Senior .NET Developer

Senior Software Developer (.NET/C#)

Newport, South Wales (1 day a week onsite)

£47,766 - £58,850 + Technical Allowances of up to £8,695 + Pension (28.97% employer contribution)

Join a major digital transformation programme and help modernise critical government systems used across the UK.

We're looking for a hands-on Senior Software Developer to play a key role in maintaining, enhancing and modernising enterprise-scale applications. Working within Agile delivery teams, you'll contribute to the design, development, testing and support of business-critical services while helping shape engineering standards and best practices.

What you'll be doing

• Developing and maintaining enterprise-grade applications using .NET/C#
• Designing and building REST APIs and web services
• Working within Agile teams using modern DevOps practices
• Contributing to CI/CD pipelines through Azure DevOps, Azure Pipelines and GitHub
• Supporting the modernisation of legacy systems and applications
• Collaborating with stakeholders, product teams and technical specialists
• Providing technical mentorship and helping drive development standards across the team

What we're looking for

• Strong commercial experience with .NET / C#
• Experience delivering software solutions within Agile environments
• Knowledge of REST APIs, web services, Azure DevOps, Azure Pipelines and GitHub
• Understanding of modern software engineering and DevOps principles
• Strong problem-solving skills and a proactive approach to continuous improvement
• Ability to influence technical decisions and mentor colleagues

Desirable:

• Java experience
• AZ-900 Azure Fundamentals certification

Why apply?

• Salary of £47,766 - £58,850 + Technical Allowances of up to £8,695
• Excellent Civil Service pension with 28.97% employer contribution
• Hybrid working with only 20% office attendance required
• 25 days annual leave rising to 30 days, plus public and privilege holidays
• Access to Pluralsight and Microsoft ESI learning platforms
• Modern engineering environment with strong investment in learning and development
• Opportunity to contribute to large-scale digital transformation programmes

Important Requirements

• Must be able to attend the Newport, South Wales office a minimum of 20% of the time
• Must have existing Right to Work in the UK (visa sponsorship is not available for this role)
• Must have 5 years' continuous UK residency to support eligibility for SC Clearance

If you're an experienced .NET developer looking for an opportunity to work on large-scale public sector technology transformation while enjoying excellent benefits and long-term career development, we'd love to hear from you.