Salary: £50,000 - 65,000 per year Requirements: We are looking for a highly proficient C# and .NET developer, ideally with experience in .NET 8 and ASP.NET Core. We need strong experience designing and building RESTful APIs and backend systems. We require solid understanding of Azure cloud services, including App Services, Azure Functions, and storage solutions. We are looking for someone who can work independently while contributing effectively within a team environment. We need the ability to manage workload across maintenance, enhancements, and new development work. Desirable: exposure to AI-assisted development tools such as code generation, testing support, or productivity tooling. Desirable: experience working in agile or iterative delivery environments. Desirable: familiarity with CI/CD pipelines and modern DevOps practices. Responsibilities: We design, develop, and maintain high-quality backend services using C# and the latest .NET technologies, including .NET 8 and ASP.NET Core. We build and enhance RESTful APIs to support internal and external applications. We work with Azure cloud services, including App Services, Azure Functions, and storage solutions. We contribute to both ongoing system maintenance and new feature development. We take ownership of assigned tasks and deliver high-quality code independently. We collaborate closely within a small engineering team, contributing to technical discussions and solutions. We support continuous improvement of development practices and code quality. We leverage modern development practices, including AI-assisted tooling where appropriate, to improve productivity and delivery speed. Technologies: AI ASP.NET Azure Backend C# CI/CD Cloud DevOps Support More: We are based in Sheffield and are looking for a skilled C# .NET Developer to join our small, collaborative engineering team. We work on modern cloud-based applications in a cloud-first environment, building and evolving scalable backend services and APIs that support business-critical systems. This is a hands-on development role with broad exposure across backend development, APIs, and cloud architecture, offering the opportunity to contribute to both ongoing product evolution and new feature delivery. We also offer flexibility in working arrangements and a team environment where your input has real impact. last updated 20 week of 2026