We write candidly about the hard parts of healthcare integration - FHIR data quality, SMART on FHIR auth, why HIPAA is budget and org structure (not just code), and the liability questions most decks skip.
Building an HL7 v2 → FHIR R4 bridge two ways - a drag-and-drop integration engine and a from-scratch TypeScript converter - and learning what the translation actually involves.
Building VitalBridge - a platform that takes Fitbit and Dexcom CGM data, converts it to FHIR R4, and gives clinicians something they can actually use. A build log.
Lessons from integrating with Epic's FHIR API for a healthcare app targeting the US market - HIPAA considerations, SMART on FHIR auth, and real-world data challenges.