Java Software Engineer
Posted
Summary
Java full-stack engineer in Toronto building healthcare interoperability services: Java/Spring Boot REST APIs with HAPI FHIR (FHIR R4/DSTU2), HL7 v2 and NextGen Connect (Mirth) integration per Ontario standards, a ReactJS front end with FHIR subscriptions, and secure containerized delivery using OAuth 2.0, mTLS, and Docker.
- Java, Spring Boot, REST API, and HAPI FHIR development experience, including hands-on processing of FHIR R4 and DSTU2 resources in production-grade services.
- NextGen Connect (Mirth) and HL7 v2 integration experience, including transformation, validation, routing, acknowledgements, error handling, Java-service integration, and practical experience with the Ontario HRM Standard.
- ReactJS full-stack development experience and hands-on knowledge of FHIR Subscriptions and Ontario Health Enterprise Pub/Sub, including translating physician-level preferences into subscription filter criteria.
- Secure application and container delivery experience using OAuth 2.0, mTLS, Docker, automated testing, configuration management, audit logging, and production troubleshooting.
