https://jobs.co.uk/job/senior-c-net-developer-risk-amp-securities-lending-randstad-technologies-recruitment--92aeab81-0782-43d7-ad9f-a8aa99309f6c RSS feed for Senior C# / .NET Developer | Risk & Securities Lending at Randstad Technologies Recruitment. en-gb Wed, 22 Jul 2026 20:53:14 GMT https://jobs.co.uk/job/senior-c-net-developer-risk-amp-securities-lending-randstad-technologies-recruitment--92aeab81-0782-43d7-ad9f-a8aa99309f6c https://jobs.co.uk/job/senior-c-net-developer-risk-amp-securities-lending-randstad-technologies-recruitment--92aeab81-0782-43d7-ad9f-a8aa99309f6c Tue, 21 Jul 2026 23:00:00 GMT Location: London | Salary: £500 - £550/day | Type: Contract | Senior C# / .NET Developer | Risk & Securities Lending Location: London (Hybrid) Contract Duration: 6 Months Industry: Financial Services About the Opportunity Are you a seasoned C# engineer with a deep understanding of financial markets? We are seeking an experienced Senior C# / .NET Developer to join a high-performing technology team supporting critical Risk Management and Securities Lending platforms. In this 6-month hybrid contract, you will play a pivotal role in designing, building, and supporting high-performance systems used for complex risk calculations and trading/financing workflows. Working closely with quants, risk managers, and the Front Office, you will deliver scalable, robust solutions in a fast-paced, regulated environment. What You Will Do System Development: Design, build, and maintain high-performance C# / .NET applications supporting Risk and Securities Lending workflows. API Integration: Build and consume RESTful APIs to seamlessly connect complex upstream and downstream financial systems. Data & Throughput: Handle large datasets and high-throughput systems, contributing to vital exposure calculations, limits, and reporting. ... Contract