Senior Fhir Integration Developer Toronto

FHIR Subscription expertise anchors this senior Full Stack Developer contract with Russell Tobin & Associates in hybrid Toronto, Ontario. Build event-driven health integrations using Java, Node.Js, and AWS Lambda.The senior developer will implement FHIR Subscription and SubscriptionTopic workflows for a public-sector client. The work spans REST APIs, asynchronous queues, React, SMART on FHIR, and production application logic. You will also support Ontario digital health integrations through NextGen Connect and HL7 v2.Key Responsibilities:
Define FHIR SubscriptionTopic triggers, filters, notifications, and conformance requirementsImplement subscription creation, validation, activation, renewal, and deactivationDevelop Java and Node.Js services processing notification BundlesBuild AWS Lambda and queue-based asynchronous event integrationsSupport React applications using SMART on FHIR workflowsRequirements:
Advanced FHIR Subscription and SubscriptionTopic implementation experienceSenior-level Java, Node.Js, REST API, and FHIR integration experienceHands-on AWS Lambda, asynchronous queues, retries, and idempotency experienceStrong React and SMART on FHIR development experienceNextGen Connect, HL7 v2, and Ontario digital health experienceApply senior Java, Node.Js, FHIR, React, and AWS integration expertise to Toronto public-sector healthcare workflows.
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