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Added 14 days ago
SL
Senior Software Engineer, Operations – Core Java & iOS focus
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Waterloo King
- Full-time
We are looking for a Senior Software Engineer with strong full-stack Java experience and hands-on iOS development skills. You will develop and support reliable applications across the web,…
Added 14 days ago
VI
Senior Java/J2ee Developer
Veriday Inc.
Mississauga, ON
- Contract
Veriday Inc. is looking for a Senior Java Spring Developer for one of our reputed Banking clients for a 6-month contract with potential extension. You'll join the Spread Products Risk and…
Added 14 days ago
VI
Senior Java Consultant
Veriday Inc
Mississauga, ON
- $70 to $90 CAD / hour
- Contract
Veriday Inc. is looking for a Senior Java Spring Developer for one of our reputed Banking clients for a 6-month contract with potential extension. You'll join the Spread Products Risk and…
Added 14 days ago
SC
Senior Developer
SAP Careers
Montreal, QC
- $108,100 to $222,800 CAD / year
- Full-time
We are looking for a dynamic and motivated Senior Software Developer who embrace AI-assisted software development as part of their everyday engineering practice to join our engineering…
Added 14 days ago
AS
Mobile Developer (React Native)
Apex Systems
Toronto, ON
- $60 to $70 CAD / hour
- Full-time
Must Have skills:
Added 14 days ago
RC
Senior Backend Java Developer
Realtek Consulting LLC
Toronto, ON
- Contract
We are seeking 8-12 years experienced highly skilled Senior Backend Java Developer with strong expertise in Java, Spring Boot, Microservices, API Integration, Azure Cloud, and…
Added 14 days ago
AI
Senior Power Platform Engineer
Aptino, Inc.
Quebec, QC
- Contract
We are looking for an experienced Senior Microsoft Power Platform Engineer with expertise in Power Apps, Power Automate, AI Builder, Copilot Studio, Dynamics 365, and Azure AI technologies.
Added 14 days ago
O
Sr. Software Developer
OpenText
Richmond Hill, ON
- Full-time
The Senior Software Developer is a hands-on technical contributor and emerging technical lead who designs, develops, and supports Java and Spring Boot microservices running on Google Cloud…
Added 14 days ago
O
Manager, Software Development
OpenText
Richmond Hill, ON
- Full-time
…software engineers and technical specialists working across Java-based cloud services, Python-based AI and document intelligence, React user experiences, enterprise integrations, and…
Added 14 days ago
ZS
RPA Platform Engineer
Zodiac Solutions, Inc
Toronto, ON
- Full-time
The Senior Platform Engineer develops, maintains, and manages Automation platform on premise, AWS cloud and vendor SaaS to enable automation across the bank and core operations enabling the…
Added 14 days ago
T
Senior Software Developer In Test - Python Automation Engineer
Telesat
Ottawa, ON
- Contract
We are seeking a highly skilled Senior Python Automation Engineer to design, build, and evolve production-grade automation frameworks, engineering tools, and automated validation for…
Added 14 days ago
SL
Senior Data Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto One York
- Full-time
Candidates must have relevant experience in the following areas:
Added 14 days ago
TI
Full Stack Developers
Teckhorizon Inc
Toronto, ON
- Contract
Our Client is looking for experienced Senior Full Stack Developers to support enterprise healthcare integration initiatives involving FHIR Subscription, SubscriptionTopic, and event-driven…
Added 14 days ago
VS
Java AWS Developer|| CALGARY, CN (Onsite)
Verito Solutions Inc
Calgary, AB
- Contract
Ability to work on‑site five days per week, as required by the engagement
Added 14 days ago
I
Software Developer - Full Stack - Senior (Health)
isgSearch
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Candidates must have hands-on experience with healthcare applications, clinical workflows, and healthcare interoperability standards · Required Skills - Must Have
Added 14 days ago
RT
Sr. Software Developer - Full Stack
Russell Tobin
Toronto, ON
- $90 to $95 CAD / hour
- Contract
Senior-level experience developing Java and Node.js services, REST APIs, FHIR integrations, event publishers and consumers, and production application logic.
Added 14 days ago
C
VP Senior Software Engineer – Java & Distributed Systems
Citi
Mississauga, ON
- Full-time
We're looking for a senior engineer who thinks clearly across the full product development lifecycle, from design through to production, and brings an AI-first mindset to how they work.
Added 14 days ago
C
Java Developer - Assistant Vice President
Citi
Mississauga, ON
- Full-time
As a Senior Java Backend Developer, you will design and build high-performance backend services that power large-scale data processing applications at Citi. You'll apply modern Java and…
Added 14 days ago
B
DevOPS/Cloud Engineer – Senior (AWS CDK/Public Sector exp)
Bevertec
Toronto, ON
- Contract
Public Sector Experience: Must have
Added 14 days ago
VS
Intermediate AWS Developer- Java, Spring Boot and TypeScript. ONSITE, CALGARY
Verito Solutions Inc
Calgary, AB
- Contract
Ability to work on‑site five days per week, as required by the engagement
Added 14 days ago
T
Senior Consultant, Software Delivery Developer - Gen AI and AI-Accelerated Modernization
Toast
Montreal, QC
- $77,000 to $102,000 CAD / year
- Full-time
…more than 10,000 people across Canada. We’re looking for a Senior Consultant, Software Delivery Developer to join their Gen AI and Software Delivery team in Montreal or Quebec City. This…
Added 14 days ago
L
Senior Full Stack Developer (Java/React)
Luxoft
Toronto, ON
- Contract
We’re seeking a Senior Software Engineer to enhance a cross-asset order and position management system. The engineer shall have experience designing and building robust, scalable systems…
Added 14 days ago
Systems Administrator 3 - Enterprise Observability
British Columbia Lottery Corporation
BC · Hybrid - Kamloops or Vancouver, BC
The Systems Administrator 3 acts as a senior technical resource in application/service architecture, application design and delivery, translating business and technical requirements into…
Added 14 days ago
Mainframe Developer
Capgemini
Toronto, ON
As a Senior Developer, you will be working in a development and support capacity on our core mainframe cards and transactions system.
Added 14 days ago
Software Development Manager, Amazon Financials Foundation Services (AFFS)
Amazon
Vancouver, BC
Must possess strong verbal and written communication skills, be self-driven and deliver high quality results in a fast paced environment

isgSearch

Software Developer - Full Stack - Senior (Health)

Toronto, ON, Canada
Greater Toronto Area, Canada, Canada

Full-time

Apply on LinkedIn About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 27, 2026
Posting language: English
Posted: Oct 28, 2026

Original job description

Senior Full Stack Developer

We are seeking two Senior Full Stack Developers to enhance healthcare applications and integration's The focus is on replacing scheduled polling with event-driven processing so applications can respond to clinical information, referrals, reports, and status changes in real time.

Healthcare industry experience is mandatory. Candidates must have hands-on experience with healthcare applications, clinical workflows, and healthcare interoperability standards.
Required Skills - Must Have

Healthcare Experience: Demonstrated experience delivering healthcare applications, clinical integrations, or digital health solutions.
FHIR Subscription and SubscriptionTopic: Strong experience with resource triggers, filters, subscription lifecycle, notification Bundles, delivery channels, and event retrieval.
Backend Development: Senior-level Java, Node.js, REST API, and FHIR integration experience.
AWS and Event Processing: Experience with AWS Lambda, asynchronous queues, retries, dead-letter handling, idempotency, and duplicate-event management.
React and SMART on FHIR: Experience with React applications, SMART on FHIR launch and authorization, context, scopes, and FHIR API integration.
Healthcare Interoperability: Hands-on experience with NextGen Connect (Mirth), HL7 v2 messaging, message transformation, validation, routing, acknowledgements, and error handling.
Experience integrating healthcare systems and services, including HRM, Provider Registry, Client Registry, and eReferral.

Key Responsibilities

Design and implement FHIR Subscription and SubscriptionTopic functionality to support event-driven clinical workflows.
Develop and maintain Java and Node.js services, REST APIs, AWS Lambda functions, and queue-based event-processing components.
Build React applications using SMART on FHIR and integrate with FHIR resources and APIs.
Configure and maintain NextGen Connect (Mirth) channels for HL7 v2 messaging and healthcare system integration.
Implement reliable event processing, error handling, monitoring, logging, security, and audit controls.
Develop automated tests, validate FHIR resources, troubleshoot production issues, and prepare technical documentation.

FHIR Subscription and SubscriptionTopic: Advanced experience with subscription architecture, lifecycle management, filters, notifications, and conformance testing.
Backend and Event-Driven Integration: Java, Node.js, AWS Lambda, asynchronous queues, and reliable event processing.
React and SMART on FHIR: Front-end development, SMART authorization, context handling, and FHIR API integration.
Healthcare Interoperability: NextGen Connect (Mirth), HL7 v2, and integration with healthcare services such as HRM, Provider Registry, Client Registry, and eReferral.

Mandatory Requirement: Healthcare industry experience is essential. Candidates must demonstrate relevant hands-on experience with healthcare applications, clinical integrations, or healthcare interoperability.
Desired Skills and Experience

We are seeking two Senior Full Stack Developers to enhance healthcare applications and integrations The focus is on replacing scheduled polling with event-driven processing so applications can respond to clinical information, referrals, reports, and status changes in real time.
Healthcare industry experience is mandatory. Candidates must have hands-on experience with healthcare applications, clinical workflows, and healthcare interoperability standards.
Required Skills - Must Have
Healthcare Experience: Demonstrated experience delivering healthcare applications, clinical integrations, or digital health solutions.
FHIR Subscription and SubscriptionTopic: Strong experience with resource triggers, filters, subscription lifecycle, notification Bundles, delivery channels, and event retrieval.
Backend Development: Senior-level Java, Node.js, REST API, and FHIR integration experience.
AWS and Event Processing: Experience with AWS Lambda, asynchronous queues, retries, dead-letter handling, idempotency, and duplicate-event management.
React and SMART on FHIR: Experience with React applications, SMART on FHIR launch and authorization, context, scopes, and FHIR API integration.
Healthcare Interoperability: Hands-on experience with NextGen Connect (Mirth), HL7 v2 messaging, message transformation, validation, routing, acknowledgements, and error handling.
Experience integrating healthcare systems and services, including HRM, Provider Registry, Client Registry, and eReferral.
Key Responsibilities
Design and implement FHIR Subscription and SubscriptionTopic functionality to support event-driven clinical workflows.
Develop and maintain Java and Node.js services, REST APIs, AWS Lambda functions, and queue-based event-processing components.
Build React applications using SMART on FHIR and integrate with FHIR resources and APIs.
Configure and maintain NextGen Connect (Mirth) channels for HL7 v2 messaging and healthcare system integration.
Implement reliable event processing, error handling, monitoring, logging, security, and audit controls.
Develop automated tests, validate FHIR resources, troubleshoot production issues, and prepare technical documentation.
FHIR Subscription and SubscriptionTopic: Advanced experience with subscription architecture, lifecycle management, filters, notifications, and conformance testing.
Backend and Event-Driven Integration: Java, Node.js, AWS Lambda, asynchronous queues, and reliable event processing.
React and SMART on FHIR: Front-end development, SMART authorization, context handling, and FHIR API integration.
Healthcare Interoperability: NextGen Connect (Mirth), HL7 v2, and integration with healthcare services such as HRM, Provider Registry, Client Registry, and eReferral.
Mandatory Requirement: Healthcare industry experience is essential. Candidates must demonstrate relevant hands-on experience with healthcare applications, clinical integrations, or healthcare interoperability.

Apply on LinkedIn About employer

More about this job

Responsibilities

Design and implement FHIR subscription capabilities and event-driven clinical workflows, and develop Java and Node.js services, REST APIs, AWS Lambda functions, and queue-based processing components. Build React applications using SMART on FHIR, configure Mirth channels for HL7 v2 integrations, and ensure reliable, secure, monitored, and well-tested systems with appropriate documentation.

Requirements

Candidates must have hands-on healthcare industry experience with healthcare applications, clinical workflows, integrations, or interoperability. They need senior-level Java and Node.js skills, advanced FHIR Subscription and SubscriptionTopic experience, AWS event-processing expertise, React and SMART on FHIR experience, and practical knowledge of Mirth and HL7 v2.

Skills

Healthcare Applications
FHIR Subscriptions
FHIR SubscriptionTopic
Java
Node.js
REST APIs
AWS Lambda
Asynchronous Queues
Event Processing
React
SMART on FHIR
NextGen Connect (Mirth)
HL7 v2
Healthcare Interoperability
Clinical Integrations
Automated Testing

Visa sponsorship

Not detected in the job text

Keywords

Healthcare Applications
Clinical Workflows
Clinical Integrations
Digital Health
FHIR
FHIR Subscription
SubscriptionTopic
Notification Bundles
Java
Node.js
REST APIs
AWS Lambda
Asynchronous Queues
Retries
Dead-Letter Handling
Idempotency
Duplicate-Event Management
React
SMART on FHIR
FHIR API Integration
NextGen Connect
Mirth
HL7 v2
Message Transformation
Message Validation
Message Routing
Event-Driven Processing
HRM
Provider Registry
Client Registry

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Work requirements

Jobs in Canada