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Added 6 mins ago
B&
Accounting Manager
Black & McDonald Limited
Markham, ON
- $95,000 to $110,000 CAD / year
- Full-time
The Accounting Manager will work in conjunction with the Regional Controller to undertake and manage the financial and administration affairs of the assigned regions/company in accordance…
Added 6 mins ago
R
Credit Coordinator
Roofmart
Brampton, ON · Roofmart Brampton Office
- Full-time
…procedures are followed. You will report to the National Credit Manager and work closely with customers and key members of the…
Added 6 mins ago
FC
Team Manager Insurance Operations
Fidelity Canada
Mississauga, ON
- Full-time
The Team Manager, Insurance Operations is responsible for establishing and leading Fidelity Wealth's Insurance Operations function. This is a foundational leadership role accountable for…
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Shift Manager
Ricoh
Toronto, ON
- Full-time
Ensures the quality of operations for shift by achieving the appropriate percentage on Best Practices Audit and Deadline Compliance on MIS Sales Analysis.
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Contract Manager
JR Automation
Toronto, ON
- Full-time
Commercial Contract Manager supporting the business in bids and project contract management for the Signaling and Rail Solutions Line of Business in the Americas region.
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Contract Manager / Gestionnaire de contrats
JR Automation
Montreal, QC
- Full-time
Commercial Contract Manager supporting the business in bids and project contract management for the Signaling and Rail Solutions Line of Business in the Americas region.
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HSSE Manager - New construction
JR Automation
London, ON
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Technical Specialist, Quality Assurance
JR Automation
Burnaby, BC
- Full-time
The Technical Specialist, Quality Assurance assumes the role of Quality Assurance Manager (QAM) within the Product/Project team organization and has the responsibility of assuring the…
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Gestionnaire financier(ère)
Wilson
Montmagny, QC
- $100,000 to $120,000 CAD / year
- Full-time
Partnering with a leading print product manufacturer, we are seeking a Plant Finance Manager to serve as a key operational leader. This role drives core plant FP&A, including budgeting,…
Added 21 mins ago
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Quality Systems Coordinator
Winpak
Winnipeg, MB
- Full-time
Reporting to the Manager, Quality & Food Safety Systems, this position coordinates customer complaints, root-cause analysis, corrective and preventive actions (CAPAs), supplier quality…
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Quality Control Inspect.
Mastronardi Produce
Surrey, BC
- Full-time
…essential function of this position is to assist the Quality Manager with all daily activities and to ensure that all product meets customer…
Added 37 mins ago
Warehouse Manager, Fleet and Facilities
Enercare
AB
Role: Warehouse Manager, Fleet and Facilities
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Property Accountant
QuadReal Property Group
Toronto, ON
- Full-time
Reporting directly to the Accounting Manager, the Property Accountant is responsible for adding value to QuadReal by providing meaningful financial information that is professional,…
Added 1 hour ago
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Project Manager
Veriday Inc
Mississauga, ON
- $70 to $90 CAD / hour
- Contract
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Assistant Cook - Part-time
Cogir Senior Living
Kawartha Lakes, ON · Bloom Lindsay
- Part-time
Reporting to the Culinary Manager, the Assistant Cook is responsible for preparation and delivery of all foods for residents, guests and employees.
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Manager, Payments Data Governance
Metrolinx
Toronto, ON
- Full-time
The Manager, Payments Data Governance is responsible for operationalizing data governance requirements across Payments, including data governance strategies and frameworks,…
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Project Manager - IMA
Veriday Inc.
Mississauga, ON
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Accountant
Metro Supply Chain
Mississauga, ON
- $60,000 to $70,000 CAD / year
- Full-time
This role reports to a Finance Manager or Controller and supports our Operations Finance team of over 20 finance professionals. It is a team-oriented and collaborative organization of…
Added 2 hours ago
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Controller
WP Osborne Executive Search Inc.
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Lead the annual audit process, coordinating with external auditors, preparing and reviewing audit working papers to ensure the timely completion of audited financial statements.
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Nurse Practitioner - Full-Time
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Added 2 hours ago
RM
Payroll Specialist
Regional Municipality of Peel
Canada
- Other
Act as back-up to the Payroll Manager and support the successful delivery of payroll operations during peak periods and critical business cycles.
Added 2 hours ago
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Job ID #32296: Manager, IT Infrastructure
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Hamilton, ON
- Full-time
Reporting to the CISO and Director, IT Infrastructure, the Manager, IT Infrastructure provides strategic and operational leadership for the City’s enterprise infrastructure and…
Added 3 hours ago
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Manager, Financial Reporting & Operations
Honda Canada Inc.
Markham, ON
- Full-time
The Manager, Financial Reporting & Operations leads two core Finance functions: Financial Operations and Financial Reporting. The incumbent will be accountable for the accuracy, timeliness,…
Added 3 hours ago
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Principal Platform Product Manager - Billing & Authentication
Jobgether
Canada
- $148,782 to $185,977 USD / year
- Full-time
…next steps. Our partner is looking for a Principal Product Manager – Billing & Platform based in…
Added 4 hours ago
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Maarut

RQ00828 - Software Developer - Full Stack - Senior

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Posting language: English
Posted: Oct 29, 2026

Original job description

Required Skills:

Strong hands-on experience with FHIR Subscription and SubscriptionTopic, including topic definitions, resource triggers, filter criteria, subscription status and lifecycle, notification Bundles, delivery channels, heartbeat notifications, and event retrieval.
Senior-level experience developing Java and Node.js services, REST APIs, FHIR integrations, event publishers and consumers, and production application logic.
Strong experience implementing FHIR Subscription and SubscriptionTopic workflows with AWS Lambda and asynchronous queues, including notification Bundle handling, retries, dead-letter handling, idempotency, concurrency, duplicate-event handling, and replay.
Strong React development experience building production applications that use SMART on FHIR launch, authorization, context, scopes, and FHIR API integration patterns.
Hands-on experience with NextGen Connect (Mirth), HL7 v2 integration, and Ontario digital health standards and provincial services, including the Hospital Report Manager (HRM) Standard, Provider Registry, Client Registry, and eReferral, covering message transformation, validation, routing, acknowledgements, error handling, conformance testing, and production support.

Responsibilities:

Assess polling-based integrations and workflows, identify the clinical or application events that should trigger notifications, and map each workflow to the appropriate FHIR SubscriptionTopic and Subscription behaviour.
Define, implement, and maintain SubscriptionTopic resources, including supported resource triggers, event definitions, filter parameters, notification shapes, and conformance requirements.
Implement Subscription creation, validation, activation, status management, renewal, deactivation, delivery configuration, heartbeat handling, event retrieval, and subscriber lifecycle controls.
Design, develop, test, and support Java and Node.js services that publish events, manage subscriptions, consume notification Bundles, call FHIR APIs, and route resulting actions to application workflows.
Develop and maintain AWS Lambda functions and queue-based integrations for asynchronous event processing, validation, enrichment, workflow coordination, and downstream application updates.
Implement reliable processing controls for idempotency, duplicate detection, retries, dead-letter handling, controlled concurrency, ordering where required, reconciliation, replay, and recovery.
Develop and support React applications that use SMART on FHIR to present subscription-related workflows, launch within supported contexts, obtain authorized FHIR access, and interact with FHIR resources and application APIs.
Develop and maintain NextGen Connect (Mirth) channels that receive, transform, validate, route, and acknowledge HL7 v2 messages and connect those workflows to FHIR resources, application services, and Enterprise Pub/Sub events.
Validate Subscription, SubscriptionTopic, notification Bundle, and related FHIR resource instances against the applicable FHIR definitions, The Agency profiles, terminology, and business rules.
Implement event correlation, structured logging, metrics, alerts, audit records, subscription health monitoring, and operational dashboards so teams can trace processing across publishers, Enterprise Pub/Sub, subscribers, and downstream applications.
Create and maintain unit, integration, contract, conformance, interface, regression, end-to-end, performance, and failure-recovery tests covering FHIR subscription workflows, backend services, serverless processing, HL7 v2, and React components.
Apply secure configuration, authentication, authorization, least-privilege access, privacy-aware logging, and appropriate handling of personal health information, and prepare technical designs, mappings, runbooks, and knowledge-transfer materials with project stakeholders.

Desired Skills:

Experience implementing the FHIR R5 Subscription model or the R5 subscription backport for earlier FHIR releases, including SubscriptionTopic, rest-hook or websocket delivery, status notifications, heartbeat notifications, and event retrieval.
Experience with AWS messaging, integration, and observability services such as Amazon SQS, Amazon SNS, Amazon EventBridge, Amazon API Gateway, and Amazon CloudWatch.
Experience with infrastructure as code, automated build and deployment pipelines, containerized workloads, configuration management, and automated security scanning.
Experience defining versioned FHIR profiles, event schemas, interface contracts, compatibility rules, correlation identifiers, and governance practices for shared enterprise integrations.
Experience using NextGen Connect (Mirth) to integrate with Ontario digital health standards and provincial services, including the Hospital Report Manager (HRM) Standard, Provider Registry, Client Registry, and eReferral, with hands-on responsibility for HL7 v2 transformation, validation, routing, acknowledgements, conformance testing, and production support.

Required Competencies:

Advanced FHIR Subscription and SubscriptionTopic experience, including resource triggers, filter criteria, lifecycle and status management, notification Bundles, delivery channels, heartbeat notifications, event retrieval, validation, and conformance testing.
FHIR Subscription and SubscriptionTopic implementation experience for event-driven clinical workflows, including topic and event design, subscription filters and lifecycle management, notification Bundle processing, asynchronous queue processing, idempotency, retries, dead-letter handling, duplicate-event handling, observability, replay, and production troubleshooting using Java, Node.js, and AWS Lambda.
React and SMART on FHIR experience, including launch and authorization flows, scopes, context handling, FHIR API integration, accessible user-interface development, automated testing, and secure handling of clinical information.
NextGen Connect (Mirth), HL7 v2, and Ontario digital health standards experience, including the Hospital Report Manager (HRM) Standard, Provider Registry, Client Registry, and eReferral, covering message transformation, validation, routing, acknowledgements, error handling, interface and conformance testing, production support, and integration with FHIR, Java, Node.js, or serverless components.

Rated Criteria:

Advanced FHIR Subscription and SubscriptionTopic experience, including resource triggers, filters, lifecycle and status management, notification Bundles, delivery channels, heartbeat notifications, event retrieval, validation, and conformance testing. 25 Points
Demonstrated FHIR Subscription and SubscriptionTopic implementation experience using Java, Node.js, AWS Lambda, and asynchronous queues, including topic and event design, subscription filters and lifecycle management, notification Bundle processing, idempotency, retries, dead-letter handling, duplicate-event handling, replay, observability, and production troubleshooting. 25 Points
React and SMART on FHIR experience, including launch and authorization flows, scopes, context handling, FHIR API integration, accessible user-interface development, and testing. 25 Points
NextGen Connect (Mirth) and HL7 v2 integration experience, including transformation, validation, routing, acknowledgements, error handling, interface testing, and integration with Ontario digital health standards and provincial services such as the Hospital Report Manager (HRM) Standard, Provider Registry, Client Registry, and eReferral. 25 Points

Requirements

Deliverables:

FHIR SubscriptionTopic definitions and supporting artifacts that document event triggers, supported filters, notification content, delivery expectations, and conformance rules for assigned Enterprise Pub/Sub workflows.
Subscription lifecycle components for creation, validation, activation, status management, renewal, deactivation, delivery configuration, heartbeat handling, event retrieval, and subscriber support.
Updated Agency applications and workflows that integrate with Enterprise Pub/Sub and replace assigned polling-based processes with FHIR subscription-driven event processing.
Production-ready Java and Node.js services, APIs, publishers, consumers, adapters, and integration components for managing subscriptions and processing FHIR events and notifications.
AWS Lambda functions and queue-based processing components for validation, enrichment, retries, dead-letter handling, idempotency, duplicate detection, reconciliation, replay, and downstream updates.
React components that use SMART on FHIR launch, authorization, context, scopes, and FHIR APIs to support the assigned subscription and application workflows.
NextGen Connect (Mirth) channels and configurations for HL7 v2 ingestion, transformation, validation, routing, acknowledgement handling, error management, and integration with FHIR and event-processing components.
FHIR profiles, examples, validation rules, event and interface mappings, contract tests, conformance tests, integration tests, end-to-end tests, and release-validation evidence.
Structured logs, metrics, alerts, dashboards, subscription health monitoring, audit records, reconciliation controls, incident diagnostics, operational procedures, and production-support runbooks.
Technical designs, API and interface specifications, workflow documentation, security and configuration notes, deployment instructions, demonstrations, release-support materials, and knowledge-transfer artifacts.

Must Haves:

Advanced FHIR Subscription and SubscriptionTopic experience, including resource triggers, filters, lifecycle and status management, notification Bundles, delivery channels, heartbeat notifications, event retrieval, validation, and conformance testing. 25 Points
Demonstrated FHIR Subscription and SubscriptionTopic implementation experience using Java, Node.js, AWS Lambda, and asynchronous queues, including topic and event design, subscription filters and lifecycle management, notification Bundle processing, idempotency, retries, dead-letter handling, duplicate-event handling, replay, observability, and production troubleshooting. 25 Points
React and SMART on FHIR experience, including launch and authorization flows, scopes, context handling, FHIR API integration, accessible user-interface development, and testing. 25 Points
NextGen Connect (Mirth) and HL7 v2 integration experience, including transformation, validation, routing, acknowledgements, error handling, interface testing, and integration with Ontario digital health standards and provincial services such as the Hospital Report Manager (HRM) Standard, Provider Registry, Client Registry, and eReferral. 25 Points

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More about this job

Responsibilities

The developer will design, implement, and maintain FHIR Subscription and SubscriptionTopic workflows to support clinical event-driven integrations. They will also develop and support Java, Node.js, and React applications while managing HL7 v2 message transformations and AWS-based asynchronous processing.

Requirements

Candidates must have advanced experience with FHIR Subscription models, Java, Node.js, and AWS Lambda for event-driven architectures. Proficiency in React, SMART on FHIR, and NextGen Connect (Mirth) for HL7 v2 integration within Ontario digital health standards is required.

Skills

FHIR
SubscriptionTopic
Java
Node.js
AWS Lambda
React
SMART on FHIR
NextGen Connect
Mirth
HL7 v2
REST APIs
Asynchronous queues
CloudWatch
System integration
Software development
Clinical workflows

Visa sponsorship

Not detected in the job text

Keywords

FHIR
SubscriptionTopic
Java
Node.js
AWS Lambda
React
SMART on FHIR
NextGen Connect
Mirth
HL7 v2
REST APIs
Amazon SQS
Amazon SNS
Amazon EventBridge
Amazon API Gateway
Amazon CloudWatch
Infrastructure as Code
Hospital Report Manager
Provider Registry
Client Registry
eReferral
Event-driven architecture
Idempotency
Dead-letter handling
Conformance testing
Clinical workflows
Enterprise Pub/Sub
System integration
Software development
Ontario digital health standards

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