Senior Data Scientist, Safety Enforcement
Core
Build and optimize models, rules, and systems to detect and mitigate abuse on Reddit, translating policy into measurable enforcement signals.
Role type
Senior IC data scientist (safety enforcement)
Builds
Automated detection systems, rules, and models for content safety and abuse mitigation
Domain
Social media platform safety / Trust & Safety
Deliverable
production ML models
Required skills
SQL, Python, statistical analysis, experiment design, causal modeling, machine learning, decision system evaluation, policy translation
Preferred skills
graph/network analysis, NLP, embeddings, language models, human-in-the-loop evaluation, fairness assessment
Technologies
Python, SQL, GenAI, language models
Responsibilities
Own the enforcement lifecycle from problem framing to rollout and monitoring; discover and characterize adversarial patterns in large-scale data; build and evaluate decision systems using ML or rules; define decision-quality standards including fairness and calibration; partner with engineering to productionize approaches; translate written policy into modelable targets; measure real-world impact of interventions; respond to urgent escalations and conduct post-incident analysis.
Seniority
Senior, hands-on IC
