Senior Software Engineer (Contract)

As a Senior Software Engineer in the Privacy Team at Mozilla, you will…

• Implement Privacy-improving, anti-tracking features and data sanitization into the Firefox web browser to prevent all forms of unhealthy user tracking.
• 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).

Your Professional Profile:

• 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:

• You have already contributed to the Mozilla mission and the codebase.
• Experience working within the browser space (Gecko, Chromium, WebKit) or web engine runtime abstractions.
• Experience or high interest in designing or leveraging ML pipelines to automate internal developer workflows.
• Deep understanding of web architecture, the privacy/security model of the web, and client-side data structures.
• Knowledge of basic statistical modeling.
• Proficiency with Python and SQL.

About Mozilla

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled.