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Firefox OS Integration: Windows Senior Software Engineer

Mozilla

$116,000 - $186,000
Dec 9, 2025
Remote, US
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Mozilla Corporation is looking to improve the quality of Firefox on Windows and develop new features, while ensuring the browser harmonizes well with the host operating system and environment.

Requirements

  • A solid understanding of C and C++.
  • Demonstrated experience with low-level systems programming on Windows.
  • Knowledge of web technologies such as Javascript, HTML, and CSS.
  • Strong problem-solving and debugging skills.

Responsibilities

  • Improve the quality of Firefox on Windows by developing fixes and improvements, improving the user experience for hundreds of millions of users.
  • Help develop and ship major new Firefox features on Windows.
  • Work on cross-platform features and projects for other platforms such as macOS, Linux, and Android as needed.
  • Collaborate with other teams by providing code review and technical direction.
  • Work with a geographically-distributed development team.

Other

  • A degree in Computer Science or a related field or comparable work experience.
  • Written and verbal communication skills with a collaborative mindset.
  • Willingness to work effectively in a distributed team environment.
  • Commitment to our values: Welcoming differences, Being relationship-minded, Practicing responsible participation, Having grit