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Added 7 hours ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 22 hours ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 1 day ago
E
Principal Software Engineer
EngRadar
Kitamaat 2, BC
- Full-time
Deep experience building backend systems in a modern language such as Java, C#, Python, TypeScript, Scala, or Rust.
Added 1 day ago
SM
RQ00813 – DevOps/Cloud Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
The role will build GitHub Actions workflows and Java-based AWS Cloud Development Kit (AWS CDK) infrastructure to provision and deploy AWS Glue jobs and connections, Amazon Data Firehose…
Added 1 day ago
SM
RQ00811 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Full Stack Software Developer with extensive hands-on experience in Java, Spring Boot, REST APIs, HAPI FHIR, NextGen Connect (Mirth), HL7 v2, ReactJS, and healthcare…
Added 1 day ago
BR
Senior Cloud Engineer (AWS)
BITS Recruiting
Toronto, ON
- Contract
Provision and support AWS Glue jobs and connections, Amazon Data Firehose delivery streams, and AWS Database Migration Service (DMS) endpoints and tasks.
Added 1 day ago
SM
RQ00811 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Full Stack Software Developer with extensive hands-on experience in Java, Spring Boot, REST APIs, HAPI FHIR, NextGen Connect (Mirth), HL7 v2, ReactJS, and healthcare…
Added 1 day ago
SM
RQ00811 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Full Stack Software Developer with extensive hands-on experience in Java, Spring Boot, REST APIs, HAPI FHIR, NextGen Connect (Mirth), HL7 v2, ReactJS, and healthcare…
Added 1 day ago
SM
RQ00811 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Full Stack Software Developer with extensive hands-on experience in Java, Spring Boot, REST APIs, HAPI FHIR, NextGen Connect (Mirth), HL7 v2, ReactJS, and healthcare…
Added 1 day ago
SM
RQ00813 – DevOps/Cloud Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
The role will build GitHub Actions workflows and Java-based AWS Cloud Development Kit (AWS CDK) infrastructure to provision and deploy AWS Glue jobs and connections, Amazon Data Firehose…
Added 1 day ago
SM
RQ00813 – DevOps/Cloud Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
The role will build GitHub Actions workflows and Java-based AWS Cloud Development Kit (AWS CDK) infrastructure to provision and deploy AWS Glue jobs and connections, Amazon Data Firehose…
Added 1 day ago
SM
RQ00813 – DevOps/Cloud Engineer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
The role will build GitHub Actions workflows and Java-based AWS Cloud Development Kit (AWS CDK) infrastructure to provision and deploy AWS Glue jobs and connections, Amazon Data Firehose…
Added 2 days ago
A
Senior AEM Architect
Accenture
Calgary, AB · Ottawa, ON · Toronto, ON · Montreal, QC
- Full-time
Provides oversight, planning, and technical guidance to ensure successful delivery of software projects
Added 2 days ago
Principal Software Engineer
Conga
Canada
Deep experience building backend systems in a modern language such as Java, C#, Python, TypeScript, Scala, or Rust.
Added 2 days ago
W
Software Engineer II, Supplier Advertising
Wayfair
Toronto, ON
- $151,411 to $169,169 CAD / year
- Full-time
Mudit Sadana is the Display Growth and Decisioning Engineering team manager
Added 2 days ago
JG
Adobe Experience Manager (AEM) Engineer
J&M Group
Toronto, ON
- Contract
…platform. The ideal candidate will bring strong Adobe Experience Manager expertise, web-development fundamentals and experience working with modern cloud-based AEM…
Added 2 days ago
R
Manager Technology - Eagle Product Consultant
Raise
Toronto, ON
- Full-time
2+ years of team leadership, project lead, or manager-level experience overseeing technical delivery or production support workflows.
Added 2 days ago
A
Principal Software Developer - Cloud Platform
Autodesk
Toronto, ON · Montreal, QC
- Full-time
You will report to the Manager, Software Development Manager based in Canada, and the role is hybrid based in Montreal or Toronto. This is an exciting opportunity to be part of and to help…
Added 2 days ago
ES
Software Engineering Team Lead
Exchange Solutions
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Answer technical questions from Product, Technical Solutions Architecture, QA, and IT Operations directly, without routing everything through your Manager.
Added 2 days ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 2 days ago
VS
Senior Full Stack Developer
vTech Solution Canada
Toronto, ON
- Contract
Senior Fullstack Developer to help design and build a Java Spring Boot server that replaces the legacy Hospital Report Manager (HRM) solution and supports the secure exchange of hospital…
Added 2 days ago
T
Software Engineer II (SDET)
TD
Toronto, ON
- Full-time

vTech Solution Canada

Senior Full Stack Developer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 22, 2026
Posting language: English
Posted: Oct 23, 2026

Original job description

Job Title: Senior Software Developer - Full Stack

Location: Toronto, ON (Hybrid)

Work Mode: Hybrid

Duration: 6 months (Possible Extension)

Description:

Senior Fullstack Developer to help design and build a Java Spring Boot server that replaces the legacy Hospital Report Manager (HRM) solution and supports the secure exchange of hospital clinical reports with electronic medical record systems.
The role spans the OCRE integration, backend, and user-interface layers.
NextGen Connect (Mirth) will process inbound HL7 v2 messages and send the resulting content to Java services, while HAPI FHIR will be used to process FHIR R4 and DSTU2 resources.
Integrate with Ontario Health Enterprise Pub/Sub and develop a ReactJS application that enables EMR users to create physician-specific OCRE FHIR Subscriptions by translating user preferences into Pub/Sub filter criteria.
The solution must use OAuth 2.0 and mutual TLS (mTLS) and be packaged for containerized deployment using Docker.

Required Experience:

Senior-level hands-on experience developing Java and Spring Boot services and REST APIs, including use of the HAPI FHIR library to process FHIR R4 and DSTU2 resources.
Hands-on experience with NextGen Connect (Mirth), HL7 v2 message processing, transformation, validation, routing, acknowledgements, and integration with Java services.
Experience in Ontario HRM Standard and hospital clinical report exchange workflows.
Strong ReactJS development experience building production user interfaces and integrating them with Java/Spring Boot services and FHIR APIs.
Experience with FHIR Subscriptions and event-driven integrations, including translating physician-level user preferences into filter criteria for the FHIR R4B or R5 Subscriptions with OAuth 2.0 and mTLS for secure service-to-service and application integration.

Responsibilities:

Design, develop, test, and support the Java Spring Boot server that will replace the legacy HRM solution within OCRE.
Use HAPI FHIR to parse, validate, transform, create, and process FHIR R4 and DSTU2 resources used by OCRE services and integrations.
Develop and maintain NextGen Connect (Mirth) channels that receive and process HL7 v2 messages and securely send the resulting content to Java services.
Implement clinical report processing, routing, acknowledgements, exception handling, and operational controls in accordance with the Ontario HRM Standard.
Integrate OCRE services with Ontario Health Enterprise Pub/Sub and the applicable FHIR Subscription workflows.
Develop and support a ReactJS application that allows EMR users to manage OCRE subscription preferences for individual physicians.
Translate preference selections captured in the user experience into valid FHIR Subscription and Ontario Health Enterprise Pub/Sub filter criteria.
Implement OAuth 2.0, mTLS, authorization controls, secure configuration, audit logging, and privacy-aware handling of clinical information.
Package and configure application components as Docker containers and support their deployment, configuration, monitoring, and troubleshooting.
Create and maintain unit, integration, interface, conformance, regression, and end-to-end tests across HL7 v2, FHIR, Pub/Sub, backend, and ReactJS components.
Collaborate with architecture, product, UX, security, privacy, QA, operations, and EMR integration stakeholders to refine requirements and deliver production-ready functionality.
Prepare technical designs, interface specifications, message and resource mappings, configuration documentation, deployment notes, runbooks, and knowledge-transfer materials.

Desired Skills:

Experience modernizing a hospital clinical report exchange platform, with detailed knowledge of Ontario HRM specifications, routing, acknowledgements, exception handling, and conformance.
Experience with FHIR Subscription and SubscriptionTopic concepts, subscription filtering, practitioner-based routing, and FHIR profile validation using HAPI FHIR tooling.
Experience designing accessible ReactJS user experiences for configuration, preference management, or administrative workflows.
Experience with automated build, test, container scanning, and deployment pipelines for Java, ReactJS, NextGen Connect, and Docker components.
Experience supporting production healthcare integrations, including observability, reconciliation, incident investigation, replay or recovery procedures, and operational documentation.

Required Skills:

Java, Spring Boot, REST API, and HAPI FHIR development experience, including hands-on processing of FHIR R4 and DSTU2 resources in production-grade services.
NextGen Connect (Mirth) and HL7 v2 integration experience, including transformation, validation, routing, acknowledgements, error handling, Java-service integration, and practical experience with the Ontario HRM Standard.
ReactJS full-stack development experience and hands-on knowledge of FHIR Subscriptions and Ontario Health Enterprise Pub/Sub, including translating physician-level preferences into subscription filter criteria.
Secure application and container delivery experience using OAuth 2.0, mTLS, Docker, automated testing, configuration management, audit logging, and production troubleshooting.

Rated Criteria:

Java, Spring Boot, REST API, and HAPI FHIR experience, including the design and implementation of production services that process FHIR R4 and DSTU2 resources. 25 points
NextGen Connect (Mirth), HL7 v2, and Ontario HRM Standard experience, including message transformation, validation, routing, acknowledgements, error handling, and Java-service integration. 25 points
ReactJS, FHIR R4B Subscriptions, subscription filter criteria. 25 points
OAuth 2.0, mTLS, Docker, secure application development, automated testing, deployment support, and production troubleshooting experience. 25 points

Total: 100 Points

Deliverables:

A production-ready Java Spring Boot server that implements the assigned OCRE capabilities and supports replacement of the legacy HRM solution.
HAPI FHIR components for parsing, validating, transforming, creating, and processing FHIR R4 and DSTU2 resources.
NextGen Connect (Mirth) channels and configurations for HL7 v2 ingestion, processing, validation, routing, acknowledgement handling, and integration with Java services.
Ontario HRM Standard mappings, processing rules, conformance artifacts, and exception-handling components required by the assigned workflows.
Integration components connecting OCRE services with Ontario Health Enterprise Pub/Sub and the applicable FHIR Subscription workflows.
ReactJS components that allow EMR users to create and manage physician-specific OCRE subscription preferences.
Preference-to-filter mapping logic that produces valid FHIR Subscription and Ontario Health Enterprise Pub/Sub filter criteria.
OAuth 2.0, mTLS, secure configuration, audit logging, and Docker packaging required for deployment and operation of the solution.
Unit, integration, interface, conformance, regression, and end-to-end test assets, together with defect fixes and release validation support.
Technical designs, API and interface specifications, message and resource mappings, configuration notes, deployment instructions, runbooks, demos, and release-support materials.

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More about this job

Responsibilities

Design, develop, test, and support a Java Spring Boot server to replace the legacy HRM solution, including processing FHIR resources and integrating HL7 v2 messages through NextGen Connect. Build ReactJS subscription-management features and integrate with Ontario Health Enterprise Pub/Sub, while implementing security, Docker packaging, testing, deployment support, and operational documentation.

Requirements

Requires senior-level hands-on experience with Java, Spring Boot, REST APIs, HAPI FHIR, NextGen Connect, HL7 v2, and the Ontario HRM Standard. Candidates should also have strong ReactJS and FHIR Subscription experience, including secure integrations using OAuth 2.0 and mTLS, Docker delivery, automated testing, and production troubleshooting.

Skills

Java
Spring Boot
REST APIs
HAPI FHIR
FHIR R4
FHIR DSTU2
NextGen Connect (Mirth)
HL7 v2
Ontario HRM Standard
ReactJS
FHIR Subscriptions
Ontario Health Enterprise Pub/Sub
OAuth 2.0
Mutual TLS (mTLS)
Docker
Automated Testing

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
REST APIs
HAPI FHIR
FHIR R4
FHIR DSTU2
FHIR R4B
FHIR Subscriptions
SubscriptionTopic
NextGen Connect
Mirth
HL7 v2
Ontario HRM Standard
Ontario Health Enterprise Pub/Sub
ReactJS
OAuth 2.0
Mutual TLS
Docker
Containerized Deployment
Clinical Report Exchange
Electronic Medical Records
Message Transformation
Message Routing
FHIR Profile Validation
Automated Testing
Audit Logging
Event-Driven Integration
Production Troubleshooting
Healthcare Integration
Privacy-Aware Data Handling

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