Sr. Data Scientist, Trust and Safety
Core
Design and build sampling frameworks, data aggregations, and measurement methodologies to track Trust & Safety policy violations and measure the prevalence of unsafe content across Pinterest's platform.
Role type
Senior Data Scientist (Trust & Safety)
Builds
Large-scale data pipelines, offline dashboards, and online production workflows for safety monitoring.
Domain
Social media platform safety / Trust & Safety
Deliverable
production ML models | dashboards & analysis
Required skills
Statistical methods, sampling techniques, Python, SQL, Spark, ML pipelines, data aggregation, policy translation to LLM prompts
Preferred skills
Platform safety experience, adversarial testing, responsible data measurement, complex ecosystem familiarity
Technologies
Python, SQL, Spark
Responsibilities
Design ML-assisted sampling techniques to measure unsafe content prevalence; Build data pipelines to aggregate queries and images for safety labeling; Partner cross-functionally to orchestrate safety monitoring workflows; Translate safety policies into unified LLM prompts; Calibrate labeler decision quality
Seniority
Senior, hands-on IC
