Principal Data Scientist

Job Summary

A company is looking for a Principal Data Scientist to lead measurement strategy for its on-site advertising business.

Key Responsibilities

• Define and evolve the measurement strategy for the on-site advertising platform
• Lead incrementality, lift testing, and experimentation frameworks for advertiser reporting
• Build KPI frameworks connecting ad performance to advertiser outcomes and revenue growth

Required Qualifications

• 8+ years of experience in data science, marketing science, or advertising analytics
• Deep expertise in on-site advertising measurement, including A/B experimentation and performance optimization
• Strong knowledge of measurement approaches like causal inference and marketing attribution methods
• Proficiency in SQL plus Python or R, with experience in large-scale datasets
• Proven ability to influence senior stakeholders and drive cross-functional alignment