Web Application Developer
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Before you apply
LocationMississauga, ON
Work modeon-site
Typefull-time
SenioritySenior
Experience5+ yrs
DepartmentFlynn Group of Companies, Information Technology/IT
Company size5,001–10,000 people
PostedMay 27, 2026 · 5mo ago
Verified live2d ago
At a glanceSummarised by Seekless from the posting.
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
Experience with any of the following tools and technologies: Atlassian Jira, GitHub, Azure DevOps, Aha!, New Relic, Sumo Logic
Experience working with observability and monitoring tools such as Sumo Logic, New Relic, CloudWatch, etc.
Experience working with DevOps concepts such as CI/CD and Infrastructure as Code
Familiarity with AI-powered development tools such as GitHub Copilot, Claude Code, or similar
Skills
C#
.NET
ASP.NET
Angular
JQuery
Kendo UI
API
.NET Core
MongoDB
MySQL
SQL Server
AWS
Azure
CLEAN architecture
SOLID principles
JIRA
Aha!
GitHub
Azure DevOps
New Relic
Sumo Logic
CloudWatch
GitHub Copilot
Claude Code
Benefits
Health insurance
Dental insurance
Vision insurance
Rrsp match
Gym membership
Employee assistance program
Free parking
Ev charging
Training and development
Subsidized cafeteria
Family events
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
-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.
Hiring process
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.