Senior C# Developer

Senior C#. NET Developer

Location: London (Hybrid)
Contract: 6 months
IR35: Inside IR35

Our client, a leading global investment bank, is looking for an experienced C#. NET Developer to join their team on a 6-month contract. This role is pivotal in modernising and supporting business-critical applications while contributing to greenfield development initiatives.

Key Responsibilities

Design, build, and maintain server-side and client-side applications using .NET Framework/Core, React/TypeScript, and relational databases (SQL Server, Oracle).
Refactor legacy systems to reduce technical debt and improve performance.
Implement modern security patterns (OAuth2/OpenID Connect, OWASP principles).
Optimise database queries and schemas; ensure safe migrations.
Participate in CI/CD processes, code reviews, and adhere to Change Management procedures.
Collaborate with cross-functional teams and provide occasional out-of-hours support.

Essential Skills

Strong proficiency in .NET Framework/Core.
Experience with SQL Server and Oracle performance tuning.
Knowledge of secure SDLC practices and OWASP principles.
Hands-on experience with CI/CD pipelines and troubleshooting across Windows Servers and databases.
Excellent communication and problem-solving skills.

Desirable

React/TypeScript
Certifications in Azure/AWS, CISSP, or DevOps.
Familiarity with Docker/Kubernetes, observability practices, and API gateways.
Exposure to greenfield projects and Python scripting.
Apply now to join a dynamic team and work on cutting-edge projects within a global investment banking environment