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Added 40 mins ago
Senior Data Engineer
Tubi - Canada
Toronto, ON
As a Senior Data Engineer at Tubi, you'll be instrumental in developing and maintaining robust data processing pipelines that underpin our reporting, analytics, and performance insights.…
Added 1 hour ago
Sr. Software Engineer (Salesforce), Specialty Health Technology
Loblaw Companies Limited
Brampton, ON
Full-time
Senior Software Engineer (Salesforce) - Specialty Health Technology
Added 3 hours ago
Senior Engineer - ServiceNow Development
The TJX Companies, Inc.
Mississauga, ON · CAN Home Office Mississauga ON
$87,780 to $122,892 CAD / year
Full-time
We’re looking for a Senior Engineer - ServiceNow Development to play a key role in designing and delivering innovative ServiceNow solutions that enhance service management processes and…
Added 4 hours ago
AI Delivery Engineer
7shifts
Toronto, ON
Full-time
As an AI Delivery Engineer on the Developer Experience squad at 7shifts, you work at the intersection of strong engineering judgment and AI-enabled execution. You report to the Engineering…
Added 5 hours ago
Artificial Intelligence Engineer
Gala Solutions
Montreal, QC
Contract
The ideal candidate will have strong hands-on experience building software platforms on any combination of the following platforms - Kubernetes, cloud (AWS, Azure, and/or Google), API-based…
Added 6 hours ago
Full Stack Engineer
BITS Recruiting
Toronto, ON
Contract
Our client is seeking three Senior Full Stack Software Developers to lead the decomposition of monolithic legacy systems into modular, scalable, and interoperable services. Candidates will…
Added 17 hours ago
Lead React Native Engineer
AI Interviews
Toronto, ON · Greater Toronto and Hamilton Area, ON
Full-time
Role summary.We are seeking a Senior/Lead React Native Engineer with 8+ years of mobile engineering and 5+ years of production React Native experience.Strong expertise in React Native…
Added 19 hours ago
Senior AI Engineer (Permanent)
CoreFactor Inc.
ON · Downtown Toronto (Underground city), Ontario
Full-time
We are seeking an experienced and technically strong Senior AI Engineer to join our clients Data, AI & Analytics team. This role focuses on the applied use of Generative AI and Agentic AI,…
Added 19 hours ago
Senior AI Engineer (Permanent)
CoreFactor
Toronto, ON · Greater Toronto Area, Canada
Full-time
We are seeking an experienced and technically strong Senior AI Engineer to join our clients Data, AI & Analytics team. This role focuses on the applied use of Generative AI and Agentic AI,…
Added 1 day ago
Lead IAM Engineer
Thomson Reuters
Toronto, ON · Canada, Toronto, Ontario
Full-time
…multi-factor authentication (MFA). This individual will serve as a senior technical resource for identity architecture, security hardening, operational excellence, modernization…
Added 1 day ago
Senior Frontend (FE) Engineer
Class8
Remote, Canada
$80,000 to $150,000 CAD / year
Full-time · Remote
Collaborate closely with Product, Design, Engineering Leads, and other stakeholders to translate requirements and designs into high-quality experiences.
Added 2 days ago
Senior Native Engineer, Partnerships
Javelin Venture Partners
ON · Ontario, Canada
Full-time
As a Native Engineer on the Partnerships team, you'll bring our partnership vision to life by enhancing the native applications our customers and pros use every day. You'll work closely…
Added 2 days ago
Senior Software Engineer, Design Systems
Javelin Venture Partners
ON · Ontario, Canada
Full-time
The Design Systems team owns Thumbprint, Thumbtack's design system used across web, iOS, and Android, plus the engineering tooling that connects design intent to shipped product code. We're…
Added 2 days ago
Senior Azure engineer
Manx Telecom Enterprise
Permanent North American Gaeltacht, ON
Full-time
A strong focus on collaboration and continuous improvement is key. The Senior Azure Engineer will work with colleagues across engineering, security, and service teams to implement best…
Added 3 days ago
Lead Engineer - Systems Dynamics
Beacon Holdings
Canada
Full-time
Beacon buys established vertical software companies and puts real engineering leadership into them. Our engineers embed in one business and own its technology.
Added 3 days ago
Senior Software Engineer, Design Systems
Thumbtack
Remote, Canada
Full-time · Remote
The Design Systems team owns Thumbprint, Thumbtack's design system used across web, iOS, and Android, plus the engineering tooling that connects design intent to shipped product code. We're…
Added 3 days ago
Senior Native Engineer, Partnerships
Thumbtack
Remote, Canada
Full-time · Remote
As a Native Engineer on the Partnerships team, you'll bring our partnership vision to life by enhancing the native applications our customers and pros use every day. You'll work closely…
Added 3 days ago
Lead Engineer - Systems Dynamics
Beacon Software
Remote, Canada
Full-time · Remote
Beacon buys established vertical software companies and puts real engineering leadership into them. Our engineers embed in one business and own its technology.
Added 3 days ago
Cloud Engineer
Morson Edge (Canada)
Oakville, ON
$95,000 to $135,000 CAD / year
Full-time
Morson Edge is seeking an experienced Cloud Engineer to join a growing infrastructure team. This role is ideal for a cloud professional with strong Microsoft Azure expertise who is…
Added 3 days ago
Senior React Native Engineer-Canada
Zazz
Toronto, ON · Greater Toronto Area, Canada
Full-time
Role summary. Lead engineer on the delivery team. Owns the highest-complexity screens and integrations.
Added 4 days ago
Senior Associate -Cyber Security Forward Deployed(Bilingual FR/EN)
PwC
Toronto, ON · Ottawa, ON · Vancouver, BC · Calgary, AB
Full-time
…members to design and implement security solutions (e.g. Cloud/App Security, AI to Defend) for our clients, helping secure their cloud environments and software development processes. In…
Added 4 days ago
Senior Software Engineer: Mobile & Full Stack
Ethereal Music Group
Vancouver, BC · Greater Vancouver Metropolitan Area
$125,000 to $160,000 CAD / year
Full-time
We’re looking for a Senior Software Engineer - Mobile & Full Stack who can take a problem from an initial requirement through technical design, implementation, release, and production…
Added 4 days ago
Data Science Developer
Transit
Montreal, QC
$90,000 to $125,000 CAD / year
Full-time
Regardless of whether you’re a hybrid data engineer-slash-scientist or a senior data engineer eager to cannonball into the data science side of things, to succeed in this role you’ll need…
Added 4 days ago
Guidewire Consultant
Envision Technology Solutions
Markham, ON
Contract
The role involves working with the Senior Manager - Software Engineering.
Added 4 days ago
Software Engineer - Mobile App (Expo/React Native)
TopHat HR
Markham, ON
$95,000 to $105,000 CAD / year
Full-time
Our client is a Startup Company with a clear product vision and a growing need for engineering talent. They are looking for a motivated and capable Software Engineer to help build and ship…

BITS Recruiting

Full Stack Engineer

Toronto, ON, Canada

Job type: Contract
Apply by: Oct 28, 2026
Experience: Backend Expertise (.NET): 10+ years of hands-on experience developing enterprise applications with C#, .NET Core/ASP.NET Core, and legacy .NET Framework (3.5/4.x).
Posting language: English
Posted: Sep 28, 2026

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Original job description

Senior Full Stack Software Developer (x3)

Location: University Avenue, Toronto (Hybrid: Up to 3 days onsite per week, subject to hiring manager's discretion)
Contract Duration: October 19, 2026 – October 4, 2027 (250 Business Days)
Incorp Rate: $95-$98.07

Position Summary

The Enhancing Home and Community Care (HCC) Digital Connectivity Program is executing a multi-year strategy to modernize the HCC digital ecosystem. This initiative aims to reduce dependencies on the legacy Client Help and Related Information System (CHRIS) platform and establish the foundation for a future-state home care ecosystem.

Our client is seeking three Senior Full Stack Software Developers to lead the decomposition of monolithic legacy systems into modular, scalable, and interoperable services. Candidates will leverage deep expertise in the Microsoft technology stack, modern web frameworks, Azure cloud infrastructure, and enterprise architecture to deliver high-performing healthcare solutions.

Key Responsibilities

Architecture & Modernization: Decompose monolithic legacy applications (CHRIS, ASP.NET Framework, WCF, Windows Services, Windows Forms) into modular microservices and APIs. Execute phased migration roadmaps with minimal business disruption.
Full Stack Development: Design, build, test, and maintain enterprise-grade web applications utilizing C#, .NET Core, ASP.NET Core, Angular, and modern JavaScript.
API Engineering & Security: Develop, secure, and integrate RESTful APIs using OAuth2, JWT, and modern authorization patterns.
Cloud & DevOps (Azure): Configure, deploy, and support Azure cloud services - including App Services, Azure SQL, Azure Storage, Event Hub, Azure Data Explorer (ADX), Key Vault, and Application Insights. Maintain CI/CD pipelines via Azure DevOps and Git.
Database Optimization: Design, optimize, and troubleshoot SQL Server databases, writing complex T-SQL queries, stored procedures, indexing schemes, and execution plans.
Performance & Reliability: Build high-performance, multithreaded, asynchronous applications. Conduct production troubleshooting, root-cause analysis, and performance tuning across application, database, and cloud layers.
Collaboration & Quality: Conduct code reviews, enforce clean code practices, maintain comprehensive documentation, and work closely with architects, analysts, QA, infrastructure teams, and business stakeholders.

Mandatory Requirements ("Must Haves")

Modernization & Legacy Transformation: Demonstrated enterprise experience decomposing monolithic platforms into modular services/APIs and successfully executing phased migration roadmaps.
Backend Expertise (.NET): 10+ years of hands-on experience developing enterprise applications with C#, .NET Core/ASP.NET Core, and legacy .NET Framework (3.5/4.x).
Frontend Expertise (Angular): Strong professional experience with Angular, component-based architectures, state management, responsive UI design, and AngularJS legacy migration paths.
Solution Architecture & Design: Deep knowledge of Domain-Driven Design (DDD), API-first design, event-driven architecture, design patterns, and clean code principles.
Cloud & Database Competency: Proven capability with Microsoft Azure cloud services and advanced T-SQL performance tuning.
Candidate Requirement: Must include a valid LinkedIn ID directly on the submitted resume.

Desired Skills & Assets

Healthcare Sector Experience: Background working within public sector healthcare environments.
Healthcare Interoperability Standards: Familiarity with HL7 standards, healthcare messaging, and FHIR resources/APIs.
Integration Engines: Hands-on experience developing, configuring, and monitoring channels within Mirth Connect.

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More about this job

Responsibilities

Modernize legacy healthcare platforms by decomposing monolithic applications into modular services and APIs, and build enterprise-grade full-stack applications using Microsoft technologies. Deploy and support Azure services and CI/CD pipelines, optimize SQL Server performance, troubleshoot production issues, and collaborate with technical and business teams.

Requirements

Requires 10+ years of enterprise development experience with C#, .NET Core/ASP.NET Core, legacy .NET Framework, and Angular, along with demonstrated experience modernizing monolithic systems through phased migrations. Candidates must also have strong architecture and API design expertise, Azure and advanced T-SQL skills, and include a valid LinkedIn ID on their resume.

Skills

C#
.NET Core
ASP.NET Core
Angular
Azure
Microservices
RESTful APIs
SQL Server
T-SQL
Domain-Driven Design
Event-Driven Architecture
OAuth2
JWT
Azure DevOps
Legacy System Modernization
Healthcare Interoperability

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET Core
ASP.NET Core
.NET Framework
Angular
AngularJS
JavaScript
Azure
Azure App Services
Azure SQL
Azure Storage
Event Hub
Azure Data Explorer
Key Vault
Application Insights
Azure DevOps
Git
SQL Server
T-SQL
Microservices
RESTful APIs
OAuth2
JWT
Domain-Driven Design
Event-Driven Architecture
CI/CD
HL7
FHIR
Mirth Connect
Healthcare

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