Jobs in Canada

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Added 10 hours ago
GD
Agricultural Equipment Technician
Green Diamond Equipment
Kentville, NS
- Full-time
- On-site
Valid driver's license required
Added 10 hours ago
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Finance Manager
Aplin
Edmonton, AB
- Full-time
As Manager, Finance, you’ll bring your accounting expertise, business acumen, and collaborative leadership style to a role that supports financial reporting, audit and regulatory…
Added 10 hours ago
Manager - Realty and Space Planning
YG
Whitehorse, YT
We are currently seeking a talented person to join us in Property Management! As the Manager of Realty and Space Planning, you will manage the Yukon government’s realty and office space…
Added 10 hours ago
Program Manager
Cameco
Canada
As a key leader within our Strategic Projects team in the Technical Services department, you will be responsible for the leadership, oversight and delivery of high‑value, complex mining…
Added 10 hours ago
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Estimator
VINCI
BC
- Full-time
…and design-build formats. This position may also act as the Technical Lead on Design-Build Projects, and if successful, act as Project Manager throughout project…
Added 10 hours ago
Project Manager
Novarc Technologies Inc
Burnaby, BC
Summary: As a Project Manager you will be responsible for the successful execution of various Novarc’s projects to ensure outcomes are in line with the company project goals, processes,…
Added 10 hours ago
RH
HRIS Manager
Robert Half
Langley, BC
- $90,000 to $125,000 CAD / year
…data, and driving process improvements? Our client is seeking a Manager, HRIS & Technology to oversee its HR technology ecosystem, strengthen systems integration, and support continued…
Added 10 hours ago
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Sr. Manager, QA Engineering & Automation
Scopely
Canada
- Full-time
Provide hands-on technical leadership through framework design, prototypes, code reviews, automation implementation, and test-script development.
Added 10 hours ago
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Project Manager - Land Development
Arcadis
Toronto, ON
- Full-time
In response to our strategic growth plan, we are seeking a client facing Project Manager with deep, hands-on experience of Urban Renewal and Land Development projects within Toronto.
Added 10 hours ago
FI
Software Developer
Fidelity Investments Canada ULC
Toronto, ON
- Full-time
business problems and translating their technical knowledge into practical, implementable
Added 10 hours ago
Sr. Software Developer
Open Text Corporation
Richmond Hill, ON
Serve as a technical lead, recognized for growing domain expertise, embracing change, and navigating ambiguity with resiliency, while fostering the development of less experienced team…
Added 10 hours ago
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Energy Operations & Assets, Lead
Teck
Trail, BC
- $120,000 to $145,000 CAD / year
- Full-time
- On-site
…lead smelting and refining complexes. Reporting to the Energy Manager, the Energy Operations & Assets Lead is responsible for the safe, reliable, compliant, and cost-effective operation and…
Added 10 hours ago
RC
Facilities Coordination Project Manager
Randstad Canada
Surrey, BC
- $50 to $60 CAD / hour
- Contract
Must haves: The following requirements are mandatory to this role
Added 10 hours ago
Automotive technician, licensed red seal
Birchwood Automotive Group
Winnipeg, MB
Reporting Relationship: This position reports directly to the Service Manager.
Added 10 hours ago
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Architect, Professional Services (GCP)
Softchoice
Vancouver, BC · Montréal, QC · Calgary, AB · Toronto, ON
- $120,800 to $151,000 CAD / year
Provide technical expertise and support during the sales process, including presentations, demonstrations, and proposal development.
Added 10 hours ago
IT Infrastructure & Security Lead
Cellula Robotics Ltd
Burnaby, BC
…building mostly one-of-a-kind prototypes to completing the development of our four core products and will be delivering multiples of those products to our customers. Our products are…
Added 10 hours ago
RC
SFDC Release Manager
Randstad Canada
Remote, Canada
- $64.06 to $76.87 CAD / hour
- Contract
- Remote
Our client, is seeking an experienced, highly technical SFDC Release Manager (Salesforce DevOps & Release Specialist) to join their digital guest services and customer engagement…
Added 10 hours ago
RC
Technical Program Manager
Randstad Canada
Vancouver, BC
- $69.09 to $92.12 CAD / hour
- Contract
Our client, is seeking an experienced, highly strategic Senior Technical Program Manager (Enterprise Transformations & Digital Platforms) to join their enterprise technology delivery…
Added 10 hours ago
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Systems Analyst, Clinical Solutions, PDHIS
PHSA - Provincial Health Services Authority
Vancouver, BC
- Full-time
- Temporary
…(VPPL), the Systems Analyst, Clinical Solutions reports to the Manager or designate in this professional level job works with independence within a multi-site health care environment. The…
Added 10 hours ago
TC
Project Manager - AJISS Performance Management
Thales Canada Inc., Defence and Security
Ottawa, ON
- Full-time
- Hybrid
Thales has a vacancy for a Project Manager (PM) who will be responsible and accountable for the delivery of the assigned project, its business rhythm and all associated governance aspects…
Added 10 hours ago
Emerging Enterprise Core Account Executive
Databricks
Calgary, AB · Montréal, QC · Toronto, ON
You'll run the full sales cycle yourself, from discovery through close, with a dedicated Solutions Architect as your technical partner. You're expected to talk to a data engineering lead in…
Added 10 hours ago
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Senior Product Manager
modis
Toronto, ON
- Contract
- Temporary
…organizational requirements and at the discretion of the Hiring…
Added 10 hours ago
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Senior Software Developer
modis
Toronto, ON
- Contract
- Temporary
…organizational requirements and at the discretion of the Hiring…
Added 10 hours ago
GE
Electrical Drafter/Designer
GERRITS ENGINEERING LIMITED
Barrie, ON
- $55,000 to $70,000 CAD / year
- Full-time
Take direction from the Design Manager and/or Engineer, and help the team meet project milestones
Added 10 hours ago
RC
Senior Software Developer - Full Stack
Randstad Canada
Toronto, ON
- Contract
Public Sector Digital Health Experience: Mandatory, proven software development experience within a public sector or provincial digital health environment (Strictly Required).

Randstad Canada

Senior Software Developer - Full Stack

Toronto, ON, Canada

Contract

Apply on randstad.ca About employer

Applications open in a new tab.

Job details

Job type: Contract
Apply by: Dec 26, 2026
Posting language: English
Posted: Oct 28, 2026

Original job description

We are seeking an experienced Senior Software Developer - Full Stack to lead the architecture, design, implementation, and integration of event-driven digital health applications. In this role, you will modernize application workflows by replacing legacy polling mechanisms with real-time, subscription-driven event architectures using FHIR Subscription and SubscriptionTopic models. Leveraging expertise across Java, Node.js, AWS serverless technologies, React, SMART on FHIR, and NextGen Connect (Mirth), you will build resilient asynchronous pipelines, develop accessible front-end interfaces, handle complex HL7 v2 and FHIR transformations, and ensure seamless interoperability across clinical registries and health information services.

Location: Toronto, ON (Onsite as-needed basis)

Duration: 4-month contract.

Advantages
Advanced FHIR Specialization: Direct hands-on implementation of cutting-edge FHIR Subscription and SubscriptionTopic event-driven architectures.

Modern Cloud & Serverless Stack: Build scalable event pipelines using AWS Lambda, asynchronous messaging, Java, and Node.js.

Clinical UI & Interoperability: Develop modern React applications leveraging SMART on FHIR workflows alongside NextGen Connect (Mirth) HL7 integrations.

Flexible Onsite Arrangement: Collaborative onsite schedule in Toronto on an as-needed basis.

Responsibilities
Assess legacy polling-based integrations and workflows to map clinical events and triggers to FHIR SubscriptionTopic and Subscription specifications.

Define, configure, validate, and maintain SubscriptionTopic and Subscription resources, managing filters, notification Bundles, lifecycle states, delivery channels, and heartbeat notifications.

Design, build, test, and maintain production-ready Java and Node.js microservices, REST APIs, publishers, consumers, and data adapters.

Develop serverless functions using AWS Lambda and asynchronous message queues to handle event processing, payload validation, enrichment, and workflow orchestration.

Implement robust distributed processing patterns, including idempotency, retries, dead-letter queues, deduplication, event replay, and automated reconciliation.

Build, test, and optimize accessible React user interfaces that implement SMART on FHIR launch flows, OAuth 2.0 authorization, scopes, and context handling.

Configure, test, and support NextGen Connect (Mirth) integration channels to receive, transform, validate, route, and acknowledge HL7 v2 messages and map them to FHIR resources.

Implement structured logging, correlation IDs, metrics, alerts, and operational dashboards to trace event delivery across publishers, message buses, and consumers.

Maintain rigorous test suites encompassing unit, integration, contract, conformance, and end-to-end regression testing for all event-driven workflows.

Ensure all technical designs, interfaces, and code adhere strictly to privacy guidelines, secure configuration standards, and personal health information safeguards.

Qualifications
Public Sector Digital Health Experience: Mandatory, proven software development experience within a public sector or provincial digital health environment (Strictly Required).

FHIR Subscription & SubscriptionTopic: Advanced experience with FHIR Subscription and SubscriptionTopic mechanisms, including resource triggers, filter criteria, lifecycle management, notification Bundles, delivery channels, heartbeat notifications, validation, and conformance testing (Strictly Required).

Event-Driven Backend & AWS Serverless: Proven hands-on development experience implementing FHIR event workflows using Java, Node.js, AWS Lambda, and asynchronous message queues, with demonstrated mastery of idempotency, retries, dead-letter handling, deduplication, and production troubleshooting (Strictly Required).

React & SMART on FHIR: Demonstrated experience building production React applications utilizing SMART on FHIR launch and authorization flows, scopes, context handling, FHIR API integration, and accessible interface design (Strictly Required).

NextGen Connect (Mirth) & HL7 v2: Strong hands-on experience configuring NextGen Connect (Mirth) channels for HL7 v2 message transformation, validation, routing, acknowledgements, and integration with provincial digital health standards and registries (e.g., Hospital Report Manager, Provider Registry, Client Registry, eReferral) (Strictly Required).

Nice-to-Have Assets:
Hands-on experience implementing the FHIR R5 Subscription framework or the R5 backport specification.

Direct experience with AWS messaging and observability tooling (e.g., Amazon SQS, SNS, EventBridge, API Gateway, CloudWatch).

Experience authoring versioned FHIR profiles, implementation guides, and API contract tests.

Summary
If you're interested in the "Senior Software Developer - Full Stack" role based in Toronto, we encourage you to apply online at www.randstad.ca.

Only qualified candidates will be contacted for the next steps. We look forward to hearing from you!

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.

This posting is for existing and upcoming vacancies.

Apply on randstad.ca About employer

More about this job

Responsibilities

The Senior Software Developer will modernize legacy polling integrations into FHIR subscription-driven event pipelines. They will build Java and Node.js microservices, React interfaces with SMART on FHIR launch flows, and Mirth HL7 v2 to FHIR integrations.

Requirements

Candidates need proven public sector or provincial digital health development experience. They also need advanced FHIR Subscription and SubscriptionTopic experience, AWS serverless event processing, React with SMART on FHIR, and NextGen Connect (Mirth) with HL7 v2.

Skills

FHIR Subscription
FHIR SubscriptionTopic
SMART on FHIR
HL7 v2
NextGen Connect (Mirth)
Java
Node.js
AWS Lambda
AWS serverless
React
OAuth 2.0
REST APIs
Amazon SQS
Amazon SNS
Amazon EventBridge
API Gateway
CloudWatch
Event-driven architecture
Idempotency
Dead-letter queues
Microservices
Contract testing
Conformance testing
Unit testing
Integration testing

Keywords

Senior Software Developer
Full Stack Developer
FHIR
FHIR Subscription
SubscriptionTopic
SMART on FHIR
HL7 v2
NextGen Connect
Mirth
Java
Node.js
AWS Lambda
React
OAuth 2.0
event-driven architecture
digital health
interoperability
contract developer
Toronto

Seniority

Senior

Tools

FHIR Subscription
SubscriptionTopic
NextGen Connect (Mirth)
AWS Lambda
Amazon SQS
Amazon SNS
Amazon EventBridge
API Gateway
CloudWatch
React

Languages

English

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Work requirements

Jobs in Canada