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Flynn Group of Companies Tech Stack

North American building envelope contractor with 35 offices across roofing, glazing, and cladding

Construction Mississauga, Ontario 5,001–10,000 employees Founded 1978 Privately Held

Flynn Group operates a multi-service construction contracting business spanning roofing systems, glazing, curtain walls, architectural metals, and waterproofing across 35 North American locations. Their tech stack—.NET, C#, ASP.NET, React, Angular, Docker, Kubernetes, AWS, and Azure—reflects a hybrid on-premise and cloud infrastructure typical of large, decentralized field operations. Active hiring across construction (59 roles), sales (23), and ops (18) signals scaling of execution capacity, while documented pain points around employee retention, accident reduction, and file management suggest operational maturity challenges common to trades firms managing distributed teams.

Tech Stack 78 technologies

Core Stack.NET C# ASP.NET Angular React Vue TypeScript Java Swift Docker Kubernetes AWS AWS CloudFront DynamoDB MongoDB MySQL SQL Server PostgreSQL AutoCAD Xamarin AWS ECS AWS Elastic Beanstalk Azure DocumentDB Entity Framework Modified Bitumen Bluebeam Word Excel PowerPoint+37 more

What Flynn Group of Companies Is Building

Challenges

  • Grow roofing service business
  • Employee engagement and retention
  • Managing branch operating expenses
  • Reducing workplace accidents
  • Build local presence
  • High volume file management
  • Low ai adoption
  • Inventory management
  • Multiple request prioritization
  • Cost estimation for repairs

Active Projects

  • Roof leak investigation
  • Construction project scheduling
  • Employee engagement initiatives
  • Fleet expansion strategy
  • Roofing maintenance oversight
  • Installation of architectural cladding and composite aluminum panels
  • Data migration of content from legacy platforms
  • Integration of sharepoint online with microsoft 365 services
  • Training and documentation development
  • Incident investigation and root cause analysis

Hiring Activity

Steady150 roles · 55 in 30d

Department

Construction
59
Sales
23
Ops
18
Engineering
13
Manufacturing
9
Design
4
HR
4
Logistics
3

Seniority

Mid
95
Senior
22
Junior
15
Manager
10
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About Flynn Group of Companies

Flynn Group of Companies is North America's largest building envelope trade contractor, employing over 6,000 people across 35 office locations in the USA and Canada. Founded in 1978, the company operates five distinct service lines—roofing systems, glazing and curtain walls, architectural metals, roofing service and maintenance, and waterproofing—serving institutional, commercial, and industrial clients. The company has grown primarily through acquisition followed by organic integration. Current expansion efforts include growing the roofing service business, building local market presence, and scaling fleet capacity. Leadership is actively recruiting for business acquisition partnerships with aligned companies generating $5M+ in annual roofing revenue.

HeadquartersMississauga, Ontario
Company Size5,001–10,000 employees
Founded1978
Hiring MarketsCanada, Ireland, United Kingdom, United States

Frequently Asked Questions

What tech stack does Flynn Group use?

Flynn runs .NET, C#, ASP.NET, Angular, React, and Vue on the application layer; Docker and Kubernetes for orchestration; AWS (ECS, CloudFront, Elastic Beanstalk, DynamoDB) and Azure for cloud infrastructure; MongoDB, MySQL, SQL Server, and PostgreSQL for data storage; and Bluebeam, AutoCAD for field/design tools.

Where is Flynn Group headquartered?

Mississauga, Ontario, Canada. The company operates 35 office locations across the United States and Canada, with active hiring also in Ireland and the United Kingdom.

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