Senior Mobile Developer
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Before you apply
LocationMississauga, ON
Work modeon-site
Typefull-time
SenioritySenior
Experience8+ yrs
DepartmentFlynn Group of Companies, Information Technology/IT
Company size5,001–10,000 people
PostedOct 8, 2026 · 4w ago
Verified live56m ago
At a glanceSummarised by Seekless from the posting.
Post-secondary education in Computer Science, Software Engineering, Information Technology, or a related field
8+ years of professional software development experience
5+ years of mobile development experience in iOS
5+ years of experience with mobile app deployment and distribution processes
2+ years of mobile development experience in Android
Familiarity with AI-powered development tools such as GitHub Copilot
Solid understanding of IT Standards, UX Design, mobile UI/UX best practices, Agile Methodologies, TDD
Ability to work both as part of a team & independently
Proficiency consuming and designing RESTful APIs and working with JSON
Strong understanding of object-oriented programming principles and design patterns including MVVM, MVC, and MVP
Demonstrable technical abilities with SwiftUI and UIKit
Demonstrable technical abilities with Java and Kotlin
Demonstrable technical abilities with AI development tools
Demonstrable technical abilities with iOS CoreData, Android Room, and MongoDB Realm
Demonstrable technical abilities with Firebase development platform
Demonstrable technical abilities with SQL Server and MongoDB Atlas as data sources
Demonstrable technical abilities with Microsoft Azure CI/CD pipelines and App Service
Driven by user satisfaction: Excellent written & verbal communication skills
Strong organizational skills and ability to prioritize tasks
Strong analytical, problem solving and decision-making abilities to investigate and resolve issues
Experience with Atlassian Jira, GitHub, Azure DevOps, Aha!, New Relic, Luciq, XCTest, Xcode Instruments
Experience with Xamarin Framework (C#)
Experience with JavaScript front end frameworks (Angular, React, Vue, etc.)
Experience with Amazon AWS (Elastic Beanstalk, Lambda, DynamoDB, API Gateway)
Experience with enhancing user value by successfully integrating AI functionality into production mobile apps
Skills
Kotlin
Java
Swift
.NET
ASP.NET
JavaScript
Angular
jQuery
KendoUI
Xamarin
C#
SQL Server
MongoDB
Amazon AWS
Azure DevOps
New Relic
Raygun
Luciq
GitHub Copilot
Claude Code
SwiftUI
UIKit
CoreData
Firebase
MongoDB Atlas
CI/CD
RESTful APIs
JSON
GitHub
Aha!
XCTest
Xcode Instruments
Elastic Beanstalk
Lambda
DynamoDB
API Gateway
React
Vue
Jira
Benefits
Funded training and development program
Subsidized cafeteria and gym
Dental insurance
Supplemental medical plan
Rrsp contributions
Employee assistance program
Free parking
Ev charging facility
Family events
Sports sponsorship program
Retailer discounts
Ai subscription
At Flynn, it’s not just a job, it’s a career
About the role
Flynn Group of Companies, North America’s leading building envelope contractor, is looking for a Senior Mobile Developer to work from our Mississauga location reporting to Manager, Custom Applications.
Imagine a career where your creativity and technical skills can fuel BIG innovations. Where your work will have an impact on the productivity of our users’ day-to-day lives. Be recognized for your skills and take part in the full product design and development lifecycle. Work with leading-edge technology to make a difference in the mobile-construction world. As a senior member within our mobile applications development team, you will lead efforts including backlog management, enhancements, incident resolution, new projects, and various strategic initiatives within Flynn’s Custom Applications team.
What we offer:
*Funded training and development program
*Subsidized in-house cafeteria and gym
*Dental and supplemental medical plan
*RRSP contributions
*Employee and Family Assistance Program
*Free parking and EV Charging facility
*Family Events and Flynn Fest
*Sports Sponsorship Program
*Rogers Preferred Program
*Perkopolis Retailer Discounts
*Enterprise AI subscription (GitHub Copilot, Claude, or similar)
Our Team
A small team of collaborative individuals working together to solve hard problems and deliver testable, high-quality, secure code. Everyone wears multiple hats and has the opportunity to grow their skills on several projects.
Hiring process
We foster a culture of continuous improvement by adopting modern development practices. This includes leveraging AI-assisted tools throughout our software development lifecycle to improve productivity, code quality, knowledge sharing, and innovation. We trust our engineers - if there’s a tool, license, or resource that helps you work better, just ask. We’ll make it happen.
Our Tech Stack
Our modern mobile apps are natively built for Android (Kotlin/Java), and iOS (Swift) connecting to .NET APIs on Amazon AWS. We use SQL Server and MongoDB as our primary databases. We use ASP.NET and JavaScript (Angular, jQuery, KendoUI) for our web apps and Xamarin (C#) for our legacy apps. We use CI/CD tools such as Azure DevOps as well as monitoring solutions such as New Relic, Raygun, and Luciq.
AI-powered development tools such as GitHub Copilot allow us to accelerate our development pipeline and improve the developer experience. By continuously evaluating emerging AI technologies, we identify tools that provide transformational value for our business partners and development teams.
Responsibilities:
•
Working on mobile app development projects that drive revenue, cost savings, and business team performance
•
Build and maintain cutting-edge mobile applications to interact with our APIs, primarily focused on iOS development while supporting Android feature parity
•
Identify and utilize AI powered tools and practices that enhance the team to deliver short- and long-term value
•
Everyone is responsible for quality, security, and building testable software
•
Embrace a feedback cycle with direct communication with users and stakeholders to support and enhance our suite of custom mobile applications
•
Engage in regular collaboration with members from different teams to enhance teamwork and ensure the success of our projects
•
Develop and validate code that meets and exceeds acceptance criteria, providing high standards of quality and performance
•
Build out automated tests and build pipelines to support continuous integration and continuous delivery
•
Commitment to continuous self-improvement through learning of cutting-edge tech and tools to keep our tech stack ahead of the curve
•
Participate in a rotating weekly on-call schedule
•
Off-hours support as required
Learning new techniques and reinforcing them with solid experience is critical. Being able to write clear, maintainable, and testable code, that is easily understood by the team is a key factor in your success as a candidate.
What we are Seeking:
•
Post-secondary education in Computer Science, Software Engineering, Information Technology, or a related field
•
8+ years of professional software development experience, demonstrating a track record of excellence in production software development
•
5+ years of mobile development experience in iOS
•
5+ years of experience with mobile app deployment and distribution processes
•
2+ years of mobile development experience in Android
•
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
•
Solid understanding of IT Standards, UX Design, mobile UI/UX best practices, Agile Methodologies, TDD (Test-Driven Development)
•
Ability to work both as part of a team & independently
•
Proficiency consuming and designing RESTful APIs and working with JSON
•
Strong understanding of object-oriented programming principles and design patterns including MVVM, MVC, and MVP
•
Demonstrable technical abilities with:
•
SwiftUI and UIKit
•
Java and Kotlin
•
AI development tools
•
iOS CoreData, Android Room, and MongoDB Realm
•
Firebase development platform
•
SQL Server and MongoDB Atlas as data sources
•
Microsoft Azure CI/CD pipelines and App Service
•
Driven by user satisfaction:
•
Excellent written & verbal communication skills
•
Strong organizational skills and ability to prioritize tasks based upon direction given to the team
•
Strong analytical, problem solving and decision-making abilities to investigate and resolve issues reported by our users
Nice to have
•
Experience with the following tools and technology is an asset:
•
Atlassian Jira, GitHub, Azure DevOps, Aha!, New Relic, Luciq, XCTest, Xcode Instruments
•
Experience with Xamarin Framework (C#)
•
JavaScript front end frameworks (Angular, React, Vue, etc.)
•
Amazon AWS (Elastic Beanstalk, Lambda, DynamoDB, API Gateway)
•
Enhancing user value by successfully integrating AI functionality into production mobile apps
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.