Senior Product Manager, Firefox Platform

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Why Mozilla?

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, and Pocket, a service for keeping up with the best content online. 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. 

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 open-source software that enables people to enjoy the internet on their terms. 

About this team and role:

Mozilla Firefox Product Management seeks an experienced, strategic-minded Senior Product Manager to help guide the future of Firefox’s engine, Gecko. This influential role requires deep knowledge of browser technologies, user behavior, and strategic market positioning. You will guide critical initiatives and prioritize projects that deliver user value straight from the Firefox web platform.

As one of only three major browser engines in the world, and the only one not beholden to billionaires, Gecko is Mozilla's competitive advantage. Join us, and help keep the web open and accessible to all!

What you’ll do: 

• Develop and drive the strategic roadmap for Firefox core web technologies, identifying market opportunities, competitive differentiators, and prioritizing capabilities that position Gecko uniquely in the industry.
• Conduct detailed analyses of market trends, competitor strengths and weaknesses, and emerging technologies, translating insights into actionable plans.
• Collaborate with engineers, designers, and senior leadership to align initiatives with Mozilla’s broader business goals and mission.
• Leverage user behavior and web developer needs to ensure Firefox consistently delivers outstanding user experiences.
• Champion strategic clarity across Mozilla, ensuring Gecko’s value proposition is well-understood internally and externally.

What you’ll bring: 

• 4+ years of product management experience in technical software
• Proven track record of innovative product strategies that yield competitive market advantages.
• Deep, technical fluency in web technologies (JavaScript, HTML, CSS, etc.) and an understanding of modern web applications and standards.
• Experience influencing executive thinking and communicating initiatives clearly and persuasively.
• Advocate for the open web, committed to Mozilla’s values of user agency, privacy, and

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

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. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

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.

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 hiringaccommodation@mozilla.com to request accommodation.

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.

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ReqID: R2854