4487 IT & Software Developer jobs in the UK
Requirements
Must:
- 8+ years backend software engineering
- Proven experience designing distributed, secure systems
- Experience operating in regulated or compliance-heavy environments
- Strong C# / .NET backend expertise
- Deep understanding of high-volume transactional databases
- Strong understanding of authentication and secure session design
- Experience designing for high availability and fault tolerance
- Strong production troubleshooting capability
Responsibilities
- Own and evolve a high-throughput, security-critical payment gateway platform
- Define and evolve gateway architecture across multiple services
- Lead design of secure, high-availability transaction systems
- Drive decisions across authentication, transaction routing, and merchant services
- Identify and reduce systemic technical debt
- Champion alignment with PCI DSS 4.0 requirements
- Lead threat modelling and secure design reviews
- Drive vulnerability remediation strategy and prioritisation
- Define expectations for TDD / BDD and automated test coverage
- Establish CI/CD quality gates and release confidence standards
- Act as an escalation point for complex architectural decisions
- Mentor Senior Engineers and grow technical leadership capability
Description
We are a leading technology firm based in Belfast, offering a hybrid work environment that promotes flexibility and collaboration. Our mission is to own and evolve a high-throughput payment gateway platform vital for secure financial transactions. We prioritize our teams growth and development, providing opportunities for mentorship and technical leadership, along with competitive benefits to ensure a rewarding work experience.
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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 4487 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?
Collect Solutions Ltd, Arctic Shores, SwapTix, HM Land Registry, Wilson James, Companies House, Hamilton Jones Consulting among others, are currently hiring for C#.NET roles in the UK.
The company with most openings is Experis as they are hiring for 111 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 111 different C#.NET Developer jobs in the UK. They are probably quite committed to find good C#.NET Developers.