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 mo...