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Added 26 mins ago
AH
Senior Advisor
Alberta Health Services
AB · Greater Edmonton Metropolitan Area
- Full-time
…high-impact, & often sensitive workplace matters. Reporting to the Manager, you'll help develop & advance programs, & practices that support PHS. Your work will include: Partnering with…
Added 26 mins ago
AH
Licensed Practical Nurse
Alberta Health Services
AB · Edmonton, AB
- Temporary
Reporting to the Unit Manager of the Firefighters’ Burns Treatment Unit at the University of Alberta Hospital, the Licensed Practical Nurse (LPN) provides site inpatient burn dressing…
Added 26 mins ago
AH
Health Care Aide - Mackenzie Place Type A Continuing Care Home
Alberta Health Services
Grande Prairie, AB
- Part-time
The Health Care Aide position will be based out of the Enhanced Care Unit., Type A Continuing Care Home; however, it may involve working on all units at Mackenzie Place when required.…
Added 26 mins ago
AH
Operational Clinical Informatics Lead
Alberta Health Services
AB · Greater Edmonton Metropolitan Area
- Full-time
Transition Company: Health Shared Services Classification: Senior Project Manager Union: Exempt Unit and Program: Clinical Operations Informatics Office Primary Location: Aberhart Centre…
Added 26 mins ago
AH
Administrative Support IV
Alberta Health Services
AB · Greater Edmonton Metropolitan Area
- Full-time
Join the Clinical Trials Unit (CTU) at the forefront of cancer research and treatment. This position provides senior administrative, reception, and secretarial support to the CTU Medical…
Added 26 mins ago
AH
Registered Psychiatric Nurse - Continuing Care
Alberta Health Services
AB · Greater Edmonton Metropolitan Area
- Part-time
…the successful candidate will report directly to the CCPCS Manager. The incumbent will work with other clinical teams (e.g., NP, SW), Contracted Service Providers (CSP), and the team’s…
Added 26 mins ago
AH
Health Care Aide - Regularized Relief Team
Alberta Health Services
Grande Prairie, AB
- Part-time
Transition Company: Assisted Living Alberta Classification: Health Care Aide Union: AUPE AUX Unit and Program: Mackenzie Place Regularized Relief Team for Type A and B Continuing Care Home…
Added 26 mins ago
AH
Health Care Aide, Regularized Relief Team
Alberta Health Services
Grande Prairie, AB
- Part-time
Transition Company: Assisted Living Alberta Classification: Health Care Aide Union: AUPE AUX Unit and Program: Mackenzie Place Regularized Relief Team for Type A and Type B Continuing Care…
Added 26 mins ago
AH
Therapy Assistant
Alberta Health Services
Grande Prairie, AB
- Full-time
…share the opportunities and discuss your areas of interest. Our manager’s phone number is 780 538 7360. Along with a variety of career development opportunities, we offer a competitive rate…
Added 26 mins ago
AH
Health Care Aide - Regularized Relief Team
Alberta Health Services
Grande Prairie, AB
- Part-time
Transition Company: Assisted Living Alberta Classification: Health Care Aide Union: AUPE AUX Unit and Program: Mackenzie Place Regularized Relief Team Type A and B Continuing Care Home…
Added 26 mins ago
AH
Administrative Support V
Alberta Health Services
Red Deer, AB
- Part-time
Reporting to the Women’s Health Patient Care Manager, the Administrative Support V provides comprehensive scheduling and administrative support to the Women’s, Children’s, and Respiratory…
Added 26 mins ago
AH
Licensed Practical Nurse
Alberta Health Services
Three Hills, AB
- Temporary
As a Licensed Practical Nurse, you will report to the Site Manager at the Three Hills Health Centre. You will work in a fast-paced environment in Acute Care, Emergency Department and Labour…
Added 26 mins ago
AH
Occupational Therapist I
Alberta Health Services
Didsbury, AB
- Full-time
…into service authorization. Reporting to the designated Care Manager within Home Care, the OT Case Manager-Interventionist works as a member of an inter-professional health care team;…
Added 26 mins ago
AH
Administrative Support V
Alberta Health Services
Red Deer, AB
- Temporary
…workflows in collaboration with the Scheduling Service Centre (SSC) Manager. You will provide scheduling support for Unit Managers, Charge Nurses and Relief Team Managers to ensure unit…
Added 26 mins ago
AH
Therapy Assistant
Alberta Health Services
Stettler, AB
- Full-time
…support of the Therapists, the Clinical Lead, the Allied Health Manager, and share work with another Therapy Assistant. Stettler is located in the “Heart of Alberta”, just 179km southeast…
Added 26 mins ago
AH
Administrative Support V
Alberta Health Services
Red Deer, AB
- Temporary
…workflows in collaboration with the Scheduling Service Centre (SSC) Manager. You will provide scheduling support for Unit Managers, Charge Nurses and Relief Team Managers to ensure unit…
Added 26 mins ago
AH
Service Worker I
Alberta Health Services
Rocky Mountain House, AB
- Temporary
…to move onto Buddy Shifts. Buddy Shifts are scheduled by the Unit Manager (2 weeks). A satisfactory performance is required during Buddy Shifts to be considered a…
Added 26 mins ago
AH
Registered Nurse
Alberta Health Services
Rocky Mountain House, AB
- Temporary
Classification: Registered Nurse Union: United Nurses of Alberta Unit and Program: Acute Care, Emergency Primary Location: Rocky Mountain House HC Location Details: As Per Location…
Added 26 mins ago
AH
Cardiology Technologist I
Alberta Health Services
Calgary, AB · Greater Calgary Metropolitan Area
- Part-time
…recruiting a casual, Cardiology Technologist I. Reporting to the Unit Manager of Cardiac Diagnostics and Clinics, the Cardiology Technologist is responsible for the performance of various…
Added 26 mins ago
AH
Diagnostic Sonographer I
Alberta Health Services
Calgary, AB · Greater Calgary Metropolitan Area
- Part-time
Reporting to the Diagnostic Imaging Manager and supervisor, this position supports a safe and efficient patient and family centered care experience. This position is responsible for…
Added 26 mins ago
AH
Licensed Practical Nurse - Orthopaedic Technician
Alberta Health Services
Calgary, AB · Greater Calgary Metropolitan Area
- Part-time
…at the Peter Lougheed Centre is an 88-bed, interdisciplinary unit providing care to patients across a wide range of acuity levels. Reporting to the Unit Manager, the Registered Orthopedic…
Added 26 mins ago
AH
Nuclear Medicine Technologist II
Alberta Health Services
Calgary, AB · Greater Calgary Metropolitan Area
- Temporary
Reporting to the Diagnostic Imaging Manager, the Multi Modality Supervisor is responsible for the day to day operations of Diagnostic Imaging services, providing operational leadership and…
Added 26 mins ago
AH
Cardiology Technologist I
Alberta Health Services
Calgary, AB · Greater Calgary Metropolitan Area
- Temporary
…temporary, full-time, Cardiology Technologist I. Reporting to the Unit Manager of Cardiac Diagnostics and Clinics, the Cardiology Technologist is responsible for the performance of various…
Added 26 mins ago
AH
Licensed Practical Nurse - Orthopaedic Technician-Emergency Department
Alberta Health Services
Calgary, AB · Greater Calgary Metropolitan Area
- Part-time
…at the Peter Lougheed Centre is an 88-bed, interdisciplinary unit providing care to patients across a wide range of acuity levels. Reporting to the Unit Manager, the Registered Orthopedic…
Added 26 mins ago
AH
Dietitian I - Inpatient Eating Disorder Program
Alberta Health Services
Calgary, AB · Greater Calgary Metropolitan Area
- Temporary
This Dietitian I position with Alberta Health Services, Nutrition Services (NS) reports directly to the Manager, Nutrition Services, Pediatrics & Eating Disorders, Calgary Corridor. The…

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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