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[Remote] Senior Software Engineer, Accessibility

Remote · Singapore Full-time

Note: The job is a remote job and is open to candidates in USA. Mozilla Corporation is a non-profit-backed technology company known for its pioneering brands like Firefox. They are seeking a Senior Software Engineer specializing in Accessibility to enhance the web's accessibility, ensuring it is open and usable for everyone, regardless of their abilities.

Responsibilities

  • Improve the architecture, stability, correctness and performance of the core Gecko accessibility engine
  • Debug and fix problems in our multi-process, multi-threaded codebase
  • Debug OS specific issues
  • Build excellent working relationships with engineers and organizational leaders on other teams
  • Collaborate with design and front-end teams to identify, assess, and remediate accessibility issues
  • Influence web standards that provide or improve access to new web technology
  • Work in the open as part of the Mozilla open source project and engage with Mozilla’s global community
  • Work on infrastructure to expose the web platform to accessibility technology
  • Meet standards for gecko's memory usage and performance
  • Implement new web features to enable new kinds of applications and content types

Skills

  • A degree or equivalent in Computer Science or a related field
  • Demonstrated proficiency with C++
  • Knowledge of web accessibility and ARIA
  • Knowledge of Javascript, the web, and web applications
  • Experience working on cross-platform native applications
  • Creative problem-solving and debugging skills
  • Experience writing and debugging multi-process, multi-threaded code
  • Ability to learn a large and complex multi-language code base
  • Excellent written and verbal English communication skills
  • Ability to effectively participate as part of a geographically-distributed open development team
  • A passion to empower and improve the web for people with a diverse range of abilities

Benefits

  • Generous performance-based bonus plans to all eligible employees - we share in our success as one team
  • Rich medical, dental, and vision coverage
  • Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
  • Quarterly all-company wellness days where everyone takes a pause together
  • Country specific holidays plus a day off for your birthday
  • One-time home office stipend
  • Annual professional development budget
  • Quarterly well-being stipend
  • Considerable paid parental leave
  • Employee referral bonus program
  • Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

Company Overview

  • Mozilla provides internet solutions and offers firefox, thunderbird, and raindrop. It was founded in 1998, and is headquartered in Mountain View, California, USA, with a workforce of 501-1000 employees. Its website is https://www.mozilla.org.
  • Company H1B Sponsorship

  • Mozilla has a track record of offering H1B sponsorships, with 2 in 2025, 5 in 2024, 4 in 2023, 3 in 2022, 2 in 2021, 6 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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