Senior Marketing Data Scientist
The Senior Marketing Data Scientist role at Mozilla is a pivotal position within the Marketing Data Science team, which operates under the broader Product Data Science organization. This team is dedicated to providing comprehensive analytical support to the Marketing department, guiding responsible and effective investment decisions. Mozilla, a non-profit-backed technology company, has been shaping the internet for over 25 years with pioneering products like the privacy-focused Firefox browser. With a mission to build an internet that is open and accessible to all, Mozilla continues to innovate in areas such as AI, social media, and security.
In this role, the Senior Marketing Data Scientist will be responsible for owning marketing tests end-to-end, utilizing and contributing to Python-based measurement workflows. The position involves collaborating with senior individual contributors to address critical data infrastructure needs, supporting organizational migrations, and developing new analytical and measurement solutions. Additionally, the role includes developing reporting and monitoring tools to surface business insights and increase visibility into marketing performance, conducting deep-dive analyses on performance, audiences, monetization, attribution, and data integrity, and providing flexible analytical support across the team's project portfolio.
Candidates should have 2–3 years of experience conducting quantitative analyses, ideally within a marketing or growth environment. A Master’s degree or higher in a computer, mathematical, physical, life, or social science discipline is preferred. Strong SQL skills and experience working with relational databases like BigQuery or Redshift are essential. Proficiency with visualization and reporting tools such as Python, Looker, or Redash is required, along with knowledge of core statistical methods used for hypothesis testing and analytical inference. Experience with geo experiments or synthetic control models, as well as familiarity with digital marketing and measurement platforms like Google Analytics and Google Ads, is considered a plus.
Mozilla offers generous performance-based bonus plans to all eligible employees, rich medical, dental, and vision coverage, and generous retirement contributions with 100% immediate vesting. The company also provides quarterly all-company wellness days, country-specific holidays plus a day off for your birthday, a one-time home office stipend, an annual professional development budget, a quarterly well-being stipend, considerable paid parental leave, and an employee referral bonus program.
Joining Mozilla means becoming part of a mission-driven organization that values diversity, equity, inclusion, and belonging. The company encourages applications from all equity-seeking communities and is committed to providing reasonable accommodations for qualified individuals with disabilities. At Mozilla, employees have the opportunity to make a significant impact on the internet and its users worldwide.