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C# Software Engineer

MatchtechLuton, Bedfordshire🇬🇧United KingdomPosted 8 Sept 2026

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
Remote
Location
Luton, Bedfordshire, United Kingdom
MicroservicesScrumAgileAzureC#.NETC++Kanban

Job Description

C# Software Engineer



78ph, UMB, inside IR35
Initial 12-month contract
x4 days onsite in Luton (1 day remote)

SC must be in place priot to startintg this contract


Our client, a leading organisation within the defence and security sector, is seeking a C# .NET Software Engineer to support the development of advanced electronic warfare and mission systems in Luton. This contract role offers the opportunity to work within a mature software development environment, delivering innovative defence technology with a high degree of autonomy.



Key Responsibilities:

  • Develop robust applications using C# .NET within a Windows environment
  • Take ownership of complex tasks throughout the full software development lifecycle, from requirements through to integration, testing and delivery
  • Apply object-oriented design principles and software verification and validation techniques
  • Develop and maintain web-based applications
  • Contribute to automated testing frameworks and continuous integration and continuous delivery practices
  • Work collaboratively with a skilled development team while delivering tasks independently and with minimal supervision


Job Requirements:

  • Strong experience in C# .NET software development, including web-based applications
  • Sound understanding of object-oriented design and software development methodologies
  • Experience across the full software development lifecycle
  • Knowledge of automated testing frameworks and testing practices
  • Experience with Continuous Integration and Continuous Delivery practices
  • Experience working with Agile methodologies, including Scrum or Kanban
  • Understanding of microservices architecture
  • Full UK Security Check (SC) clearance


Desirable Skills:

  • Experience within the defence or electronic warfare sectors
  • Familiarity with WPF, WinForms and Visual Studio
  • Experience using DOORS, Cameo or Azure DevOps
  • Knowledge of C++ development


Contract Details:

  • 12-month contract opportunity
  • Based in Luton
  • Hybrid working arrangement, with four days on site and one day working remotely
  • Inside IR35
  • Start subject to onboarding and security clearance requirements


If you are an experienced C# .NET Software Engineer seeking an opportunity to contribute to innovative defence technology, apply now to join our client's development team in Luton.

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