At Flynn, it's not just a job, it's a career
Flynn Group of Companies , North America’s leading building envelope contractor is looking to hire a Web Application Developer to work in our beautiful Mississauga location.

Our primary tech stack is .NET (C#) hosted in AWS and Microsoft Azure. We use MongoDB, MySQL, and SQL Server for our databases. Apps are built in ASP.NET and Angular for our web apps.

What we offer:

-Funded training and development program

-Very well-equipped on-site gym w/ free access

-Dental and supplemental medical plan

-Matching RRSP contributions

-Employee and Family Assistance Program

-Subsidized onsite cafeteria with excellent food choices!

-Free parking and EV Charging facility

-Family Events and Flynn Fest

-MSDN Subscription

-Enterprise AI subscription (GitHub Copilot, Claude, or similar - your choice)

Responsibilities

Will be a core member of the team to design, architect, develop, code reviews andtest our key applications

Design new application features and integrations in collaboration with team members to deliver complex changes

Design and implement scalable and resilient cloud solutions with security and disaster recovery in mind

Lead and drive all activities to integrate real and near-real time capabilities between new core products and other applications

Ensure good code coverage and test coverage by writing and maintaining effective automated tests

Be a champion of code quality in team by adhering to CLEAN architecture and SOLID principles





Participate in a rotating weekly on-call schedule

Off-hours support as required

What we are Seeking

Must have at least 5 years of experience working on web development

Post-secondary education in Computer Science/IT or related field

4 years of experience with web development - Angular, Jquery, KondoUI, API, .NET Core, MongoDB and/or MySQL

Experience in .NET / .NET Framework and C#

2 years with cloud technologies - AWS or Azure. Experience working with integrating interconnected systems such as microservices

Solid understanding of and hands on experience with CLEAN architecture and SOLID principles

Troubleshoot and resolve technical issues and provide support during the testing and deployment phases

Experience in Agile setting using tools such as JIRA, Aha

Knowledge of security best practices

Experience with containerization

Nice to have: Experience working with observability and monitoring tools such as Sumo Logic, New Relic, CloudWatch, etc.

Nice to have: Experience working with DevOps concepts such as CI/CD and Infrastructure as Code

Experience with any of the following tools and technologies: Atlassian Jira, GitHub, Azure DevOps, Aha!, New Relic, Sumo Logic





Familiarity with AI-powered development tools such as GitHub Copilot, Claude Code, or similar - we embrace AI-assisted development as part of our engineering culture

We trust our engineers - if there's a tool, license, or resource that helps you work better, just ask. We'll make it happen

Flynn Group of Companies is the leading trade contractor in North America that works on virtually every aspect of a building’s outer layer, including Roofing, Glazing, Waterproofing, and Architectural Metals. The foundation of our award winning success is having the right people on our team.

Disclosure: We use an AI-powered system to initially screen resumes. However, all applications/resumes are also reviewed by our team of Human Resources and Talent Acquisition Professionals to ensure a fair and thorough evaluation in determining a candidate’s potential fit for a role they applied to.

This posting is for an existing vacancy within the organization.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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📌 Web Application Developer (Ontario)
🏢 Flynn Group of Companies
📍 Ontario