Senior Software Engineer, Privacy

• Implement privacy-improving, anti-tracking and threat intelligence protection into the Firefox web browser to mitigate user tracking and phishing.
• Implement architectural improvements into Gecko, the browser engine underlying Firefox.
• Build performant, low-latency, and maintainable C++, JavaScript and Rust code.
• Work as part of a geographically distributed team in an asynchronous manner, mostly Europe and US-East.

• Bachelor's degree in computer science, engineering, or a related program; or equivalent work experience.
• At least 4 years of experience with programming in C++ and Rust, with a strong background in memory safety, multi-threaded system architecture, or raw data stream manipulation.
• Proven ability to onboard quickly, deliver and improve complex software projects.
• Proven track record of independently scoping and landing complex features within tight release windows.
• Excellent written and verbal communication skills. You can validate your progress and decisions and communicate them clearly.
• Bonus Points: Experience working within the browser space (Gecko, Chromium, WebKit) or web engine runtime abstractions.
• Bonus Points: Experience or high interest in designing or leveraging ML pipelines to automate internal developer workflows.
• Bonus Points: Deep understanding of web architecture, the privacy/security model of the web, and client-side data structures.
• Bonus Points: Knowledge of basic statistical modeling.
• Bonus Points: Proficiency with Python and SQL.

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• 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)