C# . Net Developer

Salary: £50,000 - 70,000 per year

Requirements:

• Around 10 years of commercial software development experience.
• Proven background developing large, complex enterprise applications.
• Experience working for a software product or technology company where software is the core business.
• Strong understanding of software architecture and object-oriented design principles.
• Commercial experience with most of the following: C#, .NET, ASP.NET MVC, ASP.NET, MongoDB, RabbitMQ, and web services (REST and/or SOAP).
• Experience working with messaging technologies such as RabbitMQ.
• Excellent debugging and problem-solving skills.
• Experience writing efficient, maintainable, well-tested code.
• Knowledge of low-level programming concepts such as memory management, threading, performance optimisation, and concurrency.
• Must be free to work in the UK.

Responsibilities:

• Play a key role in the ongoing development of a sophisticated software platform.
• Work across the full software development lifecycle.
• Design new functionality and improve existing systems.
• Solve complex technical problems.
• Help shape the future direction of the platform.
• Write high-quality code with a focus on performance, scalability, and reliability.
• Contribute to a highly capable development team that values engineering quality, clean architecture, and continuous improvement.

Technologies:

• ASP.NET
• C#
• MongoDB
• MVC
• REST
• RabbitMQ
• SOAP
• Web
• AWS
• Azure
• CI/CD
• Cloud
• DevOps
• Exposed
• microservices

More:

We are an established and highly successful technology company whose software is used by thousands of customers. We are investing heavily in our flagship platform and offering an opportunity to work on technically challenging enterprise-grade applications rather than simple websites or line-of-business systems. You will join a highly capable development team where engineering quality, clean architecture, and continuous improvement are genuinely valued. This is a genuine opportunity for an experienced Senior C# .NET Developer who wants to make a real impact on a software product at the heart of our business.

last updated 31 week of 2026