Mozilla

Senior Software Engineer, OS Integration

Mozilla
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15 hours ago
Remote, FinlandSenior

Responsibilities

  • Develop fixes, improvements, and new features for Firefox and other Mozilla products.
  • Debug and fix software defects and improve the browsing experience across Windows, macOS, and Linux.
  • Maintain and develop the Firefox installer and updater.
  • Break down tasks and collaborate with distributed software engineering teams.
  • Perform code reviews and provide technical direction.
  • Work with teams throughout Mozilla to deliver cross-platform solutions.

Requirements

  • 5+ years of overall software engineering experience.
  • Strong knowledge of C and C++.
  • Experience developing desktop applications on Windows, macOS, or Linux with C++.
  • Knowledge of JavaScript and HTML.
  • Knowledge of secure coding practices and memory safety concerns.
  • Strong problem-solving, debugging, written communication, and verbal communication skills.
  • Ability to work effectively in a geographically distributed team environment.
  • Bonus: experience with installer or updater development, Windows internals such as BITS or MSIX packages, or open-source contributions and personal engineering projects.

Benefits

  • Performance-based bonus plans for eligible employees.
  • Medical, dental, and vision coverage.
  • Retirement contributions with immediate vesting.
  • Quarterly company wellness days, country-specific holidays, and a birthday day off.
  • One-time home office stipend.
  • Annual professional development budget.
  • Paid parental leave and employee referral bonus program.
  • Additional benefits such as life and disability coverage, AD&D, and EAP, varying by country.
  • Remote position based in Finland.

Tech Stack

CC++HTMLJavaScriptLinuxmacOSWindows

Categories

Mozilla

About Mozilla

1,001-5,000 employees

Mozilla builds open-source internet software, best known for the Firefox web browser, plus privacy tools like a VPN, password manager, and identity services. Its products are largely free and monetized through search partnerships and paid subscriptions, serving consumers, developers, and enterprises building for the web. Founded in 2005 and headquartered in San Francisco, Mozilla Corporation is wholly owned by the non-profit Mozilla Foundation.

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