Integration Developer

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:

• Develop software components using the .NET stack (C#), working across UI, API, messaging, and integrations.
• Collaborate with Business Analysts, Product Specialists, and other developers within a well-structured Scrum team.
• Mentor junior developers and contribute to technical best practices.
• Lead on software delivery applying sound design principles (SOLID, OOP, etc.).

Required Skills & Experience:

• Strong experience developing with.NET/C#
• Excellent understanding of Object-Oriented Programming
• Hands-on experience with T-SQL and SQL Server
• Familiarity with:
  • JavaScript, jQuery
  • Web APIs / XML Web Services
  • Agile/Scrum delivery
  • Team Foundation Server (TFS)
  • Dependency Injection (e.g., Unity)

Desirable:

• Exposure to NHS systems or healthcare projects
• Experience with HL7 messaging or integration tools
• Understanding of database schema design and modern architecture patterns

Working Arrangements:

• Remote-first working model
• 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 zhinkinson@welovesalt.com