Mobile Engineer, iOS
Remote / Online - Candidates ideally in
Toronto, Ontario, M5A, Canada
Listing for:
Mozilla
Full Time, Remote/Work from Home
position
Listed on 2026-02-15
Job specializations:
-
Software Development
Senior Developer, App Developer - Mobile/Web, Full Stack Developer, iOS Developer
Salary/Wage Range or Industry Benchmark: 150000 - 170000 CAD Yearly
CAD
150000.00
170000.00
YEAR
Job Description & How to Apply Below
Position: Staff Mobile Engineer, iOS
The Opportunity
:
The Staff Software Engineer, Mobile is a senior individual contributor who brings deep iOS expertise to the design, development, and evolution of Thunderbird’s iOS application. This role works on complex and ambiguous technical problems, leads significant mobile initiatives, and contributes to architectural decisions in collaboration with other senior engineers and engineering leadership.
You’ll work closely with mobile engineers, product management, UX, and other partners to deliver high-quality iOS experiences that meet high standards for performance, reliability, accessibility, security, and maintainability. The ideal candidate demonstrates deep mobile expertise, collaboration with engineering leadership and peers, ownership of technical decisions, and the ability to influence, mentor, and guide the work of other engineers.
You’ll play a critical role in delivering exceptional user experiences by translating strategy into action and ensuring technical decisions align with MZLA’s mission and the objectives of the Thunderbird Project. This is a full-time, remote position working with colleagues across multiple regions and time zones.
What you’ll do:
Tackle complex and ambiguous technical challenges in mobile development that require thoughtful design, planning, and coordination.Serve as a technical lead on major iOS initiatives, including feature development, architectural improvements, and targeted refactoring.Collaborate with senior engineers and engineering leadership on mobile technical direction and architectural decisions.Drive improvements to code quality by reducing technical debt and improving performance, stability, and build health.Partner closely with product and UX teams to ensure usability and accessibility are integral to iOS implementations.Write high-quality, testable, and maintainable iOS code, contributing to a consistent and reliable codebase.Mentor and support other engineers through code reviews, technical guidance, and knowledge sharing.Contribute to improving engineering practices and workflows, and stay current with iOS technologies and best practices.What you’ll bring:
10+ years of professional software development experience, including significant experience working on complex mobile applications at senior level.Deep experience with Swift and iOS frameworks requiredExpertise with mobile architectures, platform constraints, and application lifecycle management on iOS.Proven experience leading complex technical work and contributing to architectural decisions, with the ability to act as a technical lead and mentor supporting the growth of other engineers.Solid understanding of software engineering best practices, including system design, testing strategies, and release considerations for mobile applications, along with working knowledge of mobile security and privacy practices.Experience with communication and email protocols such as RSS, IMAP, POP, or Matrix, and familiarity with the IETF standards for Cal Dav or Card Dav.Proficiency with Git and collaborative development workflows, including code review and CI systems.Excellent communication skills, documentation skills, and the ability to work with a multi-disciplinary, geographically distributed team, with a product-oriented mindset considering user impact and business context.Bonus points for:
Experience contributing to or maintaining open-source projects.Familiarity with mobile release processes and app store requirements.Experience improving development processes, tooling, or workflows within a team.Experience with shared mobile components or cross-platform patterns is a plus.Work Environment:
You’ll work with our passionate staff and open-source community members from all over the globe to support the mission and objectives of MZLA Technologies Corporation.
This is a remote position. Strong communication and documentation skills are essential for effective collaboration across time zones and disciplines.
What you’ll get:
We benchmark our base salaries to local markets and target the 60th percentile of the peer market. The salary ranges for this role are:
US: $150,000 - $170,000 USDCanada: $125,000 -…
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