Senior .Net Developer
13 days ago
London
Job Title: Senior C# / .NET Developer – Financial Services (Risk / Securities Lending) \n Location: London (Hybrid) \n Duration: 6 Months contract \n \n Job Description \n Role Overview \n\n • We are seeking an experienced C# / .NET Developer to join a technology team supporting critical Financial Services platforms, with a strong focus on Risk Management and/or Securities Lending domains.\n, • The role involves designing, building, and supporting high performance systems used for risk calculations and trading/financing workflows.\n, • You will work closely with quants, risk managers, business analysts, and product owners to deliver robust, scalable solutions in a regulated environment.\n\n Key Responsibilities \n\n • Design, develop, and maintain C# / .NET applications supporting Risk or Securities Lending platforms\n, • Build and consume RESTful APIs to integrate with upstream/downstream systems\n, • Implement scalable, testable, and maintainable object oriented code following best practices\n, • Contribute to risk workflows including exposure calculations, limits, and reporting\n, • Work with large data sets and high throughput systems typical of financial services\n, • Participate in code reviews, architectural discussions, and technical design sessions\n, • Collaborate with cross functional teams (Risk, Front Office, Operations, Compliance)\n, • Support production systems and assist with incident analysis and remediation\n\n Required Skills & Experience \n Core Technical Skills \n\n • Strong hands on experience with C# and .NET (.NET Core / .NET)\n, • Excellent Object Oriented Programming (OOP) skills and design principles\n, • Proven experience designing and implementing APIs (REST / JSON)\n, • Solid understanding of application architecture, performance, and scalability\n, • Experience with SQL databases (e.g. SQL Server)\n, • Familiarity with unit testing, integration testing, and CI/CD pipelines\n\n Financial Services Domain Knowledge (Essential) \n\n • Experience working in Financial Services technology environments\n, • Strong domain knowledge in at least one of:\n, • o Risk Management\n, • o Securities Lending / Prime Brokerage\n, • o Collateral, Margin, or Financing platforms\n\n Risk & Regulatory Experience (Highly Beneficial) \n\n • Exposure to risk and regulatory methodologies such as:\n, • o RWA (Risk Weighted Assets)\n, • o CCAR\n, • o Basel III / Basel IV frameworks\n, • Understanding of credit risk, counterparty exposure, or capital calculations is a strong advantage\n\n Nice to Have \n\n • 10+ years experience\n, • Experience with cloud platforms (Azure / AWS)\n, • Messaging technologies (e.g. Kafka)\n, • Experience in front to back trading or financing systems\n, • Familiarity with Agile / Scrum delivery methodologies\n\n Personal Attributes \n\n • Strong problem solving and analytical mindset\n, • Comfortable working in complex, regulated environments\n, • Able to communicate effectively with both technical and non technical stakeholders\n, • Proactive, delivery focused, and detail oriented\n\n