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Sr. Staff Data Scientist - Ads Measurement, Signals, Privacy

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Company

Reddit

Location

Toronto, Canada

Status

Open

Posted

2026-08-03T17:26:42+00:00

Reddit's Ads Data Science team seeks a Senior Staff Data Scientist to lead measurement science for advertising. The role sets strategy for ads measurement, signal quality, identity, attribution and privacy, and builds frameworks for lift, conversion and signal-loss measurement. It advances experimentation and causal inference, works with engineering and modeling teams, and advises product, sales and legal/privacy leaders. The posting wants an advanced quantitative degree or equivalent, 10+ years in data science or related fields, SQL and Python or R, mentoring senior scientists. Privacy-aware measurement and cross-functional strategy stand out.