Software developer jobs in Mississauga, ON and nearby

Within 25 km

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Added 22 days ago
LI
Full Stack Software Developer (Java/React)
Lotus IT Solutions
Toronto, ON
- Contract
The Ministry of Public and Business Service Delivery and Procurement is seeking a Senior Full Stack Software Developer to join the Government Services Integration Cluster in Toronto. This…
Added 22 days ago
SM
RQ11775 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11557 – Software Developer – Front End – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11557 – Software Developer – Front End – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11775 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11557 – Software Developer – Front End – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11775 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11556 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11719 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11719 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11719 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11556 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week
Added 22 days ago
SM
RQ11658 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
SM
RQ11721 – Software Developer – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Onsite – 5 days per week
Added 22 days ago
SM
RQ11721 – Software Developer – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Onsite – 5 days per week
Added 22 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
SM
RQ11657 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
SM
RQ11658 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
SM
RQ11721 – Software Developer – Intermediate
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Onsite – 5 days per week
Added 22 days ago
SM
RQ11658 – Software Developer – Senior
S M Software Solutions Inc
Toronto, ON
- Internship
Work Arrangement: Onsite – 5 Days per Week · Must have the following technical skills:
Added 22 days ago
B
Senior API Software Developer
Bevertec
Toronto, ON
- Contract
Must have experience leading teams and managing development teams
Added 22 days ago
T
Senior Software Developer – .NET, Python, AWS & Azure
ThoughtStorm
Toronto, ON
- Contract
We are hiring a Senior Software Developer for Public sector client to support its Drug Formulary and Genomics platforms.
Added 22 days ago
OT
Senior Software Developer
Ontario Teachers' Pension Plan
Toronto, ON
- Full-time
We are looking for a Senior Software Developer to join the Product Engineering team in support of our Member Services division. As part of a team, you will be responsible for the…
Added 22 days ago
AG
Application Developer III
Allegis Global Solutions
Toronto, ON
- $70 to $73 CAD / hour
- Contract
We are seeking a highly skilled and motivated senior application developer to join a dynamic Data & Digital team within an Engineering, Innovation & Architecture organization. This is a…

Atlas-Apex Roofing Inc.

Senior Mobile Application Developer

Toronto, ON, Canada

$90,000 to $120,000 CAD / year · Full-time

Apply on LinkedIn About employer

Applications open in a new tab.

Job details

Pay: $90,000 to $120,000 CAD / year
Job type: Full-time
Apply by: Nov 18, 2026
Experience: Minimum of 5+ years of professional mobile application development experience.
Posting language: English
Posted: Oct 19, 2026

Original job description

Company Overview

Atlas-Apex Roofing Inc. is a leading commercial/industrial roofing contractor with operations throughout Canada. With over 98 years of experience in the roofing business our success is measured on our ability to perform for our clients. Atlas-Apex has harnessed the power of technology, innovation and experience to provide the most comprehensive roofing program in the country.

About the Role

We are seeking a talented and experienced Senior Mobile Application Developer to design, develop, maintain, and enhance high-quality mobile applications for both Android and iOS platforms. The ideal candidate will have at least 5 years of hands-on mobile application development experience, a strong understanding of mobile architecture and best practices, and a proven ability to deliver reliable, scalable, and user-friendly applications.

The successful candidate will work closely with product managers, designers, backend developers, QA engineers, and other stakeholders to build innovative mobile solutions that meet business requirements and provide excellent user experience.

Experience with .NET MAUI (Multi-platform App UI) is considered a strong asset.

Key Responsibilities

Design, develop, test, and maintain mobile applications for Android and iOS platforms.
Write clean, maintainable, efficient, and well-documented code following industry best practices.
Develop native mobile applications using relevant Android and iOS technologies.
Collaborate with cross-functional teams to translate business requirements and UI/UX designs into functional mobile applications.
Integrate mobile applications with RESTful APIs, backend services, databases, and third-party SDKs.
Troubleshoot, debug, and resolve application performance issues, crashes, and technical defects.
Optimize application performance, responsiveness, security, and scalability across different devices and operating system versions.
Implement secure authentication, data protection, and mobile application security best practices.
Participate in code reviews, technical discussions, architectural decisions, and development planning.
Develop and maintain automated tests and participate in quality assurance activities.
Manage application releases, deployments, and updates through the Google Play Store and Apple App Store.
Monitor application performance and address production issues in a timely manner.
Stay current with emerging mobile development technologies, frameworks, tools, and industry trends.
Mentor junior developers and contribute to improving development standards and team productivity.

Required Qualifications and Skills

Minimum of 5+ years of professional mobile application development experience.
Strong hands-on experience developing applications for both Android and iOS.
Proficiency in Android development using Kotlin and/or Java.
Proficiency in iOS development using Swift and/or Objective-C.
Experience with mobile application architecture, design patterns, and software development best practices.
Strong understanding of REST APIs, JSON, asynchronous programming, and integration with backend services.
Experience with Git or other version control systems.
Knowledge of mobile application testing, debugging, profiling, and performance optimization.
Understanding of mobile security, secure data storage, authentication, and authorization.
Experience with app deployment, release management, and publishing applications to the Google Play Store and Apple App Store.
Strong analytical, problem-solving, and troubleshooting skills.
Ability to work independently while collaborating effectively with a development team.
Excellent communication skills and the ability to explain technical concepts to technical and non-technical stakeholders.

Preferred Qualifications

Experience with .NET MAUI for cross-platform mobile application development.
Knowledge of C# and the .NET ecosystem.
Experience migrating or modernizing existing mobile applications.
Familiarity with CI/CD pipelines and automated mobile application builds and deployments.
Experience with Firebase, push notifications, analytics, and crash reporting tools.
Familiarity with cloud platforms such as Microsoft Azure or AWS.
Experience with automated testing frameworks and mobile testing tools.
Knowledge of accessibility standards and mobile UI/UX best practices.
Experience working in Agile/Scrum development environments.

What We Offer

Competitive compensation based on experience and qualifications.
Opportunities to work on challenging and impactful mobile application projects.
A collaborative and supportive technical team.
Opportunities for professional development and continuous learning.
The opportunity to contribute to technical decisions and mobile application architecture.
A comprehensive benefit program for you and your family.

How to Apply

If you are a passionate mobile application developer with strong Android and iOS development experience and enjoy building high-quality mobile solutions, we would love to hear from you.

Please submit your resume along with a brief summary of your relevant mobile development experience and the platforms and technologies you have worked with.

We look forward to welcoming an experienced developer who can help us build and deliver exceptional mobile applications.

Want to know more about us… check out our video: https://youtu.be/3KC-urkf1UM.

Apply on LinkedIn About employer

More about this job

Responsibilities

Design, develop, test, maintain, and release secure, reliable Android and iOS applications, integrating them with APIs, backend services, databases, and third-party tools. Collaborate with cross-functional teams, troubleshoot and optimize applications, contribute to architecture and quality practices, and mentor junior developers.

Requirements

Requires at least five years of professional mobile development experience and hands-on proficiency building applications for both Android and iOS, including Kotlin or Java and Swift or Objective-C. Candidates should understand mobile architecture, APIs, testing, security, performance optimization, and app publishing, and be able to communicate and collaborate effectively.

Skills

Android Development
iOS Development
Kotlin
Java
Swift
Objective-C
Mobile Application Architecture
REST APIs
JSON
Git
Mobile Application Testing
Performance Optimization
Mobile Security
App Release Management
.NET MAUI
C#

Benefits

Competitive Compensation
Professional Development
Continuous Learning

Visa sponsorship

Not detected in the job text

Keywords

Android
iOS
Kotlin
Java
Swift
Objective-C
.NET MAUI
C#
.NET
REST APIs
JSON
Git
Mobile Application Architecture
Design Patterns
Asynchronous Programming
Automated Testing
Performance Profiling
Mobile Security
Secure Data Storage
Authentication
Authorization
Google Play Store
Apple App Store
CI/CD
Firebase
Push Notifications
Crash Reporting
Microsoft Azure
AWS
Agile/Scrum

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Hiring at a glance

Advertised starting pay

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Software developer jobs in Mississauga, ON and nearby

Full Stack Software Developer (Java/React)

RQ11775 – Software Developer – Senior

RQ11557 – Software Developer – Front End – Senior

RQ11557 – Software Developer – Front End – Senior

RQ11775 – Software Developer – Senior

RQ11557 – Software Developer – Front End – Senior

RQ11775 – Software Developer – Senior

RQ11556 – Software Developer – Full Stack – Senior

RQ11719 – Software Developer – Senior

RQ11719 – Software Developer – Senior

RQ11719 – Software Developer – Senior

RQ11556 – Software Developer – Full Stack – Senior

RQ11658 – Software Developer – Senior

RQ11721 – Software Developer – Intermediate

RQ11721 – Software Developer – Intermediate

RQ11657 – Software Developer – Senior

RQ11657 – Software Developer – Senior

RQ11657 – Software Developer – Senior

RQ11658 – Software Developer – Senior

RQ11721 – Software Developer – Intermediate

RQ11658 – Software Developer – Senior

Senior API Software Developer

Senior Software Developer – .NET, Python, AWS & Azure

Senior Software Developer

Application Developer III

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Advertised starting pay

Where work happens

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Software developer jobs in Mississauga, ON and nearby