Founding Engineer – Data Platform

• Design and build a high-volume event-driven data platform from scratch
• Ingest and process millions of events into a lakehouse architecture
• Transform and standardize clinical data into FHIR (Fast Healthcare Interoperability Resources) format
• Build and maintain PostgreSQL and MongoDB systems at scale
• Work directly with external hospital IT teams to gather technical requirements and integrate with legacy infrastructure
• Build developer-facing public APIs for external clients
• Own the full stack from event ingestion through serving data to external clients and internal analytics
• Use AI coding tools daily to accelerate development

• 7+ years of hands-on software engineering experience, currently operating as an individual contributor shipping production code
• Proven experience designing and building high-volume event-driven architectures or event bus patterns
• Production experience with PostgreSQL and MongoDB at scale, handling millions of records
• Professional-level fluency in both Portuguese and English
• Experience with large-scale, heavy data systems in production
• Based in Latin America, or exceptional cases in Europe with willingness to work LATAM hours and travel occasionally
• Must be a hands-on individual contributor; not recently transitioned into pure management or director roles