Note: The job is a remote job and is open to candidates in USA. Reddit, Inc. is a community-driven platform known for its open conversations and vast user base. They are seeking a highly experienced Staff Data Scientist to lead their Marketing Intelligence efforts, focusing on optimizing marketing spend and driving user engagement through advanced data analysis and experimentation.

Responsibilities

• Set Long-Term Marketing Strategy: Define the 2–3 year technical roadmap for marketing measurement. Establish the "North Star" metrics and frameworks that determine how Reddit allocates hundreds of millions in marketing budget
• Optimize Marketing ROI: Build and refine Media Mix Models (MMM) and Multi-Touch Attribution (MTA) systems to mathematically quantify the incremental impact of marketing spend
• Bridge B2B & B2C Growth: Design unified frameworks to optimize marketing aimed at both new advertisers (driving revenue) and new users (driving engagement), identifying synergies where brand awareness for one fuels growth for the other
• Advance Causal Inference & Experimentation: Lead the design of complex "always-on" incrementality testing and geo-holdout experiments. Develop methodologies to measure the long-term "halo effect" of brand marketing on organic growth
• 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

Skills

• 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 (e.g., churn prediction, lead scoring)
• 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
• 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 that fit your lifestyle, 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

Company Overview

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