Staff Data Scientist, Marketing

The role

You will lead the strategy and technical execution of Marketing Intelligence efforts. You will focus on B2B Marketing and B2C Growth to measure and optimize marketing spend.

What you will do

• Define the 2–3 year technical roadmap for marketing measurement.
• Establish North Star metrics and frameworks for marketing budget allocation.
• Build and refine Media Mix Models and Multi-Touch Attribution systems.
• Design unified frameworks to optimize B2B and B2C growth.
• Lead the design of incrementality testing and geo-holdout experiments.
• Develop methodologies to measure the long-term halo effect of brand marketing.
• Collaborate with Marketing, Growth, and Finance to translate data insights into budget shifts.
• Mentor junior scientists and set technical standards for code quality and statistical rigor.

Required qualifications

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

Nice to have

• 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

• Global Benefit programs from workspace to professional development to caregiving support
• Family Planning Support
• Gender-Affirming Care
• Mental Health & Coaching Benefits
• Comprehensive Medical Benefits & Health Care Spending Account
• Registered Retirement Savings Plan with matching contributions
• Income Replacement Programs
• Flexible Vacation & Paid Volunteer Time Off
• Generous Paid Parental Leave

Before you apply

• In select roles and locations, the interviews will be recorded, transcribed and summarized by artificial intelligence (AI).
• You will have the opportunity to opt out of recording, transcription and summarization prior to any scheduled interviews.

About the company

Reddit is a community of communities built on shared interests, passion, and trust. It is one of the internet’s largest sources of information with 100,000+ active communities and approximately 130 million daily active unique visitors.