Data Scientist - TikTok Social Interaction (San Jose)

velopment, Machine Learning Engineering, to improve user experience and fulfill growth of TikTok in all different regions.

About Team
Our social team's mission is to help people discover, build, and sustain meaningful connections. We design features that spark interactions, measure the health of relationships on our platform, and use experimentation and causal inference to ensure we're improving outcomes that matter-quality conversations, trusted interactions, and highly retained relationships. You'll collaborate closely with Product, Engineering, and Trust & Safety to turn insights into experiences that make connecting easier and better.

What You'll Do

• Experimentation & Causal Inference
• Design, launch, and analyze A/B tests and quasi-experiments.
• Ensure rigor: power analysis, guardrails, heterogeneity, and causal validity.
• Social Graph & Connections
• Analyze and model the social graph to understand how users connect.
• Develop signals and strategies that drive high-quality interactions and growth.
• Metrics & Product Health
• Define and monitor core product metrics and leading indicators.
• Investigate metric movements and recommend data-driven actions.
• Insights to Action
• Partner with Product and Engineering to turn findings into roadmap and features.
• Communicate clearly with concise narratives and visualizations.

Qualifications

Minimum Qualifications

• Master's in a quantitative field with 2+ years of experience.
• Proficiency in SQL and Python/R.
• Strong statistical rigor and causal reasoning.

Preferred Qualifications

• PhD (2+ yrs) or MS (4+ yrs) industry experience.
• Experience with:
• Graph analysis, recommendations/ranking, and large-scale experimentation.
• Causal inference methods (e.g., diff-in-diff, matching, uplift).
• Track record of product impact and effective cross-functional collaboration.
• Passion for social products and understanding human connection.

Job Information

[For Pay Transparency] Compensation Description (annually)

The base salary range for this position in the selected city is $144000 - $329334 annually.

Compensation may vary outside of this range depending on a number of factors, including a candidate's qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates:

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;

2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and

3. Exercising sound judgment.