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Added 2 days ago
UO
Applications Technical Lead
University of British Columbia
Vancouver, BC · UBCV | The Leonard S. Klinck Building (LSK)
- $11,397 to $17,081.58 CAD / month
- Full-time
…300+ integrations/applications. The role guides the design, development, implementation, and maintenance of integration solutions, including the resolution of complex technical issues. They…
Added 2 days ago
CO
Supervisor, Roads
City of Markham
Markham, ON
- $109,744 to $143,867 CAD / year
- Full-time
Reporting to the Sr. Manager, Roads & Survey, you will be responsible for the coordination, supervision and administration of roads maintenance functions within an assigned geographic area…
Added 2 days ago
T
Sr. Product Solution Analyst, TD Securities
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 2 days ago
FI
Senior Full Stack Software Developer (FHIR)
Flexstaf I.T. Inc.
Toronto, ON · Greater Toronto Area, Canada
- Contract
React and SMART on FHIR experience, including launch and authorization flows, scopes, context handling, FHIR API integration, accessible user-interface development, and testing.
Added 2 days ago
VS
Senior Software Developer
vTech Solution Canada
Toronto, ON
- Contract
…backend, serverless integration, interface, and user-interface development. The resource will define and implement FHIR Subscription and SubscriptionTopic behaviour; build Java and Node.js…
Added 2 days ago
TA
Sr Manager/ Associate Director - HR Analytics
Tiger Analytics
Canada
- Full-time
…largest and most influential organizations to redefine how business gets done. We help Fortune 500 companies harness the power of Artificial Intelligence, Generative AI, Data Science, Data…
Added 3 days ago
Sr Project Manager
The Canada Life Assurance Company
Winnipeg, MB · London, ON · Toronto, ON
The Senior Project Manager plays a critical role in leading large, high-risk, multi-workstream digital transformation projects with significant business impact, within the Technology PMO,…
Added 3 days ago
F
Warehouse Supervisor
Factor_
Calgary, AB
- Full-time
Shift: Monday - Friday: 7:00 AM - 3:30 PM - flexibility required based on business needs
Added 3 days ago
O
Sr. Software Developer
OpenText
Richmond Hill, ON
- Full-time
…and navigating ambiguity with resiliency, while fostering the development of less experienced team members through design discussions, code reviews, and knowledge…
Added 3 days ago
K
Sr. Brand Manager (KT by Knix)
Knix
Toronto, ON
- From $110,000 CAD / year
- Full-time
…using data and insights to challenge assumptions and drive business…
Added 3 days ago
BH
Property Representative 2 (Interconnections and Site C)
BC Hydro
Vancouver, BC
- Full-time
Develops and prepares recommendations to optimize land use and development for BC Hydro's Real Estate assets by: researching and analyzing economic, social, environmental and political…
Added 3 days ago
S
Sr. Staff Technical Program Manager - Payments (Canada )
Shopify
Canada
- Full-time
Opportunity is not evenly distributed. Shopify puts independence within reach for anyone with a dream to start a business. Since 2006, we’ve grown to 10,000 employees and generated over…
Added 3 days ago
C
Sr. Manager, Email and Distributed Marketing
CIBC
Toronto, ON
- Full-time
As Senior Manager, Email and Distributed Marketing, you will support the strategy and lead the execution, governance, optimization, and ongoing management of advisor- and business-driven…
Added 3 days ago
T
Senior Program Manager, Talent Development
Twilio
Remote, Canada
- Full-time
- Remote
Join the team as Twilio’s next Sr. Program Manager, Talent Development
Added 3 days ago
NN
Sr Manager, Medical Science Liaison
Novo Nordisk
Toronto, ON
- Full-time
As Senior Manager, Medical Science Liaison, you will lead the field team that brings Novo’s cardiometabolic medical strategy to life across Ontario and Quebec. You will coach Medical…
Added 3 days ago
LA
Sr. Manager, Media Strategy - 12 Month Contract
Loblaw Agency
Montreal, QC
- Full-time
The Senior Manager, Media Strategy – Maxi Business serves as the primary strategic media partner for Maxi and key Quebec-based business stakeholders. This role is responsible for developing…
Added 3 days ago
DE
Senior Pricing Analyst
DHL Express
Mississauga, ON
- Full-time
…every team member to make the greatest possible impact on our business. Our corporate culture is about personal commitment – to our business, to each other and to our global communities.…
Added 3 days ago
B
Senior Manager, Finance & Controlling
Brunel
ON · Ontario, Canada
- Full-time
We are seeking a highly motivated and business-oriented Senior Manager Finance & Controlling to join our client’s growing organization.
Added 3 days ago
CR
Senior System Administrator ERP (Yardi)
Chartwell Retirement Residences
Mississauga, ON
- $115,000 to $120,000 CAD / year
- Full-time
Reporting to the Director Information Systems, ERP this role will provide business process and technical support in the configuration and management of Chartwell’s ERP portfolio. They will…
Added 3 days ago
ML
Sr. Manager, HR - Commercial
Maple Leaf Foods Inc.
Mississauga, ON
- $122,000 to $172,000 CAD / year
- Full-time
We’re a global food company with approximately 10,000 team members. We operate sites in 20+ locations across Canada. We also have locations in the U.S. and Mexico and do business in Asia.
Added 3 days ago
ML
Sr. Health & Safety Manager
Maple Leaf Foods Inc.
Mississauga, ON
- $122,000 to $172,000 CAD / year
- Full-time
We’re a global food company with approximately 10,000 team members. We operate sites in 20+ locations across Canada. We also have locations in the U.S. and Mexico and do business in Asia.
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KC
Vice-President (Sr. Manager), Corporate Finance
KPMG Canada
Toronto, ON
- Full-time
Lead proactive business development and deal initiation activities.
Added 3 days ago
BH
Property Representative 2 (Indigenous Land Services)
BC Hydro
Vancouver, BC
- $104,800 to $112,800 CAD / year
- Full-time
Develops and prepares recommendations to optimize land use and development for BC Hydro's Real Estate assets by: researching and analyzing economic, social, environmental and political…
Added 3 days ago
K
Senior Manager, Turnaround & Restructuring
KPMG
Vancouver, BC
- Full-time
Contribute to proactive business development initiatives
Added 3 days ago
Product Owner Sr
Dayforce
Canada
Provide work assignments to the Business Analysts supporting the associated development teams.

vTech Solution Canada

Senior Software Developer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 29, 2026
Posting language: English
Posted: Oct 30, 2026

Original job description

Job Title: Sr. Software Developer - Full Stack

Location: Toronto, ON

Work Mode: Hybrid (Onsite as needed basis)

Duration: 6 months contract

Description:

The Agency requires 2 Senior Full Stack Developers to support the Enterprise Pub/Sub Applications Team. The resources will update The Agency applications and associated workflows to integrate with the Agency Enterprise Pub/Sub service, which is based heavily on FHIR Subscription and SubscriptionTopic. The work will replace scheduled polling with subscription-driven event processing where appropriate so applications can respond when clinical information, referrals, reports, status changes, or other relevant events become available. The roles spans FHIR event architecture, backend, serverless integration, interface, and user-interface development. The resource will define and implement FHIR Subscription and SubscriptionTopic behaviour; build Java and Node.js services, AWS Lambda functions, and queue-based event-processing components; develop React applications that use SMART on FHIR; and configure NextGen Connect (Mirth) channels for HL7 v2 workflows. The work includes subscription lifecycle management, filtering, notification handling, application and workflow changes, testing, monitoring, and transition of existing polling processes.

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

Total: 100 Points

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More about this job

Responsibilities

Design and implement FHIR Subscription and SubscriptionTopic workflows, Java and Node.js services, AWS Lambda and queue-based event processing, React applications using SMART on FHIR, and HL7 v2 integrations through NextGen Connect. Test, monitor, secure, and support these integrations, including reliable event handling, clinical workflow updates, operational documentation, and transition from polling-based processes.

Requirements

Requires advanced hands-on experience with FHIR Subscription and SubscriptionTopic, Java and Node.js development, AWS Lambda and asynchronous event processing, and production React applications using SMART on FHIR. Also requires NextGen Connect (Mirth), HL7 v2, and Ontario digital health integration experience, including HRM, Provider Registry, Client Registry, and eReferral.

Skills

FHIR Subscriptions
FHIR SubscriptionTopic
Java
Node.js
AWS Lambda
Asynchronous Queues
React
SMART on FHIR
HL7 v2
NextGen Connect (Mirth)
REST APIs
Event-Driven Architecture
AWS Messaging Services
FHIR Integration
Ontario Digital Health Standards
Automated Testing

Visa sponsorship

Not detected in the job text

Keywords

FHIR
FHIR Subscription
SubscriptionTopic
FHIR R5
Java
Node.js
React
SMART on FHIR
AWS Lambda
Amazon SQS
Amazon SNS
Amazon EventBridge
Amazon API Gateway
Amazon CloudWatch
HL7 v2
NextGen Connect
Mirth
REST APIs
Notification Bundles
Event-Driven Architecture
Asynchronous Queues
Idempotency
Dead-Letter Handling
Hospital Report Manager
Provider Registry
Client Registry
eReferral
Ontario Digital Health Standards
Personal Health Information
Infrastructure as Code

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