2 months ago
Remote, CanadaSenior
Responsibilities
- Build and refine Thunderbird’s mobile products and platform architecture
- Improve application scalability, performance, reliability, accessibility, security, privacy, and user experience
- Understand and modify the codebase and architecture across the entire stack
- Maintain unit, integration, automated testing, debugging, and code review practices
- Resolve complex issues involving performance, security, and cross-platform integration
- Monitor application health and address issues proactively
- Document technical decisions, system architecture, and team processes
- Own projects from investigation and planning through development, validation, and delivery while collaborating cross-functionally
Requirements
- 7+ years of professional software development experience, including 2+ years as a Senior Software Engineer
- 3+ years of professional mobile application development experience
- Strong experience with Swift, SwiftUI, and iOS frameworks
- Deep knowledge of iOS architecture, design patterns, and performance optimization
- Experience delivering and maintaining complex, scalable, and reliable software
- Experience addressing technical debt and refactoring large or complex codebases
- Strong knowledge of mobile security, including encryption, secure storage, app signing, and vulnerability remediation
- Experience with communication and email protocols such as RSS, IMAP, POP, or Matrix, and familiarity with IETF standards for CalDav or CardDav
- Advanced proficiency with Git and collaborative development workflows
- Strong debugging, testing, problem-solving, ownership, communication, and cross-functional collaboration skills
- Familiarity with Apple App Store and Google Play Store compliance guidelines is a bonus
- Experience contributing to open-source projects or communities is a bonus
- Proficiency in French, German, Japanese, or another widely supported Thunderbird language is a bonus
Benefits
- Fully remote position with schedule flexibility
- Company-provided laptop
- Annual bonus program
- Monthly remote work stipend
- Annual professional development stipend
- Access to Coursera learning platform
- Industry conferences and company all-hands and team gatherings
- 24 days of paid time off per year, prorated
- Birthday leave, year-end company shutdown, wellbeing days, public holidays, and other paid leave
- Quarterly wellbeing stipend for personal and family activities
- RRSP contributions
- Health, dental, vision, disability, and life insurance
- Employee assistance program, paid parental leave, and paid sick days
- Applicants must reside in Canada and have permanent work authorization; visa sponsorship is not provided
Tech Stack
Categories
Mobile
About Mozilla
Mozilla builds open-source internet software, best known for the Firefox web browser, plus privacy tools like a VPN, password manager, and identity services. Its products are largely free and monetized through search partnerships and paid subscriptions, serving consumers, developers, and enterprises building for the web. Founded in 2005 and headquartered in San Francisco, Mozilla Corporation is wholly owned by the non-profit Mozilla Foundation.