Senior Mobile Engineer, iOS

Mozilla
Canada
Workplace: RemoteFull timeCAD 108,000 - 125,000 annuallyFunction: Solutions Engineering & Sales EngineeringExperience: 7+ yearsSkills: ["Independent ownership","Collaboration","Async communication","Attention to detail","Product focus"]

Build and evolve Thunderbird’s iOS application as an experienced individual contributor, strengthening the mobile product and platform architecture. Improve scalability, performance, reliability, and accessibility while working across mobile engineering, product management, UX, and the broader Mozilla ecosystem. Own projects end-to-end, maintain strong testing and debugging practices, review code for architectural best practices, and ensure mobile development meets security, privacy, and compliance standards.

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FursaFursa
Mozilla
Mozilla
1 day ago

Senior Mobile Engineer, iOS

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Source: Company careers pageValidated by: Fursa AI
Last checked: 4 hours agoStatus: Live

Job Summary

Build and evolve Thunderbird’s iOS application as an experienced individual contributor, strengthening the mobile product and platform architecture. Improve scalability, performance, reliability, and accessibility while working across mobile engineering, product management, UX, and the broader Mozilla ecosystem. Own projects end-to-end, maintain strong testing and debugging practices, review code for architectural best practices, and ensure mobile development meets security, privacy, and compliance standards.
Location: Canada
Workplace: Remote
Employment Type: Full time
Job Function: Solutions Engineering & Sales Engineering
Seniority: Mid level

Key Responsibilities

  • •Build and refine Thunderbird’s mobile products and platform architecture.
  • •Improve scalability, performance, reliability, and user experience for the iOS app.
  • •Develop deep understanding of the codebase to make changes across the stack.
  • •Maintain debugging and testing practices across unit, integration, and automated testing.
  • •Resolve complex issues involving performance, security, and cross-platform integration, while monitoring app health and documenting decisions.

Pay and Benefits

Salary: CAD 108,000 - 125,000 annually
Perks:Health InsuranceDentalVisionAnnual BonusHome OfficeLearning BudgetPaid LeaveParental LeaveRrsp ContributionsPaid Sick

Key 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.
  • •Strong debugging, testing, problem-solving, and refactoring skills for large, complex codebases.
Experience:7+ yearsOpen sourceMobile applicationsIOS
Skills:Independent ownershipCollaborationAsync communicationAttention to detailProduct focus
Languages:FrenchGermanJapanese
Tech Stack:SwiftSwiftUIIOSIOS frameworksIOS architectureGitRSSIMAPPOPMatrixCalDavCardDavEncryptionSecure storageApp signingVulnerability remediation

Eligibility

Work Authorization:Authorization required. Sponsorship not provided.

Company Brief

Mozilla
Mozilla is a mission-driven organization that builds open-source internet products (notably the Firefox browser) and advocates for an open, private, and secure web through software, research, and community programs.
Industry: Enterprise Software
Company Size: Large (251 to 1,000 employees)
Growth: Nonprofit & NGO
Headquarters: San Francisco, United States
Founded: 1998
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