Principal Data Scientist

Zillow is seeking a Principal Data Scientist to lead measurement strategy for Elevate, our on-site advertising business, and drive advertiser value, product improvements, and revenue growth.

Requirements

• 8+ years of experience in data science, marketing science, advertising analytics, or applied measurement.
• Deep expertise in on-site advertising measurement, including lift testing, incrementality, A/B experimentation, advertiser reporting, and performance optimization.
• Strong knowledge of measurement approaches such as causal inference, marketing attribution methods, and marketing mix modeling.
• Experience working in or closely with ads platforms, retail media networks, sponsored listings, or similar on-site advertising environments.
• Proven ability to influence senior stakeholders and drive cross-functional alignment without formal management authority.
• Strong analytical and technical skills, including experience with large-scale behavioral, clickstream, or marketplace datasets and proficiency in SQL plus Python or R.
• Excellent communication skills, with the ability to translate complex methodologies into clear business recommendations for technical and non-technical audiences.
• Experience partnering with Product, Engineering, Commercial, Sales, and external stakeholders; familiarity with third-party measurement partners or modern data tools is a plus.

Benefits

• Competitive base salary
• Eligibility for equity awards based on factors such as experience, performance and location