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Staff Data Scientist - Ads Measurement, Signals, Privacy

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Company

Reddit

Location

Toronto, Canada

Status

Open

Posted

2026-08-03T17:30:50+00:00

Reddit's Ads Data Science team seeks a Staff Data Scientist in Toronto, on-site, to own measurement, identity and signal quality in advertising. The work covers probabilistic identity resolution, lift and attribution methodology, large-scale experimentation, signal strategy for predictive models, and evaluation frameworks that define ground truth. The posting asks for a master's or PhD in a quantitative field, 10 years (M.S.) or 6 years (PhD) in applied or data science, ads ecosystem knowledge, Python or R, SQL, and causal inference or A/B testing. High autonomy and cross-functional influence stand out.