3239 IT & Software Developer jobs in the UK
Requirements
Must:
- 7 years commercial software engineering experience
- Strong background in backend development using C# / .NET
- Proven experience designing and building scalable, distributed systems
- Strong experience with RESTful APIs and web services
- Solid knowledge of relational databases (SQL Server or similar)
- Strong understanding of object-oriented design, design patterns, and system architecture
- Experience influencing technical direction or mentoring engineers
- Excellent problem-solving and communication skills
- Experience working in Agile environments
- Must be based in Northern Ireland or within commuting distance of Belfast, with the right to work in the UK.
Responsibilities
- Lead the design and development of complex, scalable, high-throughput systems
- Influence architectural decisions and contribute to long-term technical strategy
- Drive best practices across code quality, testing, and maintainability
- Provide technical leadership and mentorship to engineers across the team
- Collaborate with cross-functional teams to deliver features from roadmap to production
- Identify performance, scalability, and reliability improvements across the platform
- Support production systems, troubleshoot complex issues, and drive root cause analysis
- Contribute to CI/CD pipelines and continuous delivery practices
- Promote a culture of engineering excellence, ownership, and continuous improvement.
Description
We are a Fintech technology organization operating at significant scale, enabling seamless commerce across international markets. Our platforms process millions of transactions daily and are engineered for high availability, security, and performance. With a well-established and growing engineering hub in Northern Ireland, we continue to invest heavily in modernizing and scaling systems that underpin critical payment flows across multiple regions. We offer a competitive salary up to £75k plus bonus, hybrid working with a Belfast city centre office, 26 days annual leave plus bank holidays, private medical and dental cover, and a high-trust environment with real ownership and autonomy. Join us and seize the opportunity to shape architecture on a mission-critical platform while focusing on engineering excellence and career progression.
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You can find C#.NET Developer salaries in the UK here.
How many C#.NET Developer jobs are in the UK?
Currently, there are 3239 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, Bluefruit Software Limited, SwapTix, Arctic Shores, MOD - Defence Digital, Secret Source Marketing, Government Communications Headquarters (GCHQ) among others, are currently hiring for C#.NET roles in the UK.
The company with most openings is Hays Technology as they are hiring for 88 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 Hays Technology as they are hiring for 88 different C#.NET Developer jobs in the UK. They are probably quite committed to find good C#.NET Developers.