London-based Senior Software Engineer – FinTech Platform

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