Posted: September 7th, 2025
Job Description
Overview
Flynn Group of Companies, North America’s leading building envelope contractor, is looking to hire a Sr. Web Application Developer to work in our Mississauga location. Relocation assistance is provided for top qualified candidates.
What we offer
- Funded training and development program
- Very well-equipped on-site gym with 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
- Monthly AWS credits
Responsibilities
- Be a core member of the team to design, architect, develop, code review and test 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
- Help the team plan and execute technical deliverables
- Ensure good code coverage and test coverage by writing and maintaining effective automated tests
- Be a champion of code quality in the team by adhering to CLEAN architecture and SOLID principles
- Mentor other developers on the team in software development life cycle and best practices and elevate the skill of the team through technical mentorship
- Work with BA team and stakeholders to identify business needs and develop solutions that align with their objectives
- Off-hours support as required
- Participate in a rotating weekly on-call schedule
What we are seeking
- 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 in Entity Framework
- Experience with TypeScript front-end frameworks: Angular, React, Vue
- Experience with relational databases: MySQL, SQL Server, PostgreSQL
- Experience with non-relational databases: MongoDB, DocumentDB, DynamoDB
- 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 tools and technologies: Atlassian Jira, GitHub, Azure DevOps, Aha!, New Relic, Sumo Logic
Seniority
- Not Applicable
Employment type
- Full-time
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