This position is contingent upon contract award. It supports a new Defense Health Agency program, and the start date follows award and Government access. You'll own the FHIR R4 design for a health data exchange platform that's moving from SOAP services to FHIR one interface at a time, with the legacy exchanges running 24x7 the whole way. You'll write and defend the profiles, implementation guides and terminology bindings the new services run on, work with the interface team that keeps the HL7 v2 feeds flowing, and represent the program's standards decisions to the Government. What you'll do: Design FHIR R4 services aligned to US Core, including CapabilityStatements, profiles and implementation guides Own SMART Backend Services authorization patterns and the FHIR conformance test plan (Inferno) Map legacy HL7 v2 and SOAP payloads to FHIR using the HL7 V2-to-FHIR implementation guide Run HAPI FHIR in production with the platform team: performance, versioning, data quality Present standards decisions in program increment planning and Government technical reviews Must have: 7 or more years in healthcare interoperability, with 3 or more on FHIR R4 in production Hands-on US Core profiling, CapabilityStatements and implementation guide authoring SMART on FHIR and SMART Backend Services experience HAPI FHIR or an equivalent FHIR server in production U.S. citizenship and the ability to obtain and maintain the investigation the Government designates for this role Nice to have: An active Secret clearance or Secret eligibility HL7 v2.x interface experience, including Z-segments OMOP common data model or OHDSI tooling DoD or VA health IT experience Location: Remote within the United States. Zaden's home office is Huntsville, Alabama. Citizenship: U.S. citizenship is required for the investigation this role needs. Questions about this role? Email people@zadentech.com. How we use AI in hiring: Zaden uses AI tools to help organize and prioritize applications. People review every application and make every hiring decision. To ask about an accommodation or about how your application was reviewed, email people@zadentech.com. If you need an accommodation to apply or interview, email people@zadentech.com and a person will help. Equal opportunity: Zaden Technologies is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status or any other status the law protects.