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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