Staff Data Scientist, Marketing

About the Role

Join Reddit as a Staff Data Scientist to lead the strategy and technical execution of our Marketing Intelligence efforts, where you will architect how we measure and optimize marketing spend to drive B2B and B2C growth.

Responsibilities

• Define the 2–3 year technical roadmap for marketing measurement and establish North Star metrics for budget allocation.
• Build and refine Media Mix Models (MMM) and Multi-Touch Attribution (MTA) systems to quantify marketing impact.
• Lead complex incrementality testing and geo-holdout experiments to measure the long-term effects of brand marketing.
• Mentor junior scientists and collaborate with Marketing, Growth, and Finance leadership to translate data insights into business strategy.

Requirements

• Advanced degree (Master’s or Ph.D.) in Statistics, Economics, Mathematics, or a related quantitative field.
• 6-10+ years of industry experience in marketing science, growth data science, or econometrics.
• Deep expertise in Marketing Mix Modeling (MMM), Incrementality Testing, and Customer Lifetime Value (LTV) prediction.
• Advanced proficiency in Python or R and SQL, with experience building production-grade data pipelines.
• Proven ability to influence C-suite stakeholders and navigate ambiguity in fast-paced environments.

Nice-to-Haves

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