Find work in Canada.

552,414 jobs across our Canadian network. How we count

Jobs in Canada

Email me new jobs Save this search

Added 1 day ago
MC
Senior Software Engineer - Brokerage Platform
Moomoo Canada
Toronto, ON · North York, ON
- Full-time
Strong backend software development experience in one or more major programming languages such as Java, C++, Go, Python or similar languages
Added 1 day ago
B
Sr Application Software Developer
BMO
Toronto, ON · SCC
- Full-time
…deliver high-quality software solutions. The Senior Full Stack Developer will design, build, and maintain scalable, secure, cloud-native applications leveraging AWS services, backend…
Added 1 day ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Server-side languages: C#/.NET, Java, Python, PHP
Added 1 day ago
IS
Junior Software Engineer
Iris Software Inc.
Toronto, ON · Greater Toronto Area, Canada
- Full-time
…AI-driven initiatives. Responsibilities include coding, debugging, API development, working with databases, and assisting in the integration of Large Language Models (LLMs) and GenAI…
Added 1 day ago
M
RQ11656 - Systems Testing/QA Specialist - Senior
Maarut
Toronto, ON
- Contract
Demonstrated experience in a) Reviewing API specs b) Test positive, negative and error cases plus status codes c) Validate schemas and payloads d)Test authentication and authorization, d)…
Added 1 day ago
P
Senior Software Developer in Test- 9 month contract- temporary
Plusgrade
Montreal, QC · CAN - Montreal
- Full-time
JavaScript · TypeScript · Java · Groovy · Python · Scala · Playwright · Gatling
Added 1 day ago
QT
Développeur logiciel principal - rapports et analyses / Senior Software Developer - Reporting
Quantum Technology Recruiting Inc. (QTR)
Montreal, QC
- $100,000 to $120,000 CAD / year
- Full-time
- Connaissance d'au moins un langage de programmation (p. ex., C#, Python, Java) et des API REST
Added 1 day ago
C
SR ACE Certified GW Integration Policy Center developer- Onsite role
Cognizant
Toronto, ON
- Full-time
Lead ACE Certified Guidewire Policy Center Integration Developer
Added 1 day ago
C
Software Engineer - API
CMiC
Toronto, ON
- Full-time
Minimum 3+ years of work experience using any object-oriented programming languages (preferably Java).
Added 1 day ago
C
Java Developer - Rates Technology
Citi
Mississauga, ON · Toronto, ON
- Full-time
We are seeking a highly skilled and experienced Application Developer to join our dynamic Rates Technology team. This position is responsible for the development of new and revised…
Added 1 day ago
Software Engineer - API
CMiC
Toronto, ON
Minimum 3+ years of work experience using any object-oriented programming languages (preferably Java).
Added 1 day ago
B
Automation Lead – Playwright, TypeScript
BeachHead
Toronto, ON
- $65 to $70 CAD / hour
- Contract
Hands-on API testing experience using Rest Assured.
Added 1 day ago
SY
Senior Software Engineer
Secure Yourself IT Solutions
Ottawa, ON
- Contract
…frameworks the work calls for. Whether your background is in .NET, Java, Node.js, Python, or another modern development environment, what matters most is your ability to write good code,…
Added 1 day ago
Senior Software Engineer
EarnIn
Vancouver, BC
Proficient in at least one modern programming language, such as Kotlin, Java, C#, Go, Python, or TypeScript, and able to work in more than one.
Added 1 day ago
TI
Senior API Developer
Teckhorizon Inc
Toronto, ON
- Contract
The client is seeking an experienced Senior Software Developer API to design, develop, implement, and maintain enterprise-level APIs, web applications, and system integrations. The ideal…
Added 1 day ago
X
Software Developer
Xe.com
Newmarket, ON
- Full-time
…including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. We leverage technology to deliver these services…
Added 1 day ago
FI
Senior Full Stack Software Developer (FHIR)
Flexstaf I.T. Inc.
Toronto, ON · Greater Toronto Area, Canada
- Contract
Position: Software Developer - Full Stack – Senior
Added 1 day ago
D
Full Stack Developer (Java/Python + Gen AI)
Digitalogia
Brampton, ON
- Contract
Role Description This is a contract Full Stack Developer (Java/Python + Gen AI) role based in Brampton, ON with a hybrid work arrangement, allowing a mix of on-site and work-from-home days.…
Added 1 day ago
F
Staff Frontend Engineer
Forma.ai
Toronto, ON
- Full-time
Improve frontend performance, reliability, accessibility, testing strategy, and developer experience at a systems level.
Added 1 day ago
B
Sr. Java Fullstack Developer-Angular/Banking
BeachHead
Toronto, ON
- $59.48 to $79.66 CAD / hour
- Contract
Working with one of our top financial clients, this role calls for a Sr. Java Fullstack Developer-Angular/Banking to join a collaborative Agile delivery pod supporting a large-scale…
Added 1 day ago
VS
Senior Software Developer
vTech Solution Canada
Toronto, ON
- Contract
Job Title: Sr. Software Developer - Full Stack
Added 1 day ago
C
Senior Java Developer - Vice President
Citi
Mississauga, ON
- Full-time
As a Senior Java Developer, you will design and deliver microservices solutions that power global reference data used by clients across Citi. Working within a global engineering…
Added 1 day ago
RD
Senior Java Software Developer
Randstad Digital
London, ON
- $65 to $75 CAD / hour
- Contract
Our client, is seeking an experienced, highly collaborative Software Developer - Java to join their AI & Open Data Enablement engineering group.
Added 1 day ago
JG
Ab-initio Developer - 8 Years
J2B Global LLC
Mississauga, ON
- Full-time
Proficiency with 1 or more of the following programming languages: Java, API, Python
Added 1 day ago
Y
Software Engineer - QC(Local)
Yochana
Montreal, QC
- Contract
We are seeking a Software Engineer with strong Java development experience to support the security, modernization, and reliability of enterprise applications and file transfer platforms.…

vTech Solution Canada

Senior Software Developer

Toronto, ON, Canada

Contract

Apply About employer

Applications open in a new tab.

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

Apply About employer

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

Report this job