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# London-based Senior Software Engineer - FinTech Platform

- **Company:** Barclays Bank PLC
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** C Sharp (Programming Language), Python (Programming Language), Microsoft SQL Server, .NET Core, Build Management, Containerization, Restful APIs, Docker
- **Published:** May 13, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/36181920/

## About the Role

Barclays seeks a Senior Software Engineer in London to design and build scalable C# (.NET/.NET Core) and Python calculation engines. The role involves developing data models in SQL Server, delivering low-latency REST APIs, and collaborating with stakeholders for accurate billing outputs. Ideal candidates will have strong experience in financial applications, containerisation with Docker, and an understanding of real-time updates. Joining Barclays offers an opportunity to work in a dynamic environment at the forefront of technology.
#J-18808-Ljbffr



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