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Added 3 days ago
RB
Relationship Manager, Commercial Financial Services
Royal Bank of Canada
Thunder Bay, ON
- Full-time
As our Relationship Manager Intern, you are in a proactive, face-to-face client relationship role in RBC’s Commercial Banking platform. The program is based primarily in a Commercial Centre…
Added 3 days ago
RB
Assistant Branch Manager
Royal Bank of Canada
Prince George, BC
- Full-time
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Added 3 days ago
CH
Registered Dietitian Practice Lead
CBI Home Health
London, ON · Waterloo, ON
- Part-time
Paid orientation, training and development with opportunities to grow your career
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Uncertified Health Care Aide - Brandon
CBI Home Health
Brandon, MB
- Part-time
Paid orientation, training and development with opportunities to grow your career
Added 3 days ago
Senior Fullstack Developer (Python) - AI features team
AlayaCare
Montreal, QC
…Data & Intelligence division. Reporting to the Engineering Manager, you will contribute to both frontend and backend architecture and implementation, helping guide the team in designing…
Added 3 days ago
LI
Scaled Customer Success Manager
Loopio Inc.
Remote, Canada
- $70,000 to $85,000 CAD / year
- Full-time
- Remote
Your manager supports your development by providing ongoing feedback and regular 1-on-1s, we leverage Lattice for our 1:1s and performance conversations
Added 3 days ago
CC
Retail Shift Leader
Canna Cabana
Burlington, ON · Guelph Line, Burlington, ON
- $17.95 to $19.5 CAD / hour
- Part-time
Oversee the responsibilities of the Store Manager in the absence of SM or ASM
Added 3 days ago
UH
Clinical Study and Regulatory Specialist I
University Health Network
Toronto, ON
- Full-time
The ‘Clinical Study and Regulatory Specialist I’ (CSRS I) will report to the Clinical Research Manager of the CTTU and will lead study and regulatory coordination from activation to…
Added 3 days ago
UH
Clinical Research Coordinator III (PK)
University Health Network
Toronto, ON
- Full-time
…management and coordination of several clinical studies for the Drug Development Program at Princess Margaret Cancer Centre. Studies include pharma-sponsored, cooperative group sponsored…
Added 3 days ago
R(
Assistant Store Manager - West Oaks Mall
Reitmans (Canada) Ltée/Ltd
Abbotsford, BC
- Full-time
Reporting to the Store Manager, join a team where your leadership will truly make an impact! As an Assistant Store Manager, you’ll help drive daily operations while motivating your team,…
Added 3 days ago
Director of Care - LPN
Optima Living
Red Deer, AB
Reporting to the General Manager, the Director of Care leads and oversees the delivery, quality, and coordination of resident care, ensuring compliance with regulatory standards and…
Added 3 days ago
A
Senior Manager, Business Human Resources - Allergan Aesthetics (18 month contract)
AbbVie
Markham, ON
- $134,000 to $184,000 CAD / year
- Contract
Drive people manager development to create clarity and consistency of expectations, accountability, and enriched manager/employee experiences. Partner with people leaders to shape a culture…
Added 3 days ago
Employment Consultant - Integrated Employment Services (Newmarket)
ACCES Employment
Newmarket, ON
Thorough knowledge of all facets of job search and career development including an understanding of labour market trends and resources.
Added 3 days ago
Prepared Foods - Clerk Department Second Deli
Sobeys Capital Incorporated or a Franchise/Affiliate / ou une franchise/société affiliée
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…Deli/A La Carte Department and staff in the absence of the Manager. Actively contribute to an environment of employee and customer…
Added 3 days ago
IT Infrastructure Systems Specialist
Human Resources Department - NRT Technology Corp.
Toronto, ON
…Additionally, we believe in encouraging the growth of individual development and recognize that our success depends on developing each other. We know that to be the innovative FinTech…
Added 3 days ago
HVAC Estimator
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Burlington, ON · Collingwood, ON
…Service HVAC Department. This role will report to the Service Manager, HVAC and will be responsible for preparing accurate estimates for HVAC repairs, replacements, retrofits, and small…
Added 3 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
We are looking for an Assistant Store Manager, who must be an exceptional leader who can motive, inspire, and develop the store team.
Added 3 days ago
FG
FOX CLOTHING - Shift Lead - Yorkdale Mall
Fox Group Canada Inc.
Toronto, ON
- Part-time
…may be exposed to these responsibilities through training and development by the Store Manager – hiring/interviewing, performance management, setting schedules and…
Added 3 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 3 days ago
M
Office Manager
Marcon
Langley (District), BC · Langley, BC
- $85,000 to $105,000 CAD / year
- Full-time
Marcon is seeking an experienced and highly organized Office Manager to support the day-to-day operations of our Langley and Vancouver offices. This opportunity is well suited to someone…
Added 3 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 3 days ago
BA
Director of Marketing, Events & Community Growth
Boutique Awesome
Longueuil, QC
- Full-time
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Added 3 days ago
UR
Information Technology Manager
Universal Realty Group
Halifax, NS
- Full-time
We’re seeking an experienced IT Manager who thrives in a fast-paced environment and is excited to contribute to a growing organization. This position is responsible for providing…
Added 3 days ago
RT
Sr. Software Developer - Full Stack
Russell Tobin
Toronto, ON
- $90 to $95 CAD / hour
- Contract
Strong React development experience building production applications that use SMART on FHIR launch, authorization, context, scopes, and FHIR API integration patterns.
Added 3 days ago
E
Senior Account Manager
Encircle
Kitchener, ON
- Full-time
4+ years in a quota-carrying, customer-facing role such as an account manager or account executive

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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