.NET Developer | Hybrid (3 days WFO) | London | 12 Month Contract We’re looking for an experienced .NET Developer to join our team in London on a long-term (12 month) contract. This is a hybrid role (3 days in office) working on cutting-edge projects in the renewable energy and carbon trading space. Qualifications Bachelor’s degree (or equivalent experience) 8 years of professional experience in .NET development Strong understanding of SOLID principles, clean architecture, and automated testing Location London (Hybrid, 3 days WFO) ⏳ Contract Duration 12 months Key Skills .NET, ASP.NET Core, C# API Development & Integration Entity Framework Core, PostgreSQL Azure Active Directory, OAuth2, JWT Docker, OpenShift, CI/CD (Azure DevOps) Nice to Have Experience in the oil & gas or energy trading domain Knowledge of carbon credit, LCFS, RINS, or environmental compliance systems Familiarity with Azure Cloud Services and microservices architecture Responsibilities Develop and maintain enterprise-scale .NET Core applications and RESTful APIs Build solutions for biogas trading, regulatory reporting, and carbon credit management Work with PostgreSQL and Entity Framework Core for data persistence Implement secure authentication using Azure AD and Microsoft Identity Build real-time features (SignalR) and automated reporting workflows Deploy and manage applications using Docker and OpenShift