Build event-driven healthcare applications in Toronto using FHIR Subscription architecture, Java, Node.js, and clinical integration expertise. Healthcare experience is mandatory.
This Senior Full Stack Developer role focuses on replacing scheduled polling with real-time processing for clinical information, referrals, reports, and status changes. You will work across FHIR, REST APIs, AWS, React, and SMART on FHIR. Healthcare interoperability standards and clinical workflows are central to the work.
Key Responsibilities: Design FHIR Subscription and SubscriptionTopic functionality for clinical workflows
Develop Java, Node.js, REST API, and AWS Lambda services
Build React applications with SMART on FHIR integration
Configure NextGen Connect channels for HL7 v2 messaging
Implement reliable processing,



monitoring, security, and audit controls
Requirements: Senior-level Java, Node.js, REST API, and FHIR experience
Advanced FHIR Subscription and SubscriptionTopic architecture experience
Healthcare applications, clinical workflows, and interoperability experience
AWS Lambda, asynchronous queues, retries, and idempotency experience
NextGen Connect, HL7 v2, and healthcare integration experience
Apply your FHIR, backend, and interoperability expertise to real-time clinical workflows as a Senior Full Stack Developer in Toronto.

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📌 Senior FHIR Integration Software Developer (Ontario)
🏢 ISG Search
📍 Ontario