Fullstack Developer - NHS app

Your new company

You will be working for a well-known organisation working remotely with the occasion travel in the London office.

This role is inside scope of IR35 and a 3–6-month contract with a possible extension.

Your new role

Overview: We are seeking an experienced Full-Stack Developer and Healthcare Technology Specialist to build a deterministic patient-triage platform integrated with NHS App and NHS Login.

This role requires deep healthcare-interoperability expertise, hands-on production experience with HL7 FHIR R4 and UK Core from day one, and strong engineering skills across backend and frontend.

You must be confident using AI agents and AI-assisted development tools to deliver safe, maintainable enterprise-grade software in C# (.

NET 10) and TypeScript.

Key Responsibilities

• Develop backend healthcare services using C#, .NET 10, REST APIs, and Azure services.
• Implement HL7 FHIR R4 and UK Core profiles with accurate SNOMED CT and ICD-10 clinical coding.
• Build secure, accessible user interfaces using the NHS Digital Design System.
• Use AI agents and code-generation tools responsibly to accelerate delivery while maintaining safety and quality.
• Integrate with NHS Login, NHS App APIs, and national NHS interoperability services.
• Apply healthcare-specific engineering discipline, clinical-workflow understanding, and deterministic logic design.
• Ensure solutions comply with GDPR, DSPT, and relevant healthcare/medical-device standards.

Required Experience

• Azure experience including Functions, App Services, Key Vault, Monitor, and general cloud-native design.
• C#, .NET 10, REST API development, and enterprise backend engineering.
• Frontend development with TypeScript, JavaScript or NHS Digital Design System components.
• Confident and experienced use of AI development agents and tools in daily workflow.

Highly Desirable

• Experience validating HL7 FHIR resources, terminology bindings and UK Core compliance.
• Deep knowledge of SNOMED CT and ICD-10 clinical coding.
• Strong understanding of clinical workflows, interoperability patterns, and NHS technical constraints.
• Experience with regulated healthcare or medical-device software (ISO 13485, ISO 14971, IEC 62304).
• Experience with national NHS APIs such as GP Connect, PDS, PDM, SCR, or BARS referrals.
• OAuth 2.0, OpenID Connect, and NHS Login integration.

Summary

This position is ideal for a senior Full-Stack Developer and Healthcare Technology Specialist with strong Azure and .

NET 10 skills, proven UK Core FHIR expertise, NHS-compliant frontend experience, and the ability to leverage AI-assisted development responsibly to deliver safe, reliable, audit-ready healthcare technology for national deployment.