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Added 1 hour ago
IAM Engineer
Mindlance
Toronto, ON
Contract
Job Title: Senior IAM Systems Engineer – Advanced
Added 2 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 2 hours ago
Artificial Intelligence Engineer
Hays
Halifax, NS
Full-time
Team Lead, AI Engineering / Senior AI Engineer
Added 2 hours ago
DevOps Developer
RBC
Toronto, ON
Full-time
…development and streamlining the software delivery lifecycle? As a Senior DevOps Engineer, you will play a critical role in bridging the gap between development and operations, ensuring…
Added 2 hours ago
Senior Data Engineer :Scala, Spark, Python, Hadoop, Databricks
TD
Toronto, ON
Full-time
As a Senior Data Engineer in the XVA and CCR data development team, you will be responsible for designing, building, and maintaining scalable data pipelines that power our analytics and…
Added 3 hours ago
Identity and Access Management (IAM) Engineer
Mindlance
Toronto, ON
Contract
Job Title: Senior IAM Systems Engineer - Advanced
Added 3 hours ago
Senior Data Engineer, Analytics
CMLS Financial
Vancouver, BC
$90,000 to $110,000 CAD / year
…combine over 50 years of mortgage expertise with proprietary cloud and AI technology to transform the future of…
Added 3 hours ago
Senior Data Engineer, Analytics
Nesto Group(e)
Vancouver, BC
$90,000 to $110,000 CAD / year
…combine over 50 years of mortgage expertise with proprietary cloud and AI technology to transform the future of…
Added 3 hours ago
Senior Staff Engineer
Marvell Technology
Ottawa, ON · CA-ON - Ottawa
Full-time
We are seeking a highly skilled and proactive DevOps Engineer with specialized expertise in Jenkins and build automation. In this role, you will lead the design, implementation, and…
Added 4 hours ago
DevOps Automation Engineer (OpenShift / .NET / CI/CD)
Ateko, backed by Bell Canada
Mississauga, ON
Contract
We are seeking an experienced DevOps Automation Engineer to join a high-performing Agile Scrum team responsible for supporting a large portfolio of enterprise applications. The team is…
Added 4 hours ago
Senior Business Systems Analyst (BSA) – Infrastructure & Developer Platform
Flow Global Technology
Vancouver, BC
Contract
8+ years as a Business Systems Analyst, Technical Analyst, Platform Product Owner, or similar role, including at least 3 years supporting infrastructure, cloud, or DevOps teams.
Added 21 hours ago
Senior Systems Engineer
Aviso
Toronto, ON
$110,000 to $120,000 CAD / year
Full-time
We're looking to fill an opening for a Senior Systems Engineer to join our Technology Ops & Support Partners team.
Added 21 hours ago
Senior Data Engineer, Temporary
Aviso
Toronto, ON
Temporary
We're looking for a Senior Data Engineer to join our Data and Analytics Group within the Technology Services Partners (TSP) department for 12 months.
Added 1 day ago
Senior Machine Learning Engineer
Skip
Edmonton, AB
Full-time
As a Senior ML Engineer you will take a leadership role in shaping the strategic direction of our machine learning infrastructure, proactively identifying opportunities for innovation and…
Added 2 days ago
Power Platform & Copilot Studio Architect
Softchoice
Calgary, AB · AB · NS · Oakville, ON · Ottawa, ON · Toronto, ON · Nova Scotia, Nova
…real‑world outcomes. We do this through the delivery of secure cloud, AI, software and digital workplace solutions that enable agility, innovation and…
Added 2 days ago
Senior Machine Learning Engineer
Just Eat Takeaway.com
AB
Full-time
As a Senior ML Engineer you will take a leadership role in shaping the strategic direction of our machine learning infrastructure, proactively identifying opportunities for innovation and…
Added 2 days ago
Senior Cloud Security Engineer ( Global Security)
RBC
Vancouver, BC · Toronto, ON
Full-time
The AWS Security Controls team within Cloud Security Engineering is working on several exciting initiatives to further secure RBC’s AWS environment. In this role as a Senior Cloud Security…
Added 2 days ago
Senior Data Platform Engineer
Norton Rose Fulbright
Toronto, ON · Calgary, AB
Full-time
The Senior Data Platform Engineer will act as a technical lead for our technologies in any project or initiative, and is responsible for designing, developing, implementing, and supporting…
Added 2 days ago
Founding Staff Platform Engineer
Clutch Technologies Inc.
Toronto, ON
8+ years building cloud infrastructure, platform engineering, DevOps, or developer tooling at scale.
Added 2 days ago
Senior Manager, Engineering
TD
Toronto, ON
Full-time
The Senior Manager, Engineering role requires in-depth experience in building enterprise scaled cloud platforms, enabling cloud services and compute capabilities, and codifying patterns for…
Added 2 days ago
Senior AI Full‑Stack Engineer
Manulife
Waterloo, ON
Full-time
We are seeking a Senior Full‑Stack AI Engineer to help shape how modern AI‑driven software is built, deployed, and scaled. In this role, you will work at the intersection of cloud…
Added 2 days ago
Software Development Engineer - Agent Factory
Workday
Vancouver, BC · Canada, BC, Vancouver
Full-time
Agent Factory is where Workday’s next chapter gets built. We’re forming small, senior, cross-functional AI teams that bring together product leaders, machine learning engineers, and…
Added 2 days ago
Team Lead, AI Engineering
The Citco Group Limited
Halifax, NS
Full-time
As a core member of our technology team, you will work with dedicated professionals to build and support secure, cloud-native and AI-enabled applications for the financial services…
Added 2 days ago
Senior Consultant - GCP Cloud Infrastructure Architect
Deloitte
Toronto, ON
Full-time
This is a Senior Consultant role: 7–10 years of total experience with 4–6 years hands-on on Google Cloud (or equivalent cloud with a credible GCP transition path). You will lead workstreams…
Added 2 days ago
Senior Azure engineer
Manx Telecom Enterprise
Permanent North American Gaeltacht, ON
Full-time
The Senior Azure Engineer (Azure Consultant) is a key technical role responsible for designing, delivering, and supporting modern cloud and hybrid IT platforms for our customers. This…

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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