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CA
Project Controls Lead - NexGen Rook I
Cementation Americas
La Loche, SK
- Full-time
The Project Controls Lead provides day-to-day leadership to the project controls team. The role coordinates cost, schedule, change, and reporting activities; supports continuity between…
Added 3 mins ago
R
Senior Manager, Corporate Solutions – Human Resources, Legal Services, and Service Center Solutions Portfolios (T & I) (Telework/Hybrid)
Radio-Canada
Montreal, QC
- Full-time
You will also be required to manage relationships with stakeholders across various company departments and understand CBC/Radio-Canada’s strategy to ensure that product evolution remains…
Added 4 mins ago
B
Director, Intraday Liquidity Risk Oversight
BMO
Toronto, ON
- Full-time
Provides intraday liquidity risk oversight, monitoring, and reporting for a designated portfolio. Develops and monitors the intraday liquidity risk management framework that includes the…
Added 4 mins ago
SR
Director of Finance
Serpent River First Nation
Cutler, ON
- Full-time
The Director of Finance provides strategic and operational leadership to Serpent River First Nation to ensure long-term financial sustainability, accountability, transparency, and…
Added 4 mins ago
C
Senior Manager, Corporate Solutions – Human Resources, Legal Services, and Service Center Solutions Portfolios (T & I) (Telework/Hybrid)
CBC/Radio-Canada
Ottawa, ON · Montreal, QC
- Full-time
You will also be required to manage relationships with stakeholders across various company departments and understand CBC/Radio-Canada’s strategy to ensure that product evolution remains…
Added 4 mins ago
T
Manager III, Regulatory & Policy Governance - TD Asset Management
TD
Toronto, ON
- Full-time
The TDAM Regulatory & Policy Governance group, the TDAM 1B function within the three lines of defense governance model, provides oversight of controls and management of regulatory exposures…
Added 19 mins ago
CG
Manager, Product Integrity & Compliance
Canada Goose
Toronto, ON
- Full-time
The Manager, Product Integrity & Compliance leads the integration of global regulatory, chemical, product-safety and Canada Goose standards requirements throughout the product lifecycle and…
Added 19 mins ago
CT
Manager, Analytics Engineering
Canadian Tire Corporation
Toronto, ON
- Full-time
We are seeking a hands-on, strategic Manager, Analytics Engineering to lead the modernization of enterprise data platforms from Hadoop to Microsoft Azure. A core mandate is to build…
Added 33 mins ago
KG
Manager - Health and Safety Risk and Assurance
Kinross Gold Corporation
Toronto, ON
- Full-time
Mining responsibly is a priority for Kinross, and we foster a culture that makes responsible mining and operational success inseparable. Our values-based approach ensures that…
Added 33 mins ago
Senior Manager, Data Product Management
Scotiabank
Toronto, ON
The Senior Manager, Data Product Management, is a key role within the Global Wealth Management (GWM) Data Centre of Excellence (Data CoE). Reporting to the Director, Data Product…
Added 33 mins ago
A
Co-Op Student - Project Support (DA)
AltaLink
Calgary, AB
- Other
A Co-Op Student position is available in the Project Support team. The team includes project controls analysts (PCA), project accountant administrators (PAA), capital reporting analysts and…
Added 33 mins ago
Resource Governance Advisor
Government of Alberta
AB
The ESO branch is looking for two (2) Resource Governance Advisors. Reporting to the Manager, Project Standards and Controls, this position is responsible for leading the effective…
Added 1 hour ago
WS
Manager IT Service Management (ITSM)
Workplace Safety and Insurance Board (WSIB)
London, ON
- Full-time
At WSIB, technology helps support our purpose of serving people and businesses across Ontario. As we continue to modernize our IT environment, we’re looking for a Manager, IT Service…
Added 1 hour ago
MM
Global Financial Crime Screening Operations Manager
Marsh McLennan
Toronto, ON
- Full-time
The GFC Screening Operations Manager will focus on supporting the governance and oversight of our screening program and supporting the Head of Screening Operations with stakeholder…
Added 1 hour ago
Payroll Manager
Imperial Brady
Montreal, QC · Saint-Laurent, QC
The Payroll Manager is responsible for the leadership, administration, accuracy, and compliance of all payroll operations across Canada. This role oversees the day-to-day payroll function…
Added 1 hour ago
Warehouse Automation Lead
Hilton Food Group Plc
Brantford, ON
Ensure appropriate system access controls, user discipline and data governance standards are maintained in line with site and corporate requirements.
Added 1 hour ago
O
Manager, Corporate Reporting and Financial Services
OPTrust
Toronto, ON
- Full-time
The Finance and Facilities Division is led by the Chief Financial Officer and includes accounting, operations, tax, and facilities functions and roles supporting OPTrust investment and…
Added 1 hour ago
A
Co-Op Student - Project Support (DA)
AltaLink
Calgary, AB
- Internship
A Co-Op Student position is available in the Project Support team. The team includes project controls analysts (PCA), project accountant administrators (PAA), capital reporting analysts and…
Added 1 hour ago
NP
Director, Internal Controls & Finance Transformation
Neo Performance Materials
Toronto, ON
- $140,000 to $170,000 CAD / year
- Full-time
Neo is seeking a Director to strengthen how we manage internal controls, policies and continuous improvement across its global business. This role combines ownership of the finance policy…
Added 1 hour ago
T
Treasury Analyst, Liquidity Measurement - Analytics & Reporting
TD
Toronto, ON
- Full-time
Solid understanding and experience with building Controls and Governance framework to ensure lower operational risk
Added 1 hour ago
CE
Senior Manager, Infrastructure Projects
Cenovus Energy
Calgary, AB
- Full-time
Oversee portfolio performance across safety, scope, cost, schedule, quality and risk, ensuring appropriate governance, project controls and timely escalation.
Added 1 hour ago
Manager - Treasury - FAAS - Assurance
EY
Toronto, ON
Advanced skills and experience with: Treasury organizational structure and transformation, Financial risk management (currency, interest rate, commodity), Cash flow forecasting, Cash and…
Added 1 hour ago
Senior Consultant - FAAS - Treasury - Assurance
EY
Toronto, ON
Bank relationship management, Treasury technology, International treasury center, Debt and investment management, Governance, controls and regulation, M&A support, Hedge accounting
Added 1 hour ago
R&
Project Manager – Finance Transformation
Robertson & Company Ltd.
Toronto, ON
- Contract
Ensure project deliverables comply with internal governance standards, financial controls, regulatory requirements, and enterprise risk frameworks.
Added 1 hour ago
FI
Senior Full Stack Software Developer (FHIR)
Flexstaf I.T. Inc.
Toronto, ON · Greater Toronto Area, Canada
- Contract
NextGen Connect (Mirth) and HL7 v2 integration experience, including transformation, validation, routing, acknowledgements, error handling, interface testing, and integration with Ontario…

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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