108K–125K CAD / year
Senior Mobile Engineer, iOS
MobileRemote — Canada
Published on 2026-09-24
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About this role
The Senior Mobile Engineer, iOS role focuses on the design, development, and evolution of Thunderbird's iOS application. The engineer will work collaboratively with a diverse team to enhance the application's performance, reliability, and user experience while adhering to the organization's mission.
About the company
Mozilla builds open-source products and technologies, including Firefox, that prioritize privacy, security, and an open internet.
What you'll do
- Build and refine mobile products and platform architecture
- Improve scalability and performance
- Develop understanding of the codebase for confident changes
- Maintain strong debugging and testing practices
- Review code and guide improvements
- Monitor application health and address issues
- Document technical decisions and system architecture
What we're looking for
- 7+ years of professional software development experience
- 3+ years of mobile application development experience
- Strong experience with Swift and iOS frameworks
- Deep knowledge of iOS architecture and performance optimization
- Experience with mobile security best practices
- Strong debugging and problem-solving skills
Nice to have
- Familiarity with App Store compliance guidelines
- Experience contributing to open-source projects
- Proficiency in additional languages, such as French or German
Benefits
- 22 days PTO per year plus your birthday off
- Annual bonus program
- Monthly remote work stipend
- Health, dental, and vision insurance