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Lead Data Scientist (User Growth)-TikTok

San Jose, United States of America💼 Full-time🗓 2026-09-28

Core

Design and monitor core metrics, identify root causes of metric movements, and leverage causal structures of user behavior to guide user growth and ecosystem decisions.

Role type

Senior IC data scientist (user growth & causal modeling)

Builds

Statistical models (LTV, ROI prediction) and model-driven analysis for user growth initiatives

Domain

Internet / Social Media / User Growth

Deliverable

production ML models

Required skills

Statistical modeling, Machine learning, Causal inference, A/B testing design, SQL, Python/R, User-level modeling

Preferred skills

Team leadership, Cross-functional collaboration, Product logic thinking

Responsibilities

Build and improve statistical models to guide user growth decisions; Design, run, and analyze A/B experiments to inform product strategy; Conduct deep-dive analysis to identify trends and opportunities for user growth; Collaborate with product and engineering teams to drive product development through analytic expertise.

Seniority

Senior, hands-on IC with team leadership

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