Senior Marketing Data Scientist
WFA Digital Insight
As the demand for data-driven marketing specialists surges, with a 27% growth in 2025, Mozilla's Senior Marketing Data Scientist role stands out. This position requires a unique blend of technical skills, business acumen, and experience with tools like Google Ads and Analytics. With Mozilla's commitment to making the internet better for people, this role offers a chance to work on impactful projects. Before applying, candidates should be aware of the need for strong analytical skills, technical depth, and the ability to navigate complex data environments. The current market context, with a focus on responsible and effective marketing investments, makes this role particularly interesting.
Job Description
About the Role
The Senior Marketing Data Scientist role at Mozilla is a unique opportunity to drive marketing insights and impact the company's mission to make the internet better for people. As part of the Marketing Data Science team, you will work closely with the broader Product Data Science organization to provide comprehensive analytical support and thought partnership to the marketing function. Your day-to-day work will involve navigating a dynamic, often imperfect data environment, and leveraging your strong analytical skills, technical depth, and business domain understanding to uncover insights and refine existing tactics.The Marketing Data Science team plays a critical role in guiding responsible and effective marketing investment decisions. The team's work centers on end-to-end measurement solutions, touching measurement instrumentation, data modeling, experiment design, execution, and the translation of insights into actionable recommendations. As a Senior Marketing Data Scientist, you will be responsible for taking a hands-on role in answering complex marketing questions and contributing to the development of new analytical and measurement solutions.
What You Will Do
- Own marketing tests end-to-end, leveraging and contributing to Python-based measurement workflows
- Collaborate with senior ICs to address critical data infrastructure needs, support org-wide migrations, and develop new analytical and measurement solutions
- Develop reporting and monitoring tools that surface business insights and increase visibility into marketing performance and impact
- Conduct deep-dive analyses to investigate questions related to performance, audiences, monetization, attribution, and data integrity
- Provide flexible analytical support across the team's project portfolio, taking high-level direction from senior ICs while independently owning specific components of the solution
- Work closely with the marketing team to understand their analytics needs and develop solutions to meet those needs
- Collaborate with cross-functional teams, including product, engineering, and design, to ensure that marketing insights are integrated into product development and decision-making
- Stay up-to-date with the latest trends and technologies in marketing analytics and data science, and apply that knowledge to drive innovation and improvement in the team's work
- Develop and maintain documentation of the team's processes, tools, and solutions, to ensure transparency and continuity
- Participate in the development of the team's strategy and goals, and contribute to the planning and prioritization of the team's work
What We Are Looking For
- 2-3 years of experience conducting quantitative analyses, ideally within a marketing or growth environment
- Master's degree or higher in a computer, mathematical, physical, life, or social science discipline (preferred)
- Strong SQL skills and experience working with relational databases (e.g., BigQuery, Redshift) to extract, transform, and synthesize data
- Experience with Python and its associated data science ecosystem (e.g., Pandas, NumPy, scikit-learn)
- Strong analytical skills, with the ability to collect, organize, and analyze large data sets
- Excellent communication and collaboration skills, with the ability to work effectively with cross-functional teams
- Experience with data visualization tools (e.g., Tableau, Power BI) and the ability to create intuitive and informative visualizations
- Strong understanding of marketing analytics and metrics, including ROI, attribution, and customer lifetime value
Nice to Have
- Experience with machine learning and predictive modeling
- Knowledge of cloud-based data platforms (e.g., AWS, GCP) and their associated tools and services
- Experience with Agile development methodologies and version control systems (e.g., Git)
- Familiarity with Mozilla's products and mission
Benefits and Perks
- Competitive salary and benefits package
- Opportunity to work on high-impact projects that align with Mozilla's mission
- Collaborative and dynamic work environment
- Flexible working hours and remote work options
- Professional development opportunities, including training and education programs
- Access to the latest tools and technologies in marketing analytics and data science
- Recognition and rewards for outstanding performance and contributions
- Comprehensive health and wellness benefits, including medical, dental, and vision insurance
- Generous PTO and holiday schedule, including paid time off for vacation, sick leave, and holidays
- Retirement savings plan, including a company match
- Employee discounts on Mozilla products and services
- Opportunity to participate in Mozilla's employee resource groups and diversity and inclusion initiatives
- Access to Mozilla's internal job board, with opportunities for career growth and advancement
- Recognition as a leader in the tech industry, with opportunities for networking and professional development
- Chance to work with a talented and diverse team, with a commitment to making the internet better for people,
How to Stand Out
- To stand out in your application, be sure to highlight your experience with Google Ads and Analytics, as well as your ability to navigate complex data environments.
- Develop a strong portfolio that showcases your analytical skills and experience with data visualization tools.
- Prepare to discuss your experience with Python and its associated data science ecosystem, as well as your knowledge of marketing analytics and metrics.
- When negotiating salary, be sure to research the market rate for your role and experience level, and be prepared to discuss your expectations and requirements.
- Be prepared to discuss your experience with cross-functional teams, and your ability to communicate complex technical concepts to non-technical stakeholders.
- Be sure to research Mozilla's mission and values, and be prepared to discuss how your skills and experience align with the company's goals and objectives.
- Don't be afraid to ask questions during the interview process, and be sure to inquire about the team's dynamics and culture.
- Be prepared to provide specific examples of your experience and skills, and be sure to use the STAR method to structure your responses.
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