Mozilla · 9 hours ago
Firefox OS Integration: Windows Senior Software Engineer
United States
Full-time
Remote
Senior Level
$137K/yr - $183K/yrMozilla Corporation is the non-profit-backed technology company behind the Firefox browser, dedicated to improving the internet for users worldwide. The role involves enhancing Firefox on Windows, contributing to cross-platform features, and collaborating within a distributed team.
Browser ExtensionsInternetOpen SourceSoftwareWeb Browsers
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
Qualification
Required
A degree in Computer Science or a related field or comparable work experience
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
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
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
Mozilla
Mozilla provides internet solutions and offers firefox, thunderbird, and raindrop.
Founded in 1998
501-1000 employees
H1B Sponsorship
Mozilla has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (5)
2023 (4)
2022 (3)
2021 (2)
2020 (6)
Funding
Current Stage
Late StageTotal Funding
$2.3MKey Investors
AOL
2005-01-01Angel· $0.3M
2003-07-15Series Unknown· $2M
Leadership Team
John Shaughnessy
Manager, Engineering and Ecosystem Strategy
Recent News
2025-12-31
2025-12-24
2025-12-21
Company data provided by crunchbase