https://jobs.co.uk/job/c-net-developer-randstad-technologies-recruitment--2b55566d-e638-40fb-b533-0a28a0d22c28 RSS feed for C# .Net Developer at Randstad Technologies Recruitment. en-gb Mon, 15 Jun 2026 14:52:25 GMT https://jobs.co.uk/job/c-net-developer-randstad-technologies-recruitment--2b55566d-e638-40fb-b533-0a28a0d22c28 https://jobs.co.uk/job/c-net-developer-randstad-technologies-recruitment--2b55566d-e638-40fb-b533-0a28a0d22c28 Mon, 15 Jun 2026 11:50:42 GMT Location: London | Salary: 550.00-550.00 Daily | Type: Contract | Senior C# / .NET Developer (Securities Lending and Repo)Role Type: 6-Month ContractLocation: London (Hybrid - 3 days onsite per week)IR35 Status: Inside IR35Role OverviewA leading global financial services and asset servicing institution is seeking an experienced Senior C# / .NET Developer to join a business-critical technology team in London.This role focuses on designing, building, and supporting high-performance platforms for the firm''s financing-related businesses, with a primary emphasis on Securities Lending and Repo workflows. Required Skills and ExperienceCore Technical Skills:Strong hands-on expertise in C# and .NET / .NET Core.Deep understanding of Object-Oriented Programming (OOP) and architectural design principles.Proven experience building and implementing REST / JSON APIs.Solid experience with relational databases (e.g., SQL Server).Familiarity with unit/integration testing and automated CI/CD pipelines.Financial Domain Knowledge (Essential):Proven background in Financing platforms, specifically Securities Lending, Repo, or Collateral/Margin management.Strong general knowledge of financial markets, with a specific focus on equities and bonds.Prior exposure to comple... Contract