Salary: £50,000 - 60,000 per year Requirements: Strong commercial experience with C# / .NET Solid SQL Server knowledge, including performance tuning Proactive problem solver who enjoys ownership and responsibility Confident communicator, able to explain technical concepts clearly Responsibilities: Developing and maintaining applications using C#, .NET and SQL Server Working extensively with SQL, including database design and performance optimisation Improving and enhancing an established platform Building and supporting APIs and backend services Collaborating with internal stakeholders to deliver new features and system improvements Technologies: Backend C# Support SQL ASP.NET More: We are a UK-leading fuel management technology company with a large national customer base across transport, logistics and public sector organisations. Our systems provide critical data around vehicle mileage, fuel usage and operational efficiency, helping customers reduce costs and improve performance. We offer a competitive salary of £50,000 - £60,000, along with a discretionary bonus, salary reviews, holiday, pension, training, and opportunities for progression. We are looking for a capable Senior Developer to join our team in Accrington, where you can support, enhance, and modernise our existing systems while contributing to future improvements. last updated 18 week of 2026