Senior C# / .NET Developer - Risk & Financing Platforms

3x Senior C# / .NET Developer - Financial Technology (Risk & Financing Platforms)

Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV.
Pay Rate: £600-£650 (Inside IR35 via umbrella)
Location: London - 3/4 days per week (with flexibility)
Duration: 6 Months (due to be extended)
A leading global financial institution is expanding its engineering group and is looking for experienced C# / .NET Developers to help build and enhance the technology that powers its risk, financing, and securities-related platforms. This is a high-impact role within a team responsible for systems that support critical exposure calculations, regulatory processes, and front-to-back financing workflows.

You'll work closely with quantitative teams, risk specialists, and business stakeholders to deliver scalable, resilient solutions used across the organisation.

Responsibilities:
Designing and developing robust C# / .NET services that underpin risk, collateral, and securities-financing platforms
Building and integrating RESTful APIs to connect with upstream and downstream systems
Delivering clean, maintainable, object-oriented code aligned with engineering best practices
Supporting risk-related workflows, including exposure calculations, limits monitoring, and reporting
Working with large datasets and high-throughput systems typical of institutional finance
Participating in architectural discussions, design reviews, and technical planning sessions
Collaborating with cross-functional teams across Risk, Front Office, Operations, and Compliance
Providing production support and contributing to incident analysis and resolution
Requirements:
Advanced commercial experience with C# and modern .NET frameworks
Background in Financial Services technology, ideally within risk, financing, or trading environments
Strong grounding in object-oriented design, clean coding practices, and scalable architecture
Proven ability to design, build, and integrate RESTful APIs
Solid experience working with SQL databases and optimising data-driven applications
Familiarity with automated testing, CI/CD pipelines, and modern development workflows
Reasonable Adjustments:
Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. xwzovoh Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.
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