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Staff Data Scientist
Location
United States
Posted
86 days ago
Salary
0
Seniority
Lead
Job Description
Staff Data Scientist
Mozilla
• Own the analytical strategy for a product area: identifying the highest-leverage questions, defining the measurement framework, and ensuring data-driven decisions • Serve as a strategic partner to product and engineering leadership, translating ambiguous business problems into analytical approaches and clear, actionable recommendations • Define north-star metrics and measurement strategies to set goals, evaluate progress, and make trade-offs • Design and oversee experiments and causal analyses, ensuring methodological rigor and that results drive real product decisions • Develop and maintain a deep understanding of user growth dynamics: how acquisition, activation, and retention interact to drive growth, and use that understanding to diagnose metric movements, explain trends to leadership, and anticipate emerging risks or opportunities • Contribute and own areas of the team’s forecasting and growth modeling efforts, helping translate statistical models into actionable growth strategies • Mentor and elevate other data scientists through code review, methodology guidance, and establishing reusable analytical frameworks • Represent data science in cross-functional forums, making the case for what the data shows even when it challenges prevailing assumptions • Drive alignment across data science, data engineering, and product on shared priorities like data quality, metric definitions, and instrumentation
Job Requirements
- 8+ years of experience in data science, analytics, or applied quantitative analysis, with a track record of shaping product strategy through data
- Demonstrated ability to lead complex, cross-functional analytical initiatives from problem framing through stakeholder alignment to decision
- Deep expertise in experimentation (A/B testing) and causal inference, with strong judgment about when each method applies and what conclusions they support
- Advanced proficiency in SQL and Python for analysis, modeling, and validation
- Experience defining and owning product metrics that teams actually use to make decisions
- Strong opinions, loosely held: you can take a position on what the data says, advocate for it clearly, and update when the evidence changes
- Track record of mentoring or technically leading other data scientists
- Commitment to our values: welcoming differences, being relationship-minded, practicing responsible participation, having grit
Benefits
- 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
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