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# Senior Software Engineer (C# .NET)

- **Company:** Usat Leonardo
- **Location:** Luton, UK (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, C Sharp (Programming Language), Continuous Integration, Integrated Development Environments, Microsoft Visual Studio, Windows Presentation Foundation, Object-Oriented Software Development, Software Engineering, Windows Forms, Containerization, Microservices
- **Published:** August 18, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/44338274/

## About the Role

Job Description:Your ImpactWe are looking for talented Software Engineers with a solid foundation in C# .NET and a passion for learning and growing. If you are eager to develop your technical skills, leadership capabilities, and decision-making confidence, this role offers an excellent opportunity to advance your career.What You'll BringWorking within our Integrate Mission Solutions sector this role provides an opportunity to work on the latest defence technology within a mature development environment. Key skills and behaviours include:Hands on Experience: Around 4 years of practical experience in software engineering using C# .NET, delivering reliable solutions as part of a team.Technical Foundations: A good understanding of object-oriented design and familiarity with frameworks and tools such as WPF, WinForms, and Visual Studio. Exposure to microservices and containerisation is a plus.DevSecOps Awareness: Interest in automation across build, test, and deployment processes (CI/CD)
and an understanding of Secure by Design principles.Lifecycle Knowledge: Experience with the software development lifecycle and Agile methodologies.Collaboration & Growth Mindset: Ability to work effectively in multi-disciplinary teams, share ideas, and learn from others.Continuous Improvement: Enthusiasm for adopting best practices and improving processes.This is not an exhaustive list, and we are keen to hear from you even if you might not have experience in all the above. The most important skill is a good attitude and willingness to learn.Security ClearanceThis role is subject to pre-employment screening in line with the UK Government's Baseline Personnel Security Standard (BPSS). An additional range of Personnel Security Controls referred to as National Security Vetting (NSV) may apply, this could include meeting the eligibility requirements for The Security Check (SC) or Developed Vetting (DV). For more information and guidance please visit: Why join usAt Leonardo, our people are at



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