Lead Data Scientist (User Growth)-TikTok
TikTok
San Jose, CA · Posted November 13, 2026
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November 2026
- #1Best cities for marketing pay after cost of living$204k · of 16
- #1Best cities for aerospace and defense pay after cost of living$187k · of 19
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- Employers with the most data and analytics jobs #1 Amazon (711 roles)
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Pay compared with the market
This listing does not state pay. Across 51 open lead data scientist listings that state pay, the middle half runs $150,500 to $190,000 and the median is $172,500.
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How AI is used in this kind of work
Among data scientists, AI is already used for a large share of the tasks. Measured exposure for data scientists: 46% (high).
Share of this job’s tasks that AI is already used for at work, from real usage. It is not a forecast of job loss, and a low number means no use seen yet. Source: Anthropic Economic Index.
TikTok has filed one layoff notice in the last twelve months, covering 250 workers, most recently August 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
The Product Data Analytics Team analyzes a combination of product usage and product performance data to derive meaningful insights that would serve as a guide to better product and decision making for our business leaders. As a member of the data science team, you will work with diverse and highly collaborative teams of product managers, engineers, and other data analysts to drive product impact. You will be working on exciting and challenging projects, and convert the insights into real changes, for both new initiatives and scaled products. You are a self-starter who is excited about data, excels in product logic thinking, clear communication, and brings distinctive problem-solving skills and impeccable quantitative modeling experience.
As a Data Scientist, you will be working on designing and monitoring core metrics, identifying the root causes for metric movements through deep dive into the models. The role will cover a wide range of model-driven solutions to deliver superior business outcomes through research and analyses. In particular, this role will leverage the causal structure of user behavior, identify trends and opportunities for user growth and great ecosystem, and guide the product team to make the best decisions.
Responsibilities - Leverage data to solve challenging business problems from full-spectrum of product and business lines, using analytical and statistical approaches. - Build and improve applicable statistical models, e.g. LTV and ROI prediction, to guide user growth-related decisions. - Initiate model-driven analysis to provide deep insights into various products. Catch the common rule of problems and establish the inter-product analytic paradigm. - Work with Product, Operations, Engineering and cross-functional teams to drive product development through analytic, statistical, and algorithmic expertise. - Design, run and analyze A/B experiments to inform and execute the product strategy, and ultimately improve the product and support business decisions.
Minimum Qualification(s) - Master’s degree in a quantitative discipline (e.g. Statistics, Operations Research, Computational Biology, Computer Science, Mathematics, Economics). - 5+ years of experience in statistical modeling (Regression, Classification, Clustering, etc.) and machine learning (deep learning), and experience in user-level modeling - 2+ years of experience with leading a team - Ability to conduct rigorous analysis and communicate conclusions to both technical and non-technical audiences - Proficiency in SQL, Python/R
Preferred Qualification(s) - Solid communication and collaboration skills with the ability to work effectively with internal teams in a diversified environment - Passion for the Internet industry and data analysis. - Self-starter with the ability to acquire an in-depth understanding of the relation between data and user experience/product growth.