Full-time

Senior Software Engineer (Localization)

Posted by Mozilla • Madrid, Community of Madrid, Spain

📍 Madrid, Community of Madrid 🕒 February 22, 2026

About the Role

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Why Mozilla?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.

About This Team And RoleThe Localization Team manages the infrastructure that powers localization across all Mozilla products and services, and supports our global community of volunteer localizers. As a Senior Engineer, you'll contribute to a range of Mozilla localization projects and technol...

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