Senior .NET Developer – Public Sector Project | £220/day (Inside IR35)
Location: Predominantly remote, with occasional travel to Cardiff
Contract: 6 months (with likely extension)
Rate: £220 per day (Inside IR35, A4C Band 6 equivalent)
Start Date: ASAP
We’re recruiting for a Senior Software Integration Developer (.NET) to join a high-impact digital programme delivering national clinical information systems across Wales. You’ll be working within a multi-disciplinary Agile team developing features for the Welsh Nursing Care Record (WNCR) and related applications-supporting the delivery of modern, tech-enabled healthcare.
Key Responsibilities:
1. Develop software components using the .NET stack (C#), working across UI, API, messaging, and integrations.
2. Collaborate with Business Analysts, Product Specialists, and other developers within a well-structured Scrum team.
3. Mentor junior developers and contribute to technical best practices.
4. Lead on software delivery applying sound design principles (SOLID, OOP, etc.).
Required Skills & Experience:
5. Strong experience developing with.NET/C#
6. Excellent understanding of Object-Oriented Programming
7. Hands-on experience with T-SQL and SQL Server
8. Familiarity with: JavaScript, jQuery Web APIs / XML Web Services Agile/Scrum delivery Team Foundation Server (TFS) Dependency Injection (, Unity)
Desirable:
9. Exposure to NHS systems or healthcare projects
10. Experience with HL7 messaging or integration tools
11. Understanding of database schema design and modern architecture patterns
Working Arrangements:
12. Remote-first working model
13. Some travel required to Cardiff office (Tŷ Glan-yr-Afon) for onboarding and key meetings
If you’re a collaborative and technically strong developer with experience in public sector or healthcare projects, this is an opportunity to make a meaningful impact on national digital health outcomes.
If you’re interested or know someone who might be send your CV to