Contract .NET Developer - Energy Trading

Contract .NET Developer – Energy Trading - £750/day – OUTSIDE IR35 We’re looking for an experienced .NET Developer to play a crucial role in designing, developing, and delivering high-quality, test-driven object-oriented software that supports the full trade lifecycle. You’ll work across a diverse portfolio of applications and technology stacks, collaborating closely with Technical Leads, Architects, and key business stakeholders to deliver robust and scalable solutions. Key Responsibilities Design, develop, and deliver high-quality C# .NET solutions in a complex trading or data-driven environment. Work closely with Vertical Leads (Delivery, Technical, QA, Architecture, and Functional) to ensure seamless software delivery. Participate in code reviews to drive best practices and maintain development standards. Support and mentor junior developers, fostering a culture of continuous learning. Optimise performance and minimise technical debt by driving architectural consistency and adhering to best practices. Collaborate with business analysts and stakeholders to translate business needs into technical solutions. Contribute to the software development roadmap, advocating for best-in-class development practices. What You’ll Need Strong experience in enterprise development using C# .NET, WebAPI and working within an Agile environment. Knowledge of Design Patterns, SOLID principles, and scalable architecture best practices. Proficiency with SQL databases (Microsoft SQL Server preferred) – experience with MongoDB is a plus. Familiarity with modern web UI frameworks (Vue.js, Angular, Blazor) is advantageous. Experience with Azure DevOps, CI/CD pipelines, and Infrastructure as Code (Terraform) is a plus. Exposure to messaging patterns (RabbitMQ, Kafka) and authentication methods like OAuth2 is beneficial. A strong problem-solver who can work independently while effectively collaborating with cross-functional teams. Prior experience in a trading, financial services, or data-intensive environment is a major advantage. Contract .NET Developer – Energy Trading - £750/day – OUTSIDE IR35