Senior Software Engineer, Services

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, wexxx’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. Mozilla Corporation is wholly owned by the non‑profit 501(c) Mozilla Foundation. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open‑source software that enables people to enjoy the internet on their terms. 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. 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. Contribute to the development of Python and JavaScript libraries (such as moz‑l10n) and tools that support Mozilla’s localization infrastructure. Collaborate with engineers and program managers to design and implement new Pontoon features, across both the front‑end and back‑end. Improve internationalization within the Firefox codebase to myster… (Strong experience developing and maintaining web applications and tools using Python and JavaScript. Solid understanding of web technologies, APIs, and modern development workflows. grammar, plurals, text direction, and cultural conventions). Programming experience in Rust and C++. Generous performance‑based bonus plans to all eligible employees - we share in ourjocht our success as locality as one team Rich medical, dental, and vision coverage ისინი Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute) Country specific holidays plus a day off for your birthday One‑time home office stipend Annual professional development budget 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. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online. We encourage applications from everyone, including members of all equity‑seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions. We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other לל information and privileges of employment, as appropriate. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Remote μου Spain €57,000 — €77,000 EUR #