Lead C# Backend Developer

Location: Central London (Onsite) Salary: 75,000 - 85,000 Type: Permanent Sponsorship: Not available (must be UK-based)

Overview

We are working with an established software house based in Central London who are looking to hire a Lead C# Backend Developer to join their 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.

Role & 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

Key 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

Additional Information

• This role is fully onsite in Central London
• Candidates must already be UK-based and have the right to work in the UK (no sponsorship available)
• Opportunity to join a well-established software business with a strong technical team

If you are a hands-on Lead Developer looking for your next challenge in a fast-paced environment, please apply or get in touch for more information.