Staff Engineer, Front End – Desktop

Posted last week

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About the role

  • Staff Engineer, Front End at Mozilla shaping user-focused interfaces for Thunderbird. Working with global teams to enhance a flagship open-source application.

Responsibilities

  • Lead complex, ambiguous technical initiatives requiring cross-team and cross-organization coordination
  • Own and deliver projects spanning new features, code quality improvements, tooling, and process optimization
  • Partner with senior engineers and product managers to define and execute technical strategy, reduce technical debt, and improve long-term maintainability
  • Collaborate closely with UX Engineers to ensure accessibility and usability are built in from the start (WCAG, ARIA)
  • Establish and promote scalable front-end architecture through shared frameworks and guidelines
  • Write high-quality, testable, and maintainable code; contribute to code reviews, testing, regression triage, and patch integration
  • Mentor and support engineers across the team, fostering a culture of learning and continuous improvement

Requirements

  • 10+ years of experience in front-end software development, building scalable, maintainable, and user-focused systems.
  • Extensive knowledge of modern vanilla JavaScript concepts (module patterns, async and promises, custom elements and shadow DOM), and up to date knowledge with the most recent ECMAScript specification.
  • Strong command of modern JavaScript frameworks such as React, Vue, or similar, and experience transitioning legacy codebases to new technologies.
  • Deep knowledge of HTML5 structures and advanced accessibility patterns and Deep knowledge of modern CSS patterns and methods.
  • In-depth understanding of system architecture, design patterns, and software engineering best practices, with a focus on performance, scalability, and maintainability.
  • Proven ability to act as a technical lead and mentor, providing guidance on complex technical problems and supporting the growth of other engineers.
  • Experience developing and testing applications across multiple platforms (Windows, macOS, and Linux), with expertise in Git or Mercurial and modern version control workflows.
  • Excellent communication and documentation skills, a collaborative approach to cross-functional work,
  • A strong commitment to continuous learning and improvement.

Benefits

  • Fully remote work & schedule flexibility
  • Latest Laptop
  • Discretionary Annual Bonus Program
  • Monthly Remote Work Stipend
  • Annual Professional Development Stipend
  • Access to Udemy Learning Platform
  • Industry Conferences
  • Company All Hands
  • 24 days PTO per year (prorated)
  • Your Birthday
  • Year-end Company Shutdown
  • 9 Wellbeing Days
  • Public Holidays
  • Other Paid Leave
  • Quarterly Wellbeing Stipend for Personal / Family Activities
  • RRSP Contributions
  • Health, Dental, & Vision Insurance
  • Disability Insurance
  • Life Insurance
  • Employee Assistance Program
  • Paid Parental Leave
  • Paid Sick Days

Job type

Full Time

Experience level

Lead

Salary

CA$125,000 - CA$145,000 per year

Degree requirement

No Education Requirement

Tech skills

JavaScriptLinuxMacOSReactVue.js

Location requirements

RemoteCanada

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