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Added 5 mins ago
Senior Data Engineer
TripleLift
Toronto, ON
TripleLift is seeking a Senior Data Engineer to join a small, influential Data Engineering team. This hire will be responsible for expanding and optimizing our data pipeline architecture,…
Added 5 mins ago
Senior Software Engineer - Credit Commercial Engineering
Marqeta
Remote, Canada
Full-time · Remote
Marqeta is seeking a skilled Senior Software Engineer to contribute to the design and delivery of software solutions on our Credit Commercial Engineering Team. In this role, you will take…
Added 5 mins ago
AI Engineer
FacilityOS
Remote, Canada
$80,000 to $100,000 CAD / year
Full-time · Remote
The Cloud Engineer reports to the Director of Cloud Engineering and joins the CloudOps team responsible for the infrastructure behind FacilityOS’s SaaS platform. This is a generalist role…
Added 5 mins ago
Senior Engineer
Xero
Remote, Canada
Full-time · Remote
Added 5 mins ago
Software Engineer, Machine Learning
Ema
Vancouver, BC
Full-time
Added 5 mins ago
Software Development Manager, AIO Visualization and Reporting
Amazon
Vancouver, BC
…which customer's data, millions of times a month. A senior engineer leads each area, and a product manager works across both, so you will lead through your engineers rather than assigning…
Added 5 mins ago
Senior Data Engineer
Precision AI
Calgary, AB
Full-time
Added 5 mins ago
Structural Manager
AECOM
Burnaby, BC
$150,000 to $180,000 CAD / year
Full-time
Added 5 mins ago
Project Director
AECOM
Markham, ON
$155,000 to $205,000 CAD / year
Full-time
Added 5 mins ago
Junior Electrical Technologist - Buildings
CIMA+
Ottawa, ON
$60,480 to $83,160 CAD / year
Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 5 mins ago
Senior Building Mechanical Technologist
CIMA+
Mississauga, ON
$68,960 to $94,820 CAD / year
Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 20 mins ago
REQ26 -153 - Intern Underground Mining Engineering
Glencore
Quebec, QC
Volunteer
Under the Senior Engineer – Mining Engineering, you will have the opportunity to work in an environment that stands out for its health and safety results and is oriented towards new…
Added 20 mins ago
Instructor, Aircraft Structural Repair Technician Program
College of the North Atlantic
Gander, NL
Full-time
Certificate in Aircraft Structural Repair Technician with a valid Canadian Aircraft Maintenance Engineer's license, category "S"; structures.
Added 20 mins ago
Full Stack Engineer (.NET/ Angular)
Altis
Toronto, ON
$85 to $95 CAD / hour
Contract
Added 20 mins ago
Technologue en géomatique
AtkinsRéalis
Montreal, QC
Full-time
…committed to leading our clients across our various end markets to engineer a better future for our planet and its…
Added 20 mins ago
Software Developer - Amdocs Clarify CRM/Java
Resonaite
Markham, ON
Contract
Our client is seeking a contract based Software Engineer with a focus on Amdocs Clarify CRM. The ideal candidate brings strong Java, Spring Boot, Oracle, API and full-stack development…
Added 20 mins ago
Telecom Commissioning Engineer
Hallmark Global Solutions Ltd
Mississauga, ON
Full-time
Added 20 mins ago
Integrator engineer
Zodiac Solutions, Inc
Montreal, QC
Full-time
Added 20 mins ago
Senior Building Mechanical Technologist
CIMA+
Kitchener, ON
$68,960 to $94,820 CAD / year
Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 20 mins ago
Laboratory Technician - Electrical Testing
TEEMA
Victoria, BC · Greater Victoria, BC
$30 to $50 CAD / hour
Contract
Assist with ad-hoc technical support, test setups, and lab logistics to maximize engineer productivity.
Added 20 mins ago
Technologist/Technician
Morson Edge
Burnaby, BC
$30 to $46 CAD / hour
Contract
…under the general supervision of a more senior technician or engineer who reviews work for accuracy, adequacy, and conformance with prescribed…
Added 20 mins ago
Senior Cloud Platform Engineer, DevOps
ProCogia
Vancouver, BC
Full-time
ProCogia is looking for a Senior Cloud Platform Engineer with strong hands-on DevOps and cloud engineering experience who can design, build, operate, and improve modern enterprise…
Added 20 mins ago
Solution Engineer, Public Sector, Canada
Salesforce
Toronto, ON
Full-time
The Solution Engineer must have a strong desire to demonstrate their technical, presentation, and persuasive skills related to positioning Salesforce solutions, including the ability to…
Added 20 mins ago
Senior Building Mechanical Technologist
CIMA+
Mississauga, ON
$68,960 to $94,820 CAD / year
Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…
Added 20 mins ago
Junior Electrical Technologist - Buildings
CIMA+
Ottawa, ON
$60,480 to $83,160 CAD / year
Full-time
…what’s expected of us to meet the challenges of tomorrow and engineer a better…

Altis

Full Stack Engineer (.NET/ Angular)

Toronto, ON, Canada

Pay: $85 to $95 CAD / hour
Job type: Contract
Apply by: Oct 22, 2026
Experience: 10+ years of enterprise software development experience using C#, .NET Core, ASP.NET Core, and legacy ASP.NET Framework technologies.
Posting language: English
Posted: Sep 22, 2026

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Original job description

Location: Toronto, ON, Hybrid (3 days on-site per week)

Language: Excellent written and verbal English communication skills

Duration: 1-year contract

Background Check Requirement: Successful completion of a criminal background check may be required.

About the Opportunity

Join a large public sector digital transformation initiative focused on modernizing critical home and community care technology. As a Senior Software Developer, you will play a key role in transforming legacy enterprise applications into scalable, cloud-enabled solutions that improve the delivery of essential services across Ontario.

Working alongside architects, business analysts, QA professionals, and development teams, you will help design and deliver secure, high-performing applications using modern Microsoft technologies. This is an opportunity to contribute to a multi-year modernization program while influencing architecture, mentoring peers, and delivering meaningful technology solutions.

What's In It for You

Work on a large-scale modernization program using the latest Microsoft and Azure technologies while helping shape the future of enterprise application development. You'll join a collaborative environment that values innovation, knowledge sharing, and continuous improvement, offering exposure to complex technical challenges and opportunities for professional growth.

Your Responsibilities

You'll design, develop, test, deploy, and maintain enterprise applications using C#, .NET Core, ASP.NET Core, Angular, JavaScript, and related technologies.

You'll modernize legacy .NET Framework, WCF, Windows Services, Windows Forms, and IIS-hosted applications by decomposing monolithic systems into modular, API-driven solutions.

You'll build secure REST APIs, implement JWT and OAuth2 authentication, and develop scalable, high-performance applications using asynchronous and multithreaded programming.

You'll develop and optimize Microsoft SQL Server databases while supporting Azure App Services, Azure SQL, Storage, Event Hub, Azure Data Explorer, Key Vault, Application Insights, and Azure Monitor.

You'll support Azure DevOps CI/CD pipelines, perform code reviews, troubleshoot production issues, and collaborate with cross-functional teams to deliver secure, maintainable software solutions.

Skills and Qualifications

10+ years of enterprise software development experience using C#, .NET Core, ASP.NET Core, and legacy ASP.NET Framework technologies.

Demonstrated experience modernizing legacy applications, designing REST APIs, and implementing secure authentication and authorization using JWT and OAuth2.

Strong experience developing Angular applications, including AngularJS migration, JavaScript, HTML, CSS, jQuery, component-based architecture, and responsive user interfaces.

Advanced Microsoft SQL Server expertise, including T-SQL, stored procedures, indexing, query optimization, execution plans, and database performance tuning.

Hands-on experience with Microsoft Azure services, Azure DevOps, Git, CI/CD pipelines, application monitoring, and cloud-native development.

Strong understanding of software architecture, Domain-Driven Design (DDD), API-first design, event-driven architecture, design patterns, Agile delivery, and secure software engineering practices.

Experience developing and supporting integrations between healthcare applications and systems.

Familiarity with HL7 standards and healthcare messaging, including troubleshooting HL7 interfaces.

Knowledge of FHIR standards, resources, APIs, and modern healthcare interoperability.

Hands-on experience developing, configuring, monitoring, and troubleshooting Mirth Connect channels and integrations is considered a strong asset.

Why Partner with Altis

If you’ve never worked with a staffing agency before, we make it easy. We work with top employers across Canada who have great jobs to fill, each vetted and verified by our team. When you apply for a job with Altis, we get to know you as a candidate and learn what your strengths are. Then, if you’re a solid match, we handle all the logistics, advocating for you as a candidate for the role, providing access to coaching and connecting you directly with the hiring manager. And rest assured, all our services are free of cost for candidates.

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More about this job

Responsibilities

You will design, develop, and modernize enterprise applications by transforming legacy systems into scalable, cloud-enabled, API-driven solutions. Additionally, you will collaborate with cross-functional teams to maintain secure software, optimize databases, and support CI/CD pipelines within an Azure environment.

Requirements

Candidates must have over 10 years of enterprise software development experience with C#, .NET, and Angular. Strong expertise in modernizing legacy applications, implementing secure authentication, and working with Azure cloud services is required.

Skills

C#
.NET Core
ASP.NET Core
Angular
JavaScript
Microsoft SQL Server
Azure
REST APIs
JWT
OAuth2
CI/CD
Domain-Driven Design
HL7
FHIR
Mirth Connect
Git

Visa sponsorship

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Keywords

Full Stack Engineer
C#
.NET Core
ASP.NET Core
Angular
JavaScript
Microsoft SQL Server
Azure
REST APIs
JWT
OAuth2
CI/CD
Domain-Driven Design
HL7
FHIR
Mirth Connect
Git
Cloud-native
API-first design
Event-driven architecture
Agile
T-SQL
Azure DevOps
Enterprise software
Modernization
Healthcare technology
Public sector
Software architecture
Database performance tuning
Asynchronous programming

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