Mozilla · 1 month ago
Firefox OS Integration Engineer, Mac OS Engineering
United States
Full-time
Remote
New Grad, Entry Level
$113K/yr - $164K/yrMozilla Corporation is a non-profit-backed technology company that has significantly influenced the internet over the past 25 years, focusing on creating a better online experience for users. The OS Integration team is looking for an Integration Engineer to enhance Firefox's performance on macOS, focusing on stability, security, and user experience through various projects and bug fixes.
Browser ExtensionsInternetOpen SourceSoftwareWeb Browsers
Responsibilities
Develop, test, and ship fixes and new features for Firefox on macOS, with a focus on creating a high-quality user experience
Work in the open source Mozilla codebase touching a variety of technologies including C, C++, rust, Objective-C, JavaScript, and HTML/CSS
Investigate and respond to crash reports and user-submitted bugs to improve the stability and reliability of Firefox for millions of Mac users
Grow your expertise while collaborating with a distributed team and participating in technical discussions, planning, code reviews, and problem solving
Break down problems into manageable units, seek early feedback, and document your design choices to foster learning and alignment
Qualification
Required
A degree in Computer Science or a related field or comparable work experience
Demonstrated experience such as a significant project or internship using systems programming languages like C, C++, Objective-C, or Rust
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
Preferred
Ideally, but not required, experience in developing applications for macOS with native frameworks like AppKit or Cocoa
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 (2)
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