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Permanent

Senior C# / .NET Developer (Risk/ Securities Lending) - Banking

Robert Walters
London
money-bag £10000 - £500000 Annual
Posted: 01 September 2026 (Today)
Closing date: 01 October 2026
Ref: 3161806471

My prestigious financial service client is seeking an experienced C# / .NET Developer to design, develop and support high-performance applications across Risk Management and/or Securities Lending platforms. You will work closely with quants, risk managers, business analysts and product owners to deliver scalable solutions in a regulated financial-services environment. What you''ll do: Design, develop, and maintain C# / .NET applications supporting Risk or Securities Lending platforms Design and integrate RESTful APIs Build scalable, testable and maintainable solutions Support risk, exposure, limits and reporting workflows Work with large data sets and high-throughput systems Participate in technical design, code reviews and production support Collaborate with Risk, Front Office, Operations and Compliance teams What you''ll bring: Strong C# and modern .NET experience Excellent OOP and software-design skills Experience with REST APIs, JSON and SQL databases Experience with cloud platforms (Azure / AWS) Hands on with messaging technologies (e.g. Kafka) Experience in front to back trading or financing systems Familiarity with Agile / Scrum delivery methodologies Exposure to risk and regulatory methodologies such as: RWA (Risk Weighted Assets); CCAR or Basel III / Basel IV frameworks are highly beneficial Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all ..... full job details .....

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