Lead Developer (Tech Lead) - Healthcare Interoperability AlphaContract until 31 January Inside IR35 Onsite 4/5 days per week, Central Leeds Start 20 November 2026Brio Partners is working with a national public health programme to appoint a hands-on Lead Developer (SFIA 5) for a high-profile Alpha. You will design and build working prototypes that integrate with national secure messaging services, proving how clinical documents can move electronically between hospitals and primary care. Your prototypes, integration spikes and architecture will form the technical case for Beta.This role is based onsite in central Leeds 4 to 5 days per week, so you must be able to commute to Leeds city centre for the duration of the contract.TECH STACK- Languages: Python, Java, C# / .NET, TypeScript / Node.js (strong in at least one)- Cloud: AWS (essential)- Integration: REST APIs (HTTPS with mutual TLS), asynchronous and message-based patterns, mailbox-based secure messaging- Standards: FHIR, HL7v2, SNOMED CT- Engineering: Git, code review, CI/CD, automated testing, Architecture Decision Records- Prototyping: (url removed) prototype kit, rapid throwaway and evolutionary prototypesWHAT YOU WILL DO- Lead integration spikes against a national secure messaging API in sandbox and test environments- Prototype end-to-end document flows using FHIR, from hospital to primary care- Produce candidate target architectures and record decisions in ADRs- Set up modern engineering practices and work in the ..... full job details .....