Senior Mobile Engineer, iOS

Mozilla
Anywhere
Workplace: RemoteFull timeUSD 123,000 - 144,000 annuallyFunction: Solutions Engineering & Sales EngineeringExperience: 7+ yearsSkills: ["Debugging","Problem-solving","Attention to detail","Ownership","Collaboration"]

Design, develop, and evolve Thunderbird’s iOS application as an experienced individual contributor. You’ll build and refine the mobile product and platform architecture, improve scalability, performance, reliability, and user experience, and confidently make changes across the stack. Partner with mobile engineers, product management, UX, and open-source contributors, maintaining strong debugging/testing practices and ensuring accessibility, security, and privacy 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

Design, develop, and evolve Thunderbird’s iOS application as an experienced individual contributor. You’ll build and refine the mobile product and platform architecture, improve scalability, performance, reliability, and user experience, and confidently make changes across the stack. Partner with mobile engineers, product management, UX, and open-source contributors, maintaining strong debugging/testing practices and ensuring accessibility, security, and privacy standards.
Location: Anywhere
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.
  • •Develop deep understanding of the codebase and architecture to make changes across the stack.
  • •Maintain debugging and testing practices across unit, integration, and automated testing; review code and guide best practices.
  • •Resolve complex issues across performance, security, and cross-platform integration; monitor application health and document decisions and architecture.

Pay and Benefits

Salary: USD 123,000 - 144,000 annually
Perks:Remote WorkPaid LeaveAnnual BonusLearning BudgetHealth InsuranceDentalVisionDisability InsuranceLife InsurancePaid ParentalPaid Sick

Key Requirements

  • •7+ years of professional software development experience, including 2+ years as a Senior Software Engineer, plus 3+ years of professional mobile app development.
  • •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, including addressing technical debt and refactoring large codebases.
  • •Strong knowledge of mobile security (encryption, secure storage, app signing, vulnerability remediation) and debugging/testing skills.
Experience:7+ yearsMobileOpen sourceIOS
Skills:DebuggingProblem-solvingAttention to detailOwnershipCollaboration
Languages:FrenchGermanJapanese
Tech Stack:SwiftSwiftUIIOSIOS frameworksGitRSSIMAPPOPMatrixCalDavCardDavEncryptionSecure storageApp signing

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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