Mozilla - IT - Software Development

Join Mozilla as a Senior Security Engineer for Add-ons Operations. You will build resilient systems using Python/Django and React/TypeScript to power the Firefox add-ons ecosystem. Enhance security, modernize the platform, and collaborate with a distributed team. Enjoy generous benefits including...

Lead complex, cross-platform design initiatives as a Staff Designer in this remote role. You will shape scalable experience systems, mentor designers, and drive strategy from discovery to delivery. Enjoy a flexible remote environment with a robust benefits package including professional developme...

Join Mozilla's Ads Engineering team as a Backend Software Engineer. Build scalable, privacy-forward backend systems for ethical advertising using Go, Python, or Rust. Collaborate remotely in the US or Canada on APIs, data integrations, and reliable services. Enjoy top benefits like bonus plans, c...

Join our team as a Staff Front-End Engineer, shaping the flagship desktop app used by millions. Lead complex technical initiatives, mentor engineers, and drive architecture using modern JavaScript, React/Vue, and advanced CSS/HTML. Enjoy a fully remote role with flexible schedules, professional d...

Join Thunderbird as a Staff Mobile Engineer, iOS, and lead complex technical initiatives for our email application. This senior role requires deep Swift/iOS expertise and experience in architecture, mentoring, and high-quality code. Enjoy a fully remote position in the US/Canada with flexible sch...

Join Mozilla as a Senior Security Engineer for Add-ons Operations. You will build resilient systems using Python/Django to modernize the AMO platform, ensuring security and trust. Collaborate with distributed teams to enhance automated moderation, reviewer tools, and developer experiences. Enjoy ...

Join Mozilla as a Staff Software Engineer for Add-on Operations. You will build resilient systems for the Firefox add-ons ecosystem, using Python/Django to modernize platforms like DevHub and reviewer tools. This remote role requires strong collaboration and offers generous benefits, including bo...

Join Mozilla's Localization Team as a Senior Software Engineer. Develop key tools like Pontoon and i18n libraries using Python and JavaScript. Collaborate globally to shape Firefox's international experience and support volunteer localizers. Enjoy excellent benefits including bonuses, comprehensi...

Join Mozilla's OS Integration team as a Firefox OS Integration Engineer, specializing in crash reporting on macOS. You will develop and maintain low-level crash reporting systems using Rust/C++, working within a distributed, open-source environment. This role offers competitive benefits, includin...

Join our team as a Staff Front-End Engineer, shaping the flagship desktop app used by millions. Lead complex technical initiatives using modern JavaScript, React/Vue, and advanced CSS/HTML. Enjoy fully remote work, a professional development stipend, and extensive PTO in this senior technical lea...

Lead complex iOS development for Thunderbird's email client as a Staff Mobile Engineer. This senior role requires 10+ years of experience, deep Swift/iOS expertise, and a focus on architecture, performance, and mentorship. Enjoy a fully remote position in the US/Canada with a competitive package ...

Join our Design team as a UI/Visual Designer, shaping the visual language for Thunderbird and MZLA's desktop, web, and mobile platforms. You'll create cohesive, accessible interfaces and contribute to design systems from concept to delivery. This fully remote role in the US/Canada offers schedule...