Salary: £75,000 - 85,000 per year Requirements: Strong commercial experience with C# and .NET Framework Deep understanding of backend development principles and architecture Strong experience working with SQL and relational databases Proven experience in a Lead or Senior Developer position Experience building scalable, high-performance applications Strong understanding of software design patterns and best practices Excellent problem-solving and communication skills Desirable Skills: Experience with modern .NET (Core / .NET 6) Exposure to cloud platforms (Azure preferred) Experience working in an Agile environment Responsibilities: Lead the design and development of scalable backend systems using C# and .NET Framework Provide technical leadership and mentorship to a team of developers Take ownership of backend architecture and ensure best practices are followed Work closely with cross-functional teams including front-end, QA, and product Contribute to system design, performance optimisation, and code quality Participate in code reviews and promote clean, maintainable coding standards Troubleshoot and resolve complex technical issues Technologies: .NET Framework Azure Backend C# Cloud SQL ASP.NET More: We are an established software house based in Central London looking to hire a Lead C# Backend Developer to join our growing engineering team. This is a fully onsite role, ideal for someone who thrives in a collaborative environment and enjoys working closely with both technical and non-technical stakeholders. We offer the opportunity to join a well-established software business with a strong technical team in a fast-paced environment. last updated 14 week of 2026