Contract Software Engineers - C# .NET & Ada

We are recruiting multiple experienced Contract Software Engineers to support current and future programmes within a leading defence and Electronic Warfare organisation. These roles sit within a mature engineering environment, delivering mission-critical software across advanced platforms.

This advert covers two separate contract roles, each with its own focus, responsibilities, and skill requirements.

Role 1: Contract Software Engineer C# .NET
Location: Luton (Hybrid 4 days onsite, 1 day remote)
Security Clearance: Full UK SC required (sole UK nationality essential)

Role Summary
We are seeking experienced C# .NET Software Engineers who can work with minimal supervision to deliver robust, high-quality software for current and future Electronic Warfare programmes. The role offers the opportunity to work within a mature development environment on cutting-edge defence technology.

Key Responsibilities

• Develop robust applications using C# .NET within a Windows environment
• Take ownership of complex tasks across the full software lifecycle (requirements through to delivery)
• Apply object-oriented design principles and verification/validation techniques
• Work collaboratively within skilled Agile teams while maintaining independence
• Contribute to CI/CD pipelines and modern development practices

Essential Skills & Experience

• Strong commercial experience with C# .NET, including web-based applications
• Solid understanding of object-oriented design and software development methodologies
• Experience across the full software lifecycle, including automated testing
• Familiarity with CI/CD practices
• Experience working in Agile environments (Scrum, Kanban)
• Ability to deliver high-quality solutions with minimal supervision

Desirable

• Defence or Electronic Warfare domain experience
• Experience with WPF, WinForms, Visual Studio
• Exposure to DOORS, Cameo, Azure DevOps
• Some C++ experience
• Microservices architecture experience