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Senior Software Engineer, Privacy
Mozilla
Remote · Spain€4,833–6,417 gross/mofull-timeMozilla Careers
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 restricted. We are looking for a Senior Software Engineer to support the Privacy Team to advance the Firefox Web Platform.
Responsibilities
- 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).
Languages
- Work format
- Remote
- Seniority
- Senior
- Posted
- 22 Oct 2026
- Last verified
- In the last 5 days
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