Sr. Staff Data Scientist (Ads Measurement)

TL;DR

Sr. Staff Data Scientist (Ads Measurement): Leading the scientific strategy for ads measurement, signal quality, and privacy-aware attribution systems with an accent on causal inference and experimental design. Focus on architecting the next generation of measurement frameworks to prove advertiser value and drive product strategy in a privacy-first landscape.

Location: Must be based in the United States

Salary: $232,500–$325,500 USD

Company

Reddit is a community-driven platform connecting millions of daily active users through shared interests and authentic conversations.

What you will do

• Define the long-term data science vision for ads measurement, signal quality, identity, and privacy.
• Build rigorous frameworks for validating lift, attribution, and modeled conversions.
• Lead the evolution of experimentation methodologies including Brand Lift, Conversion Lift, and split testing.
• Partner with engineering to operationalize complex causal models in high-throughput production environments.
• Quantify the impact of signal quality and identity resolution on bidding efficiency and advertiser outcomes.
• Mentor senior data scientists and influence cross-functional strategy across Product, Engineering, and Legal.

Requirements

• 10+ years of industry experience in data science, applied science, or related quantitative roles.
• Advanced degree in Statistics, Economics, Mathematics, Computer Science, or Physics.
• Deep expertise in ads measurement, experimentation, causal inference, and attribution.
• Advanced proficiency in SQL and Python or R.
• Proven track record leading ambiguous, cross-functional problem spaces with measurable business impact.
• Must be authorized to work in the United States.

Nice to have

• Experience with privacy-constrained measurement, clean rooms, or consent-aware systems.
• Familiarity with two-sided marketplaces, auction systems, or performance advertising.
• Experience building durable internal frameworks, scorecards, or methodology standards.

Culture & Benefits

• Comprehensive healthcare benefits and income replacement programs.
• 401(k) with employer match.
• Flexible vacation and paid volunteer time off.
• Generous paid parental leave and family planning support.
• Mental health and coaching benefits.
• Global benefit programs supporting workspace and professional development.