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Added 15 days ago
FG
MANGO - Assistant Store Manager/Assistant(e) gérant(e) de magasin - St Bruno
Fox Group Canada Inc.
Saint-Bruno-de-Montarville, QC · Saint-Bruno-de-Montarvill, Quebec
- Full-time
Offrir et assurer en tout temps une expérience client exceptionnelle.
Added 15 days ago
A
Estates Administrator, Temporary
Aviso
Vancouver, BC
- $55,000 to $65,000 CAD / year
- Temporary
Reporting to the Manager, Operations, the Estates Administrator is responsible for the processing of estates settlements and tax reporting for registered and non-registered accounts within…
Added 15 days ago
A
Estates Administrator, Temporary
Aviso
Toronto, ON
- $55,000 to $65,000 CAD / year
- Temporary
Reporting to the Manager, Operations, the Estates Administrator is responsible for the processing of estates settlements and tax reporting for registered and non-registered accounts within…
Added 15 days ago
RT
Sr. Software Developer - Full Stack
Russell Tobin
Toronto, ON
- $90 to $95 CAD / hour
- Contract
…standards and provincial services, including the Hospital Report Manager (HRM) Standard, Provider Registry, Client Registry, and eReferral, covering message transformation, validation,…
Added 15 days ago
HA
Banquet Manager
Hotel Arts Group
Calgary, AB
- Full-time
Must have 5 Class Driver’s License required and provide a clean Driver's Abstract with a minimum of 5 years’ experience · Must possess excellent communication skills - both written and verbal
Added 15 days ago
Assistant Manager, Security Operations Centre
Scotiabank
Toronto, ON
Manage personal development to ensure knowledge and skills relative to the Assistant Manager’s role is continually enhanced by:
Added 15 days ago
Product Manager
Scotiabank
Toronto, ON
Champion a customer focused culture to deepen client relationships and leverage broader Bank relationships, systems and knowledge.
Added 15 days ago
Manager, Revenue Management, Private Banking
Scotiabank
Toronto, ON
The Manager, Revenue Management, Private Banking supports revenue management initiatives across the Private Banking portfolio through the development and maintenance of profitability…
Added 15 days ago
H(
Calculations Specialist
HOOPP (Healthcare of Ontario Pension Plan)
Toronto, ON · CA ON Toronto
- $52,000 to $79,000 CAD / year
- Full-time
learning and development initiatives, including workshops, Speaker Series events and access to LinkedIn Learning, that support employees’ career growth
Added 15 days ago
SN
194-26-1 Band Representative Supervisor Outreach
Six Nations
Ohsweken, ON
- Full-time
…reports to and works under the direction and supervision of the Manager Band Representative Services or designate. This position works collaboratively with the Band Representative…
Added 15 days ago
ON
Labour Relations Officer - Servicing
Ontario Nurses' Association
Windsor, ON
- Full-time
…offer benefits and insurance, provide tailored education and development opportunities and much more. We confront governments, administrations and other policymakers head on to fight for…
Added 15 days ago
R
Assistant Branch Manager
RBC
Prince George, BC
- Full-time
As an Assistant Branch Manager, you motivate and coach a high-performing team of Advisors in a dynamic, high-volume, and rewarding marketplace, while establishing and achieving team…
Added 15 days ago
R
Senior Relationship Manager, Retail Financial Services
RBC
Montreal, QC
- Full-time
We are looking for a Senior Relationship Manager, Retail Financial Services to join our Automotive Finance team. In this strategic role, you will be responsible for developing and…
Added 15 days ago
T
Personal Banking Associate (Part time, 18.75h)- Jean-Talon & Querbes
TD
Montreal, QC
- Part-time
…opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been…
Added 15 days ago
T
Personal Banking Associate Trainee
TD
Toronto, ON
- Full-time
…opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been…
Added 15 days ago
T
Personal Banking Associate Trainee
TD
Bowmanville, ON
- Full-time
…opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been…
Added 15 days ago
T
Personal Banking Associate Trainee (North York, Central Toronto) - Current and Future Opportunities
TD
Toronto, ON
- Full-time
…opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been…
Added 15 days ago
T
Software Engineer II (SDET)
TD
Toronto, ON
- Full-time
…opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been…
Added 15 days ago
SL
District Manager
Sun Life
Levis, QC · Quebec, QC · Trois-Rivières, QC
- Full-time
Must hold a valid life insurance agent's license in the provinces in the District’s location · Must hold a valid mutual fund license
Added 15 days ago
TS
Community & Family Services Worker
The Salvation Army Canada and Bermuda Territory
High River, AB · Foothills Church & Community Ministries
- Part-time
Assist the CFS Program Manager/Corps/Community Ministries Officer to implement, facilitate, and development of Community-based programs.
Added 15 days ago
C
Senior Project Manager, IT
CIBC
Toronto, ON
- Full-time
You need to be legally eligible to work at the location(s) specified above and, where applicable, must have a valid work or study permit
Added 15 days ago
Design Manager – Water/Wastewater
GHD Group Pty Ltd
Waterloo, ON
…dynamic and motivated individual to take on the role of Design Manager – Water/Wastewater based out of any of our GTA offices - Waterloo, Toronto, Mississauga, Markham,…
Added 15 days ago
B
Mortgaga Specialist
BMO
Brampton, ON
- Full-time
Provides customers with friendly, courteous, and professional service in response to queries and requests to identify client needs for banking products (e.g. everyday banking, lending, and…
Added 15 days ago
Project Manager
DOF
Paradise, NL
DOF Canada is currently seeking a detailed oriented and client focused individual for the position of Project Manager to join our Project Delivery team. A key to success for this position…
Added 15 days ago
HA
Banquet Manager
Hotel Arts Group
Calgary, AB
- Full-time
Must have 5 Class Driver’s License required and provide a clean Driver's Abstract with a minimum of 5 years’ experience · Must possess excellent communication skills - both written and verbal

Russell Tobin

Sr. Software Developer - Full Stack

Toronto, ON, Canada

$90 to $95 CAD / hour · Contract

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Job details

Pay: $90 to $95 CAD / hour
Job type: Contract
Apply by: Nov 27, 2026
Posting language: English
Posted: Oct 28, 2026

Original job description

Russell Tobin & Associates is hiring on behalf of one of its esteemed clients.

Job Title: Sr. Software Developer - Full Stack

Location: Toronto, ON (Hybrid)

Duration: 124 Business Days with Possible Extension

Client: Public Sector

Pay Rate: $90 - $95/hr [CAD]

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

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

Public Sector Experience: must have

If this opportunity matches your experience and career goals, please share your most updated resume for consideration.

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More about this job

Responsibilities

Design and implement FHIR SubscriptionTopic definitions and subscription lifecycle workflows, replacing polling-based processes with event-driven integrations using Java, Node.js, AWS Lambda, and asynchronous queues. Build and support SMART on FHIR React applications and Mirth/HL7 v2 integrations, while ensuring conformance, reliable event processing, security, observability, testing, and operational readiness.

Requirements

Requires advanced hands-on experience with FHIR Subscriptions and SubscriptionTopic, Java and Node.js services, AWS Lambda and queue-based event processing, and React applications using SMART on FHIR. Also requires NextGen Connect (Mirth), HL7 v2, Ontario digital health standards and services, and public sector experience; no education requirement is stated.

Skills

FHIR Subscriptions
FHIR SubscriptionTopic
Java
Node.js
AWS Lambda
Asynchronous Queues
React
SMART on FHIR
NextGen Connect (Mirth)
HL7 v2
REST APIs
FHIR Integrations
Amazon SQS
Amazon SNS
Amazon EventBridge
Ontario Digital Health Standards

Visa sponsorship

Not detected in the job text

Keywords

FHIR R5
FHIR Subscription
SubscriptionTopic
Notification Bundles
Java
Node.js
React
SMART on FHIR
AWS Lambda
Amazon SQS
Amazon SNS
Amazon EventBridge
Amazon API Gateway
Amazon CloudWatch
NextGen Connect (Mirth)
HL7 v2
REST APIs
Enterprise Pub/Sub
Hospital Report Manager (HRM)
Provider Registry
Client Registry
eReferral
Idempotency
Dead-Letter Handling
FHIR Profiles
Conformance Testing
Infrastructure as Code
CI/CD Pipelines
Personal Health Information
Public Sector

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Jobs in Canada