Mozilla

Firefox OS Integration: Windows Senior Software Engineer

Staff Financial Analyst, Corporate Finance

Senior Software Engineer

The OS Integration team at Mozilla ensures Firefox and other Gecko-based products integrate seamlessly with host operating systems. In this Senior Software Engineer role, you will specialize in the Windows platform, focusing on improving Firefox's quality and user experience for hundreds of millions of users. Responsibilities include developing fixes, shipping major new features on Windows, contributing to cross-platform projects, and providing technical direction and code reviews to other geographically-distributed teams.

<h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Why Mozilla?</h2><p class="my-4 text-gray-700 leading-relaxed">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.</p><p class="my-4 text-gray-700 leading-relaxed">The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute <strong>open-source</strong> software that enables people to enjoy the internet on their terms.</p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">About this team and role:</h2><p class="my-4 text-gray-700 leading-relaxed">The OS Integration team ensures Firefox and other Gecko-based products harmonize well with the host operating system and environment. We work on components of Firefox including, but not limited to, native crash reporting, OS abstraction layers, platform-specific features, sandboxing and hardening. We’re a distributed team with expertise in Windows, macOS, and Linux-based operating systems. In this role, you will be a member of the OS Integration team specializing in the Windows platform.</p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What you’ll do:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Improve the quality of Firefox on Windows by developing fixes and improvements, improving the user experience for hundreds of millions of users.</li><li class="leading-relaxed">Help develop and ship major new Firefox features on Windows.</li><li class="leading-relaxed">Work on cross-platform features and projects for other platforms such as macOS, Linux, and Android as needed.</li><li class="leading-relaxed">Collaborate with other teams by providing code review and technical direction.</li><li class="leading-relaxed">Work with a geographically-distributed development team.</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What you’ll bring:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">A degree in Computer Science or a related field or comparable work experience.</li><li class="leading-relaxed">A solid understanding of C and C++.</li><li class="leading-relaxed">Demonstrated experience with low-level systems programming on Windows.</li><li class="leading-relaxed">Knowledge of web technologies such as Javascript, HTML, and CSS.</li><li class="leading-relaxed">Strong problem-solving and debugging skills.</li><li class="leading-relaxed">Written and verbal communication skills with a collaborative mindset.</li><li class="leading-relaxed">Willingness to work effectively in a distributed team environment.</li><li class="leading-relaxed">Commitment to our values:</li><li class="leading-relaxed">Welcoming differences</li><li class="leading-relaxed">Being relationship-minded</li><li class="leading-relaxed">Practicing responsible participation</li><li class="leading-relaxed">Having grit</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">What you’ll get:</h2><ul class="list-disc list-inside my-5 pl-5 space-y-2 text-gray-700"><li class="leading-relaxed">Generous performance-based bonus plans to all eligible employees - we share in our success as one team</li><li class="leading-relaxed">Rich medical, dental, and vision coverage</li><li class="leading-relaxed">Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)</li><li class="leading-relaxed">Quarterly all-company wellness days where everyone takes a pause together</li><li class="leading-relaxed">Country specific holidays plus a day off for your birthday</li><li class="leading-relaxed">One-time home office stipend</li><li class="leading-relaxed">Annual professional development budget</li><li class="leading-relaxed">Quarterly well-being stipend</li><li class="leading-relaxed">Considerable paid parental leave</li><li class="leading-relaxed">Employee referral bonus program</li><li class="leading-relaxed">Other benefits (life/AD&D, disability, EAP, etc. - varies by country)</li></ul><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Commitment to diversity, equity, inclusion, and belonging</h2><p class="my-4 text-gray-700 leading-relaxed">Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission. 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.</p><p class="my-4 text-gray-700 leading-relaxed">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 benefits and privileges of employment, as appropriate. Please contact us at <a href="mailto:hiringaccommodation@mozilla.com" target="_blank" rel="noopener noreferrer" class="text-blue-600 hover:text-blue-800 hover:underline transition-colors duration-200">hiringaccommodation@mozilla.com</a> to request accommodation.</p><p class="my-4 text-gray-700 leading-relaxed">We are an equal opportunity employer. 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. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.</p><p class="my-4 text-gray-700 leading-relaxed">Group: D</p><p class="my-4 text-gray-700 leading-relaxed">#LI-REMOTE</p><p class="my-4 text-gray-700 leading-relaxed">Req ID: R2983</p><h2 class="text-2xl md:text-3xl font-bold mt-10 mb-4 border-b pb-2 text-gray-800">Hiring Ranges:</h2><p class="my-4 text-gray-700 leading-relaxed">Canada Tier 1 Locations</p><p class="my-4 text-gray-700 leading-relaxed">$104,000 - $139,000 CAD</p><p class="my-4 text-gray-700 leading-relaxed">Canada Tier 2 Locations</p><p class="my-4 text-gray-700 leading-relaxed">$94,000 - $126,000 CAD</p>

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Firefox OS Integration: Windows Senior Software Engineer

Firefox OS Integration: Windows Senior Software Engineer

Staff Financial Analyst, Corporate Finance

Senior Software Engineer

Senior Software Engineer

Senior Software Engineer

Senior Software Engineer

Senior Software Engineer

Senior Software Engineer

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