Hiring in Canada: Senior Web Application Developer

At Flynn, it’s not just a job, it’s a career.

Overview

Flynn Group of Companies, North America’s leading building envelope contractor, is hiring a Sr. Web Application Developer to work in our Toronto, Canada office.

Relocation & Support

• Permanent relocation to Canada; office attendance 5 days a week.
• In‑house licensed immigration team will assist with work permits, spouse/common‑law partner, dependents, status maintenance, and permanent residency applications at no cost.
• 3‑month accommodation and reimbursement for flight to Canada.
• Health, prescription drug, dental, vision insurance for you and your family.
• Registered Retirement Savings Plan (RRSP) contributions.
• Employee and Family Assistance Program.
• Subsidised onsite cafeteria with excellent food choices.
• Free parking and EV charging facility.
• MSDN subscription.
• Monthly Azure and AWS credits.
• Enterprise AI subscription (GitHub Copilot, Claude, or similar – your choice).

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.

Responsibilities

• Core member of the team to design, architect, develop, and perform code reviews and testing for key applications.
• Design new application features and integrations in collaboration with team members to deliver complex changes.
• Design and implement scalable, resilient cloud solutions with security and disaster recovery in mind.
• Help the team plan and execute technical deliverables.
• Ensure good code coverage and test coverage by writing and maintaining effective automated tests.
• Champion code quality in the team by adhering to CLEAN architecture and SOLID principles.
• Mentor other developers on the software development life cycle, best practices, and elevate team skills through technical mentorship.
• Work with BA team and stakeholders to identify business needs and develop aligned solutions.
• Provide off‑hours support as required.
• Participate in a rotating weekly on‑call schedule.

Qualifications

• 10+ years of recent experience, with at least 5 years in a Sr. Web Developer or similar senior role.
• Post‑secondary education in Computer Science/IT or related field.
• Experience in .NET / .NET Framework and C#.
• Experience with Entity Framework.
• Experience with TypeScript front‑end frameworks: Angular, React, Vue.
• Experience with relational databases: MySQL, SQL Server, Postgres.
• Experience with non‑relational databases: MongoDB, DocumentDB, DynamoDB.
• Experience with Docker and container hosting: AWS ECS, Kubernetes.
• General Amazon AWS knowledge (or equivalent): EC2, S3, CloudFront, Elastic Beanstalk, DynamoDB.
• Basic networking knowledge and troubleshooting.
• Experience with 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.

Company Background

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.

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