Software Developer. LilyLifestyle

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.

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.

• 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.

• 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.

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)