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Added 10 hours ago
AW
Estates Administrator, Temporary
Aviso Wealth
Remote, Canada
- $55,000 to $65,000 CAD / year
- Temporary
- Remote
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 10 hours ago
AW
Estates Administrator, Temporary
Aviso Wealth
Remote, Canada
- $55,000 to $65,000 CAD / year
- Temporary
- Remote
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 10 hours ago
Production Supervisor
Aecon
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Are intentional when it comes to investing in your development. We help you build your career and advance your skills through our Aecon University, tuition reimbursement, and Leadership…
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PG
Manager, Media Planning
Publicis Groupe Holdings B.V
Toronto, ON
- Full-time
As a Planning Manager at Spark, you will oversee a team of media professionals in developing ideas and activations that drive human connections. You will lead the team in pursuing…
Added 10 hours ago
QM
Technicien(ne) comptable / Accounting Technician
Quantum Management Services Ltd.
Pointe-Claire, QC
- $60,000 to $65,000 CAD / year
- Full-time
Notre client, un cabinet CPA en croissance situé dans l'Ouest-de-l'Île de Montréal, recherche une personne rigoureuse, autonome et motivée à développer sa carrière au sein d'une équipe à…
Added 10 hours ago
CF
Senior Manager, Military Family Services (Paid Relocation to Cold Lake, AB)
Canadian Forces Morale and Welfare Services
Cold Lake, AB
- $112,490 to $140,650 CAD / year
- Full-time
The Senior Manager will lead and manage the implementation, evaluation and reporting of key initiatives as directed by Associate Director, Resilience and Engagement, Policy and Program…
Added 10 hours ago
FR
Account Manager
Foresight Recruitment Group
Mississauga, ON
- $75,000 to $85,000 CAD / year
- Full-time
With a strong reputation for service excellence, professional development, and long-standing client partnerships, our client is focused on building high-performing teams that deliver…
Added 10 hours 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 10 hours ago
RB
Assistant Branch Manager
Royal Bank of Canada
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- Full-time
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Added 10 hours ago
CH
Registered Dietitian Practice Lead
CBI Home Health
London, ON · Waterloo, ON
- Part-time
Consultation with the Therapy Care Supervisor (TBD) and Therapy Client Services Manager to resolve discipline-specific performance issues
Added 10 hours ago
CH
Uncertified Health Care Aide - Brandon
CBI Home Health
Brandon, MB
- Part-time
…perform light exercises. You will act at all times with the client and their family at the heart of all you do, observing, documenting, and reporting any changes in their condition to your…
Added 10 hours 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 10 hours 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 10 hours 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 10 hours 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 10 hours ago
FG
MANGO - Assistant Store Manager/Assistant(e) gérant(e) de magasin - St Bruno
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Saint-Bruno-de-Montarville, QC · Saint-Bruno-de-Montarvill, Quebec
- Full-time
Offrir et assurer en tout temps une expérience client exceptionnelle.
Added 10 hours 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 10 hours 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 10 hours 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 10 hours ago
HA
Banquet Manager
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Calgary, AB
- Full-time
Hotel Arts is seeking a Banquet Manager to lead the planning and execution of exceptional banquet events. This hands-on leadership role is responsible for guest experience, operational…
Added 10 hours ago
Assistant Manager, Security Operations Centre
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Manage personal development to ensure knowledge and skills relative to the Assistant Manager’s role is continually enhanced by:
Added 10 hours ago
Product Manager
Scotiabank
Toronto, ON
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Added 10 hours 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 10 hours 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 10 hours 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…

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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