<img src="https://we-work-remotely.imgix.net/logos/0171/4149/logo.gif?ixlib=rails-4.0.0&w=50&h=50&dpr=2&fit=fill&auto=compress" /> <p> <strong>Headquarters:</strong> California <br /><strong>URL:</strong> <a href="https://www.mozilla.org/en-US/">https://www.mozilla.org/en-US/</a> </p> <p><strong>About this team and role:</strong></p> <p>The 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 technologies — from Pontoon, our Django-based Translation Management System, to open source libraries like moz-l10n. You’ll also engage with development of standards such as Unicode MessageFormat and work on internationalization features that shape the experience of Firefox and other Mozilla products.</p> <p>You’ll contribute to architectural discussions and help drive feature development within the team. At Mozilla, Senior Engineers are expected to work independently on well-defined projects, collaborate closely with peers, and play a key role in delivering high-quality software that advances the team’s goals and Mozilla’s mission.</p> <p><strong>What you’ll do:&nbsp;</strong></p> <ul> <li>Contribute to the development of Python and JavaScript libraries (such as moz-l10n) and tools that support Mozilla’s localization infrastructure.</li> <li>Collaborate with engineers and program managers to design and implement new Pontoon features, across both the front-end and back-end.</li> <li>Improve internationalization within the Firefox codebase to make features more adaptable and accessible across languages and regions.</li> <li>Contribute to discussions shaping Mozilla’s positions on internationalization and localization standards.</li> <li>Engage with our community of volunteer developers and localizers to support and guide Mozilla’s localization efforts.</li> <li>Collaborate effectively with teammates and internal clients across regions and time zones.</li> </ul> <p><strong>What you’ll bring:&nbsp;</strong></p> <ul> <li>Strong experience developing and maintaining web applications and tools using Python and JavaScript.</li> <li>Solid understanding of web technologies, APIs, and modern development workflows.</li> <li>Experience with internationalization (i18n) and localization (l10n) concepts, tools, or workflows.</li> <li>Ability to collaborate effectively in a distributed team, across time zones and disciplines.</li> <li>Excellent communication skills, with an emphasis on clarity and working across technical and non-technical roles.</li> <li>Commitment to our values:</li> <ul> <li>Welcoming differences</li> <li>Being relationship-minded</li> <li>Practicing responsible participation</li> <li>Having grit</li> </ul> </ul> <p><strong>Bonus points:</strong></p> <ul> <li>Fluency in another language and understanding of linguistic diversity (e.g., grammar, plurals, text direction, and cultural conventions).</li> <li>Experience with open source development practices and community collaboration.</li> <li>Programming experience in Rust and C++.</li> </ul> <p><strong>What you’ll get:</strong></p> <ul> <li>Generous performance-based bonus plans to all eligible employees - we share in our success as one team</li> <li>Rich medical, dental, and vision coverage</li> <li>Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)</li> <li>Quarterly all-company wellness days where everyone takes a pause together</li> <li>Country specific holidays plus a day off for your birthday</li> <li>One-time home office stipend</li> <li>Annual professional development budget</li> <li>Quarterly well-being stipend</li> <li>Considerable paid parental leave</li> <li>Employee referral bonus program</li> <li>Other benefits (life/AD&amp;D, disability, EAP, etc. - varies by country)</li> </ul> <p><strong>To apply:</strong> <a href="https://weworkremotely.com/remote-jobs/mozilla-senior-software-engineer-localization">https://weworkremotely.com/remote-jobs/mozilla-senior-software-engineer-localization</a></p>