> Markdown version of [/jobs/ext/2808149-c-developer](https://www.wearedevelopers.com/jobs/ext/2808149-c-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # C# Developer - **Company:** Goodman Masson - **Location:** Greater London, UK - **Contract:** Temporary contract - **Skills:** Query Performance, Acceptance Test-Driven Development, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Microsoft SQL Server, Performance Tuning, Query Optimization, SQL Stored Procedures, SQL Databases, Data Streaming, Transact-SQL, Delivery Pipeline, Indexer, Backend, Git, Front End Software Development, Restful APIs, Web Api, Microservices - **Published:** September 9, 2026 - **Apply:** https://www.collegerecruiter.com/job/2856366306-c-developer ## About the Role * You have strong, hands-on commercial experience working as a dedicated C#/.NET Backend Software Engineer. * You bring advanced proficiency in Microsoft SQL Server, specifically with T-SQL query performance tuning, indexing, and execution plan optimization. * You hold a proven track record of building production-grade Web APIs and working with RESTful microservices. * You possess solid experience with automated testing, Git, and CI/CD deployment pipelines in Azure DevOps. * You are highly autonomous, comfortable diving straight into complex backend codebases, and focused purely on writing clean, scalable code. If you are a pure C# engineer looking for a high-impact, backend contract without the noise of frontend or multi-language clutter, this is an ideal project. ## Description We are seeking a pure software engineer with deep, hands-on expertise in backend C# engineering and SQL database performance tuning from any industry background. The business is currently accelerating a major backend integration programme to connect core internal systems with external platforms. They need a specialist who has deep experience in server-side C# code, RESTful APIs, and database engineering., * Focus on backend architecture while building and optimising high-throughput integration pipelines and core services. * Design, build, and consume production-grade RESTful APIs and microservices to facilitate seamless data flows. * Execute complex database engineering tasks in SQL Server (T-SQL), including query optimization, index tuning, and writing complex stored procedures. * Ensure all backend code is resilient, test-driven, and deployed via modern CI/CD pipelines in Azure DevOps. * Work closely with engineering leads to unblock complex backend logic and meet strict project delivery milestones. ## Related Videos - [Why you must use TDD now!](https://www.wearedevelopers.com/videos/114-why-you-must-use-tdd-now) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Web APIs you might not know about](https://www.wearedevelopers.com/videos/281-web-apis-you-might-not-know-about) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Is it still C#? Practical systems programming with .NET (war stories included)](https://www.wearedevelopers.com/videos/100138-is-it-still-c-practical-systems-programming-with-net-war-stories-included) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk)