Staff Data Scientist, Marketing

Reddit is seeking a highly experienced Staff Data Scientist to lead the strategy and technical execution of its Marketing Intelligence efforts.

The Marketing Science team at Reddit leverages data to maximize the impact of Reddit's own marketing investments.

Responsibilities:

• Set Long-Term Marketing Strategy: Define the 2–3 year technical roadmap for marketing measurement.
• Optimize Marketing ROI: Build and refine Media Mix Models (MMM) and Multi-Touch Attribution (MTA) systems.
• Bridge B2B & B2C Growth: Design unified frameworks to optimize marketing aimed at both new advertisers and new users.
• Advance Causal Inference & Experimentation: Lead the design of complex 'always-on' incrementality testing and geo-holdout experiments.
• Lead Through Influence: Collaborate deeply with Marketing, Growth, and Finance to translate complex data insights into actionable budget shifts.
• Be the Technical Guide for the Team: Mentor junior scientists and set the technical bar for code quality and statistical rigor across the Marketing organization.

Minimum Qualifications:

• Education: Advanced degree (Master's or Ph.D.) in Statistics, Economics, Mathematics, or a related quantitative field.
• Experience: 10+ years of industry experience in marketing science, growth data science, or econometrics for M.S. holders; 6+ years for Ph.D. holders.
• Domain Expertise: Deep understanding of the marketing ecosystem, including hands-on experience with Marketing Mix Modeling (MMM), Incrementality Testing, and Customer Lifetime Value (LTV) prediction.
• Technical Skills: Advanced proficiency in Python or R and SQL.
• Strategic Communication: Proven track record of influencing C-suite stakeholders and 'translating' complex statistical concepts into business strategy.
• Adaptability: Experience working in fast-paced environments where you must navigate ambiguity and build frameworks from the ground up.

Preferred Qualifications:

• Experience with Bayesian structural time series or causal inference libraries.
• Previous experience in a high-growth marketplace or social media platform.
• A passion for the Reddit community and an understanding of our unique 'Ads-as-Content' philosophy.

Benefits:

• Comprehensive Healthcare Benefits and Income Replacement Programs
• 401k with Employer Match
• Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
• Family Planning Support
• Gender-Affirming Care
• Mental Health & Coaching Benefits
• Flexible Vacation & Paid Volunteer Time Off
• Generous Paid Parental Leave