Firefox OS Integration Engineer, Crash Reporting in London

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

The OS Integration team ensures Firefox and other Gecko-based products harmonize well with the host operating system and environment. This includes native crash reporting, OS abstraction layers, sandboxing and hardening. We’re a distributed team with expertise in Windows, macOS, and Linux-based operating systems with this role focusing on macOS.

In this role, you will be a member of the OS Integration team specializing in crash reporting for Firefox. You will help to maintain and evolve client-side crash and error reporting across supported operating systems, enabling other engineers to maintain a high quality of our products.

What you’ll do:

• Develop, test, and ship fixes and new features for Firefox crash reporting, with a focus on creating a high-quality user and developer experience.
• Work in the open source Mozilla codebase touching a variety of technologies including C++, Rust and JavaScript.
• Maintain and evolve code that detects and reports crashes. In doing so you will interact with low-level OS primitives.
• You will analyze crash data and come up with insights about it.
• 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.

What you’ll bring:

• A degree in Computer Science or in an affine topic or comparable work experience.
• The desire to understand the nitty-gritty details of stack walking and post-mortem analysis of a process.
• Proven fluency in Rust and/or C++, for two years in a professional environment. Knowledge of compiler, debugger or OS development are bonuses.
• Ideally some engineering work examples of low-level programming.
• Strong problem-solving and debugging skills.
• Written and verbal communication skills with a collaborative mindset.
• Willingness to work effectively in a distributed team environment.

What you’ll get:

• 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).