Software Developer

Senior C# / .NET Developer | Financial Services (Risk & Securities Lending) Location: London (Hybrid) Role Type: 6 Months Contract, Rate: 585/day inside IR35 Are you an expert in C# / .NET with a deep understanding of the mechanics behind Risk Management or Securities Lending? We are looking for a Senior Developer to join a leading global financial institution, building high-performance systems that drive critical trading and financing workflows. The Opportunity You will play a pivotal role in designing and maintaining robust platforms used for complex risk calculations and high-throughput financial data processing. This is an environment where your technical expertise in Object-Oriented Programming (OOP) and API design will directly impact global operations and regulatory compliance. Key Responsibilities Engineering: Build scalable, testable, and maintainable applications using .NET Core and RESTful APIs. Risk Workflows: Implement exposure calculations, limit monitoring, and reporting systems. Collaboration: Work alongside Quants, Risk Managers, and Front Office teams to translate business needs into technical reality. Architecture: Participate in high-level technical design and architectural discussions to evolve the platform. Requirements Technical Core: Extensive experience in C#, .NET, SQL Server, and CI/CD pipelines. Domain Expertise: Proven track record in Financial Services, specifically within Risk, Securities Lending, Prime Brokerage, or Collateral. Regulatory Knowledge: Familiarity with frameworks such as Basel III/IV, RWA, or CCAR is highly beneficial. Experience: Ideally 10+ years of professional experience in complex, regulated environments. Why Apply? This role offers the chance to tackle the technical challenges of front-to-back trading systems while working with large-scale data sets in a collaborative, Agile environment. If you are a delivery-focused developer who enjoys solving intricate analytical problems, we want to hear from you. Please apply here or share your updated resume to (url removed) Randstad Technologies is acting as an Employment Business in relation to this vacancy