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Sr. Data Scientist

Toronto, ON, CA💼 Full-time🗓 2026-09-30 → 2026-10-01

Core

Shape the future of people-facing and business-facing products by applying quantitative modeling, experimentation, and algorithms to solve complex engineering challenges.

Role type

Senior IC data scientist (product analytics & experimentation)

Builds

Product experiences for hundreds of millions of pinners, creators, advertisers, and merchants

Domain

Digital advertising & social media

Deliverable

production ML models

Required skills

quantitative modeling, experimentation design, statistical methods, web-scale data analysis, SQL, Python or R, AI tooling

Preferred skills

digital advertising domain knowledge, online experimentation expertise

Technologies

SQL, Python, R

Responsibilities

Develop best practices for instrumentation and experimentation; build and prototype analysis pipelines at scale; collaborate cross-functionally to translate insights into product actions; leverage AI to accelerate execution and automate tasks; critically evaluate and verify AI-assisted work.

Seniority

Senior, hands-on IC

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