Salary not listedPosted 4w ago
Real job — pulled straight from Flynn Companies’s careers page · Verified October 9, 2026 · No reposts.
Job description
Flynn Companies is hiring a Web Application Developer — a full-time, based in Mississauga, ON role. Apply directly on Flynn Companies's careers page below.
Web Application Developer
Team: Information Technology/IT
Location: Mississauga, ON
Commitment: Office Full-time
Workplace Type: onsite
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 Tech Stack
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
-Enterprise AI subscription (GitHub Copilot, Claude, or similar)
Responsibilities
-Will be a core member of the team to design, architect, develop, code reviews and test 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 environment 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
#LI-AD1
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.
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Frequently asked questions
What skills are required for Web Application Developer at Flynn Companies?
The required skills for Web Application Developer at Flynn Companies include: ASP.NET, Angular, C#, .NET, MongoDB, MySQL, SQL Server, AWS, Azure, Microservices, JIRA, Agile, CI/CD, New Relic, CloudWatch.
What is the seniority level for Web Application Developer at Flynn Companies?
Web Application Developer at Flynn Companies is a Senior level position.
How do I apply for Web Application Developer at Flynn Companies?
You can view the full description and apply for Web Application Developer at Flynn Companies on EchoJobs: https://echojobs.io/job/flynn-companies-web-application-developer-1ipsp.