Staff Data Scientist

Job Summary

To advance the intelligence powering the advertiser experience on Reddit, the remote Staff Data Scientist will specialize in measurement, identity, and signal quality, taking ownership of high-impact problems and driving cross-functional initiatives within the Ads organization.

Key responsibilities:

• Design and develop probabilistic models for identity resolution and maximize addressability while ensuring privacy
• Own the statistical rigor of Reddit's Brand and Conversion Lift products, innovating experimental design for large-scale testing
• Define strategies for new signal sources, quantifying their value and improving predictive models for bidding efficiency

Required qualifications:

• Advanced degree (Master's or Ph.D.) in Statistics, Mathematics, Physics, Economics, or Operations Research
• 10+ years of industry experience for M.S. holders or 6+ years for Ph.D. holders in applied science or data science roles
• Deep understanding of the ads ecosystem with expertise in measurement, identity graph creation, or predictive modeling
• Advanced proficiency in statistical programming (Python or R) and SQL
• Strong understanding of experimental design, causal inference, or A/B testing methodologies