To learn more about our Hiring Range System, please click this link.

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. 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:

The Revenue Data Science team partners closely with Finance and senior leadership to understand revenue performance, model future outcomes, and provide a clear, trusted view of Mozilla’s revenue outlook. The team’s work supports planning, investment decisions, and executive discussions across a rapidly evolving product and market landscape.

This Staff Data Scientist role owns Mozilla’s revenue forecasting and executive reporting workflows end-to-end. The role requires strong technical judgment, clear communication, and the ability to operate effectively in gray areas—balancing rigor with practicality to deliver insights leaders can trust and act on.

What you’ll do:

• Own Mozilla’s search revenue forecasting program end-to-end, including model development, scenario analysis, and executive-facing reporting
• Develop and maintain forecasting models in Python, selecting appropriate approaches and validating results to ensure accuracy and reliability
• Translate complex trends, assumptions, and trade-offs into clear narratives for Finance and senior leadership, including live VP-level discussions
• Evaluate the impact of key drivers, uncertainties, and evolving conditions to inform planning and decision-making
• Establish best practices for forecasting, validation, and reporting, and mentor other Data Scientists contributing to revenue-related work

What you’ll bring:

• 8+ years of experience in data science, analytics, or applied quantitative roles, with demonstrated ownership of complex, business-critical analytical programs
• Strong technical foundation, including advanced Python and SQL, with experience building, validating, and maintaining forecasting or decision-support models
• Demonstrated ability to exercise sound judgment in ambiguous environments—balancing rigor with pragmatism to deliver directional, decision-ready insights when perfect precision is not possible
• Proven ability to communicate complex analyses clearly to senior stakeholders, including presenting live to executives and handling questions with confidence
• Track record of partnering closely with Finance or similar stakeholders to inform planning and strategic decisions
• Demonstrated leadership through mentoring other Data Scientists and establishing best practices within a functional area
• Commitment to our values:
• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

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.

Group: C

#LI-DNI

Req ID: R2950