> Markdown version of [/jobs/ext/3563254-backend-engineer-c-net-fintech-newcastle](https://www.wearedevelopers.com/jobs/ext/3563254-backend-engineer-c-net-fintech-newcastle). 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). --- # Backend Engineer - C#.NET | FinTech (Newcastle) - **Company:** Client Server - **Location:** Newcastle upon Tyne, UK - **Contract:** Permanent contract - **Skills:** Big Data, C Sharp (Programming Language), Client Server Models, Distributed Systems, Python (Programming Language), .NET Core, Backend, Information Technology - **Published:** October 3, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2998954418-2 ## About the Role The ideal candidate holds a 2.1 BSc in Computer Science or similar, with strong modern software engineering fundamentals, and optional Python skills. ## Description Client Server Limited is seeking a Backend Software Engineer in Newcastle upon Tyne to design and develop backend services using modern C# .NET Core. You will work on distributed systems handling large data volumes with emphasis on performance and reliability, in a full-time onsite role.