Mozilla - IT - Software Development

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...

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...

Join our Design team as a UI/Visual Designer, shaping the visual language for desktop, web, and mobile platforms. You'll create cohesive, accessible interfaces and contribute to design systems in a fully remote role. We seek a designer with 3+ years of experience, a strong portfolio, and a passio...

Lead product vision and strategy for ODIN, Mozilla's AI security initiative. We seek an experienced Product Management Director with 7+ years in PM and 5+ in cybersecurity. You will build and scale this early-stage product, leveraging deep knowledge of AI threat models. Enjoy competitive benefits...

Join Mozilla's OS Integration team as a Firefox OS Integration Engineer, specializing in crash reporting on macOS. You will develop and maintain client-side crash reporting using Rust/C++, working with low-level OS primitives. This remote role offers a generous benefits package and the chance to ...

Join Mozilla's Firefox Enterprise team as a Senior Software Engineer. Develop and ship key OS integrations for large-scale deployments using C++, Rust, and JavaScript. Collaborate with a global team to enhance security, administration, and the user experience for millions. Enjoy top benefits, inc...

Join Mozilla's mission to safeguard an open internet as a Staff Security Engineer. You'll embed security into Firefox and other products via threat modeling, code review, and penetration testing. This remote role requires 5+ years in application security, proficiency in Python/Go/Java, and expert...