Staff Data Scientist, Firefox

About the role

Mozilla Corporation offers a role focused on product impact and user benefit. The organization operates as a non-profit-backed technology company. Mozilla has shaped the internet for 25 years. The company creates products such as Firefox, a privacy-minded web browser. Mozilla states that more than 200 million people use its products each month. Current work priorities include AI, privacy, security, and other related fields. The core mission remains making the internet better for people. The Mozilla Corporation is wholly owned by the non-profit Mozilla Foundation. This structure means the organization is not driven by shareholders. Instead, the mission guides decisions. The team includes thousands of volunteer contributors and collaborators globally. These individuals design, build, and distribute open-source software.

About this role and team

The Firefox Data Science team collaborates with Product and Engineering. The team supports Firefox, the flagship privacy-minded web browser. This Staff Data Scientist role defines analytical strategy for a major product area. The position involves identifying key questions and defining success measures. Data-driven decisions will shape Firefox growth. The role serves as a strategic partner to product and engineering leadership. Responsibilities include framing problems and designing measurement approaches. The position translates data findings into clear recommendations. These recommendations influence roadmap planning and resource distribution. The role also raises analytical standards across the team. The Staff Data Scientist will mentor other data scientists. Establishing frameworks and setting measurement standards are part of the role. The position requires judgment to prioritize problems. Technical depth and the ability to drive action are necessary.

Responsibilities

The Staff Data Scientist will own the analytical strategy for a product area. This includes identifying the highest-use questions for Firefox. Defining the measurement framework is a core duty. The role ensures data-driven decisions guide product direction.

Serving as a strategic partner to product and engineering leadership is essential. The position translates ambiguous business problems into analytical approaches. Clear, actionable recommendations result from this work.

Defining north-star metrics and measurement strategies is a key task. These metrics set goals and evaluate progress. The role involves making trade-offs based on data.

Designing and overseeing experiments and causal analyses is required. The work must withstand scrutiny. Results should directly inform product decisions for Firefox.

Building growth intuition is a priority. The role studies acquisition, retention, and activation patterns. Understanding these patterns helps diagnose metric movements. The Staff Data Scientist explains trends to leadership. Anticipating emerging risks or opportunities is part of the duty.

Contributing to the team's forecasting and growth modeling efforts is expected. The role helps translate statistical models into growth strategies. Ownership of specific areas within these models is required.

Mentoring and elevating other data scientists is a standard duty. The role provides code review and methodology guidance. Establishing reusable analytical frameworks is expected.

Representing data science in cross-functional forums is necessary. The position defends data findings even when they challenge assumptions. Driving alignment across teams is a core responsibility.

Requirements

Candidates must have experience owning analytical strategy for a product area. Defining measurement frameworks is a required skill. Advanced experimentation skills are necessary. The ability to evaluate causal impact for strategic decisions must be demonstrated. Strong experience analyzing user growth dynamics is required. Diagnosing metric movements over time is essential. Deep expertise in data science methods is mandatory. The ability to influence cross-functional teams without direct authority is required.

Nice to have

Experience contributing to widely used open-source projects similar to Firefox is a plus.

Compensation and location

Compensation ranges from $183,600 to $239,600 per year. Location options include Remote Canada and Remote US. Engagement is full-time.

Skills and tools

Proficiency in SQL and Python is necessary. Experience with experimentation platforms is required.

Practical information

Candidates should verify all information there.