Principal Software Engineer
Luton
12‑Month Contract
Paying up to £79p/h (Inside IR35)
Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance - please only apply if suitable.
Key Responsibilities
* Develop robust applications using C# .NET within a Windows environment.
* Take ownership of complex tasks across the full software lifecycle—from requirements to integration, testing and delivery.
* Apply object‑oriented design principles and verification/validation techniques.
* Collaborate with a skilled team while maintaining independence in your work.
Required Skillset
* Proven experience in C# .NET development including web‑based applications.
* Strong understanding of object‑oriented design and software development methodologies.
* Experience across the full software lifecycle, including automated testing frameworks and practices.
* Experience of Continuous Integration / Continuous Delivery (CI / CD) practices.
* Ability to work independently and deliver high‑quality solutions with minimal supervision.
* Experience with Agile methodologies (Scrum, Kanban) and microservices architecture.
* Experience with DOORS, Cameo, and Azure DevOps.
* Defence or Electronic Warfare domain experience – desirable.
* Familiarity with frameworks/tools such as WPF, WinForms, Visual Studio.
Disclaimer: This vacancy is being advertised by Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited (“ARM”). ARM is a specialist talent acquisition and management consultancy.
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