3039 IT & Software Developer jobs in the UK

Software Development Engineer
£93,600 - 104,000
Meridian Business Support
Threapwood Road, Pitsea
£93,600 - 104,000
Requirements
Must:
- Strong professional experience in C# and .NET
- Working knowledge of C++ (reading and understanding existing code)
- Experience with Windows Communication Foundation (WCF)
- Proven ability to investigate and understand legacy or in-flight codebases
- Familiarity with software development lifecycles, ideally within aerospace, defence, or other regulated environments
- Comfortable working to coding standards, processes, and documentation requirements
- Self-driven, proactive, and able to work with minimal supervision
- Must be eligible for UK Security Clearance (SC)
- UK national or NATO dual national required
Responsibilities
- Develop and maintain Windows applications using C#/.NET
- Contribute to secure communications software, including WCF-based components
- Review, understand, and reverse engineer existing code where documentation may be limited
- Work within a formal software development lifecycle (requirements, design, implementation, verification, compliance)
- Participate in design reviews and technical discussions
- Collaborate with other engineers using iterative / Agile-style development
- Ensure software meets quality, safety, and user expectations
Description
We are a specialist engineering team based in Basildon, looking for an experienced Software Development Engineer to join us in delivering secure Windows-based software systems for safety-critical and defence-related applications. This is a Temporary position with the possibility of extension until April 2026. We offer an initial onboarding period followed by hybrid working arrangements with occasional on-site access to specialist test hardware.
Something wrong or incorrect with this job? Tell us in the chat 💬 on the right ➡️
You can find C#.NET Developer salaries in the UK here.
How many C#.NET Developer jobs are in the UK?
Currently, there are 3039 C#.NET openings. Check also: Xamarin jobs, Unity jobs - all with salary brackets.
Is the UK a good place for C#.NET Developers?
The UK is one of the best countries to work as a C#.NET Engineer. It has a vibrant startup community, growing tech hubs and, most important: lots of interesting jobs for people who work in tech.
Which companies are hiring for C#.NET Developer jobs in the UK?
The Scouts Association, Mas & Pas Limited, Addooco IT Limited, Hillside Primary Care IT Services, Delapt Technologies UK, Companies House, OpenWorks Engineering among others, are currently hiring for C#.NET roles in the UK.
The company with most openings is Experis as they are hiring for 92 different C#.NET Developer jobs in the UK. They are probably quite committed to find good C#.NET Developers.
The company with most openings is Experis as they are hiring for 92 different C#.NET Developer jobs in the UK. They are probably quite committed to find good C#.NET Developers.