Senior Azure Applications API Engineer

About The Job You will own the end-to-end technical work required to move the legacy Azure FHIR environment to AHDS (Azure Health Data Services), harden the platform, and extend it with CMS-mandated APIs. The role spans API migration, security engineering, API development, performance tuning, automated testing, and production cut-over. You will be the primary point of contact for all AHDS matters throughout the project. Phase 1 (400hrs) - Migrate existing FHIR service to AHDS, apply security layers, tune platform performance. Plan and run regression & conformance tests; coordinate sprint releases. Finalize requirements, align consent model, update living spec. Phase 2 (300hrs) - Implement Payer-to-Payer, Provider, Prior Auth APIs on AHDS; optimize scaling. Validate new APIs, run system & release testing, manage deployment calendar. Update documentation and traceability for added APIs; gather any change requests. Key responsibilities • Migrate the existing Azure API for FHIR workloadincluding bulk & delta data loadsto AHDS and upgrade to SMART on FHIR (Enhanced). • Apply security layers (Azure AD OAuth 2.0, RBAC, private endpoints, WAF/NSGs) and validate HIPAA/HITRUST & CMS compliance. • Enable and harden Patient Access and Provider Directory APIs; capture CMS reporting metrics via Azure Monitor workbooks. • Design, build, and test new Payer-to-Payer, Provider, and Prior Authorization APIs on AHDS in Phase 2, including APIM policies and OpenAPI specs. • Optimize platform performance & scalability; conduct system/performance tests and regression/conformance suites. • Drive release management: sprint planning, UAT coordination, production cut-over, hyper-care, and incident response. • Produce artifactsIaC templates (ARM/Bicep), runbooks, SOPs, living specifications, developer-portal documentation, and hand-over packs. • Collaborate closely with Cloud Architects, API/App Developers, DevOps, Security, and client stakeholders. Requirements Experience • 7+ years in cloud engineering • 3+ years with Azure API for FHIR or AHDS • 2+ years working with FHIR workloads • Preferred: Delivered a payer-side CMS-compliant Patient Access or Payer-to-Payer API Technical Skills • AHDS, Azure API for FHIR, Azure API Management (APIM) • Azure AD (OAuth2 / OpenID) • Infrastructure-as-Code: ARM/Bicep • CI/CD with GitHub Actions or Azure DevOps • Scripting: PowerShell or Python • Preferred: Experience with Da Vinci PDex & Prior Auth IGs • Preferred: Security tools like Pester, Checkov Standards & Security • Strong knowledge of HL7 FHIR R4, SMART on FHIR, HIPAA • Familiar with CMS interoperability & reporting rules • Preferred: HITRUST CSF implementation experience\\ Testing & Operations • Performance and load testing • Automated regression testing • Azure Monitor & Log Analytics • Preferred: Chaos/resiliency testing on Azure Soft Skills • Strong written and verbal communication • Agile/Scrum experience • Stakeholder-facing capabilities • • Preferred: Mentoring or team leadership experience