At Gaine I built core components of the Sanator Provider Registry, California’s mandated healthcare provider registry under SB137, now the statewide industry standard for cross-agency medical data exchange.
The work itself was ETL pipelines and data-quality frameworks over millions of provider records, all under HIPAA and PII controls, with audit trails and governance for secure exchange. It was my first taste of building software where the regulator is a first-class user, a thread that resurfaced a decade later at EnChannel. There’s a longer write-up on the projects page.