Salary: £41,500 - 71,000 per year Requirements: Strong commercial experience using C# Experience developing desktop applications with WPF and/or WinForms Experience working with or maintaining VB6 applications Solid understanding of structured software development in regulated or engineering-led environments Degree in a STEM discipline or equivalent relevant industry experience Experience with source control tools such as Git or ClearCase (desirable) Familiarity with automated testing tools (e.g. Coded UI, Rational Robot or similar) (desirable) Knowledge of Oracle, SQL (desirable) Understanding of COM, .NET Interop (desirable) Experience with XML (XSD/XSLT) (desirable) Familiarity with Entity Framework (desirable) Understanding of Team Foundation Server / Azure DevOps (desirable) Responsibilities: Analyse system and user requirements to influence software design and delivery planning Design, implement and configure new functionality with a focus on maintainable, high-quality code Produce unit/module tests and associated software documentation Support Build, Integration and Test teams during formal qualification and verification activities Collaborate closely with multi-disciplinary engineering teams Research and recommend new tools, technologies and development approaches Share knowledge, provide technical guidance and support continuous improvement within the team Technologies: Azure C# DevOps Git Support Oracle SQL WPF XML UX UI Design ASP.NET Cloud More: We are a leading UK defence company seeking an experienced Senior Software Developer to join our highly skilled engineering team, working on mission-critical and safety-critical systems utilized by military personnel. This position involves developing and maintaining engineering support applications for frontline users, offering a hybrid work environment, and the chance to contribute to significant, high-integrity software projects in the defence sector. Join us at our location in Warton for an enriching experience! last updated 16 week of 2026