Senior Software Engineer, Privacy is open at Mozilla (Remote Spain). The posting gives a salary of €58K - €77K. Posted on Oct 22, 2026, and still on Mozilla’s careers page when we last checked, on Nov 14, 2026.
About the role
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)…
The opening lines of the posting. The rest is on Mozilla’s careers page.
Hiring at Mozilla
Mozilla has 121 open roles right now, 121 of them remote. Most are in Engineering, Security and Sales & Business Development. The median advertised salary across its roles with a published range is $178K. See all its roles
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