Build FHIR event-driven integrations in Toronto using Java, Node.Js, AWS Lambda, and SubscriptionTopic expertise. This senior position requires ten-plus years of experience.The Senior Full Stack Software Developer designs subscription workflows replacing polling-based processes with event notifications. You will implement FHIR Subscription lifecycles, notification Bundles, asynchronous queues, retries, and replay. The work also includes REST APIs, FHIR integrations, and production application logic.Key Responsibilities:
Define SubscriptionTopic triggers, filters, notification shapes, and conformance requirementsImplement subscription creation, activation, renewal, deactivation, and status managementDevelop Java and Node.Js services, publishers, consumers,



and FHIR APIsBuild AWS Lambda and queue-based event processing integrationsImplement idempotency, retries, dead-letter handling, replay, and reconciliationRequirements:
Ten-plus years of qualified work experienceAdvanced FHIR Subscription and SubscriptionTopic implementation experienceJava, Node.Js, AWS Lambda, and asynchronous queue experienceExperience processing notification Bundles and FHIR event workflowsExperience with validation, conformance testing, and production troubleshootingApply senior Java, Node.Js, AWS Lambda, and FHIR Subscription expertise to Toronto-based event-driven healthcare integrations.
J-18808-Ljbffr

📌 Senior Fhir Integration Software Developer Winnipeg (Canada)
🏢 Maarut
📍 Canada