We're hiring a Senior Data Scientist to lead end-to-end machine learning model development for (core product area: growth, monetization, trust & safety, recommendations, etc.). You'll own the entire lifecycle: identifying opportunities, building models, shipping to prod, and measuring impact. This is a hands‑on IC role with high autonomy and accountability.
Key Responsibilities 1. Discovery & Scoping
Work with Product, Eng, and Analytics to uncover high-leverage ML opportunities
Define problem statements, success metrics, and evaluation strategy upfront
Perform exploratory analysis to assess feasibility and estimate ROI
2. Model Development
Build features from structured + unstructured data at scale: logs, events, text, images, time‑series
Select and implement the right approach: regression, classification, clustering, deep learning, LLMs, causal models, etc.
Run rigorous offline experiments: cross‑validation, hyperparameter tuning, error analysis
3. Deployme...