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Added 13 days ago
Senior Software Engineer
Dye & Durham Talent Team
Montreal, QC
We are looking for a Senior Software Engineer who will be responsible for developing, maintaining, and enhancing in-house software applications that are critical to business operations and…
Added 13 days ago
Software Engineer Senior
Acuity Inc.
Brossard, QC
Join our team! We are looking for a Back-End developer who has an excellent technical foundation in back-end technologies such as .NET to be part of the Cloud team.
Added 13 days ago
Staff Software Engineer (Architecture)
Lantern
Vancouver, BC
Act as a senior architecture contributor and technical leader across key domains, collaborating with multiple pods to deliver cohesive and scalable solutions
Added 14 days ago
P
Senior Full Stack Developer
ProMach
Oakville, ON
- Full-time
As our Senior Full Stack Developer, you will work across the web platform with a primary focus on backend services, APIs, application data, and the integration between the backend and React…
Added 14 days ago
BD
Senior .NET Developer
Black Diamond Group
Calgary, AB
- Full-time
Black Diamond Group’s IT Projects department has a full-time position for Senior .NET Developer.
Added 14 days ago
C
Développeur .NET Senior
CGI
Montreal, QC
- Full-time
Nous recherchons un développeur .NET intermédiaire passionné par les technologies Microsoft et intéressé par les solutions d’intelligence artificielle. Vous contribuerez au développement…
Added 14 days ago
TC
Senior Dotnet Developer
Tata Consultancy Services
Toronto, ON
- $90,000 to $110,000 CAD / year
- Full-time
Design, develop, implement, and maintain technical solutions supporting legacy .NET applications on Windows 10/11 and Windows Server environments.
Added 14 days ago
I
Systems Testing/QA Specialist - Senior
isgSearch
Toronto, ON · Greater Toronto Area, Canada
- Contract
Senior Systems Testing/QA Specialist with 5+ years experience for building a modern digital information system and its integration with other internal and external applications.
Added 14 days ago
S
Senior Full-Stack Developer [Security & Risk Products]
ScalePad
Vancouver, BC
- Full-time
As a Senior Full-Stack Developer, you will be responsible for developing entirely new products and innovating within our existing technology stack. This will involve research, analysis,…
Added 15 days ago
RC
Senior software developer
Raenan Consultancy
Toronto, ON
- Full-time
Added 15 days ago
G
Dév. logiciel sénior / Senior Software Dev. - C# / REST APIs & API Modernization
Genetec
Montreal, QC
- Full-time
We're looking for a Senior Software Developer specialized in C# and REST API design. Your mandate will be twofold: build the company's new integration services in ASP.NET Core and Azure,…
Added 15 days ago
UR
Software Engineer - Team Lead (Forward Deployed)
Urban Ridge Supplies
Mississauga, ON
- Full-time
7+ years of professional experience in software engineering (Python, TypeScript, Java, .NET, or similar)
Added 15 days ago
UR
Principal Developer Support Engineer - Builder Experience
Urban Ridge Supplies
Toronto, ON
- $140,000 to $192,500 CAD / year
- Full-time
This is not primarily a queue role. You will mostly engage on cases that exceed senior engineer scope, the ones that need architecture judgment, not triage.
Added 15 days ago
UR
Principal Quality Architect
Urban Ridge Supplies
Toronto, ON
- Full-time
…multiple languages and paradigms (e.g., TypeScript, Python, Go, .NET, Java) based on specific problem domains. Ramp into unfamiliar stacks or…
Added 15 days ago
X
Associate Engineer (Back End)
Xero
Remote, Canada
- Full-time
- Remote
Developing high-quality software in C# and .NET Framework with guidance from senior engineers
Added 15 days ago
H
Senior Full Stack Engineer (Azure Cloud Platform)
HCLTech
ON · Ontario, Canada
- $60 to $75 CAD / hour
- Contract
We are looking for a hands-on Senior Cloud-Native Full Stack Engineer to design, build, and support secure, scalable applications on Microsoft Azure. This role combines modern full-stack…
Added 15 days ago
EC
Développeur(euse) QA sénior / Senior QA Developer
Eaton Corporation
Brossard, QC
- Full-time
Eaton's Electrical Engineering Services and Systems division is currently seeking a motivated Senior QA Developer for its ADPS Platform. This role is based at our Eaton Americas Innovation…
Added 15 days ago
FR
Senior Service Reliability Engineer
Fitch Ratings
Toronto, ON
- Full-time
Fitch Group is currently seeking a Senior Service Reliability Engineer to embed with Fitch Ratings development squads in Toronto and to partner with developers across Chicago, London,…
Added 15 days ago
N
Software Developer
Newforma
Quebec, QC
- Full-time
…cloud and backend systems, we’re looking for a skilled software developer who’s excited to solve real-world problems and contribute to meaningful product…
Added 15 days ago
Sr. Power Platform Developer
Softchoice
NL · Toronto, ON · Oakville, ON · Vancouver, BC · NB · NS · AB · BC · Nova Scotia, Nova · British Columbia, Brit
…real-world business problems. Receives mentorship and coaching from senior engineers and architects, and participates actively in Agile delivery…
Added 15 days ago
BB
Director, Application Support
Bond Brand Loyalty
Toronto, ON
- $125,000 to $170,000 CAD / year
Microsoft stack including native Azure, .NET, SQL.
Added 15 days ago
B
Senior Software Engineer - Full Stack - .NET
Bankjoy
Remote, Canada
- Full-time
- Remote
As a Senior Software Engineer within our Digital Banking platform, you will be instrumental in the development and maintenance of robust, secure, and scalable software solutions to power…
Added 15 days ago
C
Lead Mobile Application Engineer (.NET MAUI / Xamarin)
Clario
Canada
- Full-time
Clario, part of Thermo Fisher Scientific is seeking a Lead Mobile Application Engineer (.NET MAUI / Xamarin) to provide technical leadership in the design, development, and evolution of the…
Added 15 days ago
Senior Service Reliability Engineer
Fitch Group
Toronto, ON
Fitch Group is currently seeking a Senior Service Reliability Engineer to embed with Fitch Ratings development squads in Toronto and to partner with developers across Chicago, London,…
Added 15 days ago
S
Senior Dynamics 365 / Power Platform Developer
SharpAtoms
Toronto, ON
- $50 to $55 CAD / hour
- Contract
We are looking for a Senior Microsoft Dynamics 365 Developer with strong hands-on experience across Dynamics 365, Power Platform, Azure, and Dataverse.

ProMach

Senior Full Stack Developer

Oakville, ON, Canada

Salary range: $110,000 to $130,000 annually. · Full-time

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Job details

Pay: Salary range: $110,000 to $130,000 annually.
Job type: Full-time
Apply by: Oct 25, 2026
Posting language: English
Posted: Sep 25, 2026

Original job description

At ProMach, we look for people who want to shine. Here, you can grow your career, share bold ideas, and make a real impact.

Do we have your attention? Keep reading.

ZPI is continuing to develop and modernize its Monitor & Report platform, which delivers operational and production insights through an established .NET application, backend APIs, data services, and a modern React-based user interface.

As our Senior Full Stack Developer, you will work across the web platform with a primary focus on backend services, APIs, application data, and the integration between the backend and React user interface. You will develop new functionality, troubleshoot existing behavior, support incremental modernization, validate changes across multiple application layers, and help prepare reliable releases for customer environments. The role combines hands-on development with testing, release coordination, production support, and close collaboration with the rest of the development team.

What You’ll Do

Design, develop, and maintain backend services, business logic, data-access components, databases and APIs within the existing .NET application.
Develop and support React-based web functionality, working across the user interface and backend where features require changes in both layers.
Maintain and enhance existing ASP.NET MVC functionality while supporting the ongoing transition of appropriate features to React.
Implement and support dashboard modules, reporting features, time-frame logic, asset selection, calculations, and other data-driven application behavior.
Troubleshoot defects across the full application stack, including the React user interface, API endpoints, backend processing, application data, and SQL Server interactions.
Investigate data discrepancies and performance issues by reviewing code, application behavior, logs, API responses, and generated test results.
Create and maintain unit, integration, regression, and end-to-end tests, including comparison-based validation of application data and module results.
Prepare application builds and releases, coordinate branch merges, validate release candidates, maintain release notes, and communicate completed changes to internal stakeholders.
Provide ongoing maintenance and production support for customer deployments, including investigation of API usage, application performance, and release-related issues.
Create and update Azure DevOps work items, document defects and acceptance criteria, contribute to sprint planning, and participate in code and design reviews.
Collaborate with frontend, backend, product, support, and infrastructure team members to deliver changes that are maintainable and compatible with supported application versions.

What We’re Looking For

8+ years of professional software development experience, or equivalent demonstrated senior-level experience, with substantial hands-on work across C#, .NET Framework, web applications, APIs, and relational databases.
Strong experience developing and maintaining backend services, business logic, data-access layers, and RESTful APIs in an established .NET codebase.
Strong hands-on experience with React, JavaScript or TypeScript, HTML, and CSS.
Experience developing features that require coordinated changes across the frontend, backend, API, and data layers.
Experience working with ASP.NET MVC applications and incrementally modernizing server-rendered functionality into a component-based frontend.
Strong proficiency with SQL Server, including querying, troubleshooting data issues, and supporting application data-access code.
Experience troubleshooting issues involving calculations, time-based data, application state, API responses, and data presented in the user interface.
Experience creating and maintaining unit, integration, regression, and end-to-end tests for data-driven web applications.
Experience with Git workflows, pull requests, branching and merging, build preparation, release validation, release notes, and production support.
Proven ability to work effectively in a large existing codebase and deliver compatible, maintainable changes without unnecessary rewrites.
Experience effectively using AI-assisted development tools, such as GitHub Copilot or equivalent, to support coding, testing, troubleshooting, documentation, and technical analysis, with appropriate validation of generated output.

Competencies

C#, .NET Framework, ASP.NET MVC, and API development.
React and component-based frontend development.
SQL Server and data-access troubleshooting.
End-to-end debugging across application layers.
Testing and validating data-driven applications.
Azure DevOps, Git, pull requests, and release management.
Effective use of AI-assisted development tools, with appropriate validation of generated output.
Clear technical communication and collaboration.
Familiarity with manufacturing or industrial software is an asset.

Vacancy Status: This position is for an existing job vacancy.

What’s in it for you?

There's no monopoly on innovative ideas or limits to how far you can advance with our team. We offer an open, communicative environment that fosters individual initiative. We pride ourselves in being a company where people are happy and choose to build a career.

In addition to growth opportunities, as a ProMach employee, you receive more than just a paycheck. Total compensation includes your salary, a comprehensive medical/dental program, as well as a generous paid time off program, and a retirement savings plan with a company match (starting day one!). And because we understand the importance of feeling protected, you are eligible after three months of employment!

Salary range: $110,000 to $130,000 annually. Final compensation will be determined based on the candidate's experience, education, and relevant expertise.

Pro Mach, Inc. was named to the Inc. 5,000 list of the fastest growing private companies in the U.S. seven times. We continue to introduce innovative products, enter new markets, expand our global presence, and actively acquire new capabilities.

We have the rewards, opportunities, and the market strength of a large organization combined with the entrepreneurial culture of a small, fast-paced company. You will enjoy the benefits of working with a growing company that competes globally, with the personal touch and feel of a smaller company where you can make an impact every day.

Curious about life at ProMach? Follow us on LinkedIn, Twitter, and Instagram!

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

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More about this job

Responsibilities

Develop and maintain backend services, APIs, data-access components, and React functionality across an established .NET application, while troubleshooting issues across the full application stack. Create and validate tests, coordinate builds and releases, support customer deployments, and collaborate with product, development, support, and infrastructure teams.

Requirements

Requires 8 or more years of professional software development experience, or equivalent senior-level experience, with substantial hands-on work in C#, .NET, web applications, APIs, and relational databases. Candidates should have strong React and SQL Server experience, be able to test and troubleshoot data-driven applications, and be familiar with Git workflows, release support, and AI-assisted development tools.

Skills

C#
.NET Framework
ASP.NET MVC
React
JavaScript
TypeScript
HTML
CSS
RESTful APIs
SQL Server
Azure DevOps
Git
Automated Testing
Data-Access Troubleshooting
Release Management
AI-Assisted Development

Benefits

Medical Insurance
Dental Insurance
Paid Time Off
Retirement Savings Plan
Company Retirement Match

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET Framework
ASP.NET MVC
React
JavaScript
TypeScript
HTML
CSS
RESTful APIs
SQL Server
Azure DevOps
Git
GitHub Copilot
Backend Services
Data-Access Layers
Relational Databases
Dashboard Modules
Reporting
Unit Testing
Integration Testing
Regression Testing
End-to-End Testing
Production Support
Release Management
Pull Requests
Branching and Merging
Data-Driven Applications
Incremental Modernization
Manufacturing Software
Industrial Software

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