Data Scientist - TikTok Integrity and Safety (San Jose)

TikTok; San Jose (CA); On-site; USD 137,000 - 277,000; Full time

Job summary

TikTok is seeking a Data Scientist to design, build, and maintain metrics systems focused on platform content safety and risk. You will develop monitoring, anomaly detection, and analytical capabilities to support policy decisions and incident response.

You will apply causal inference, A/B testing, and regression analysis to evaluate security policies and drive data-driven improvements, collaborating with product and R&D teams to translate insights into safer platform experiences.

Qualifications

• 1+ years of data science experience in a relevant field.
• Proficient in SQL and Python/R with strong data visualization skills.
• Familiar with machine learning principles and methods such as causal inference and A/B testing.

Responsibilities

• Design, build, and maintain core metrics systems for content safety and risk.
• Develop monitoring and anomaly detection systems for security incidents.
• Apply statistical methods including A/B testing and causal inference to evaluate policies.
• Collaborate with product, operations, and R&D to translate insights into improvements.

Skills

SQL

Python/R

Data visualization

Causal inference

A/B testing

English working language

Education

Bachelor's degree or above in statistics, data science, economics, mathematics, or related field

Job description

Responsibilities

About the Team

Join our team and leverage the power of data science to directly safeguard content, users, and privacy on TikTok. You will provide critical data-driven insights for platform responsibility and safety initiatives, including video content safety, live content safety, account security, privacy compliance, and moderation platforms, ultimately enhancing the safety experience for millions of users worldwide.

What You'II Do

• Design, build, and maintain core metrics systems related to platform content safety and risk, including but not limited to content violation, user report, and account risk identification. Develop comprehensive monitoring and anomaly detection systems to quickly identify and analyze security incidents, providing data support for risk alerts and policy adjustments.
• Apply rigorous statistical methods, including A/B testing, causal inference, regression analysis, and more, to evaluate the effectiveness of security policies. You will deeply analyze experiment results, provide quantitative evidence for business decisions, and continuously optimize experiment design to improve evaluation efficiency.
• Develop quantitative analysis systems for specific business challenges and leverage data mining techniques to identify potential optimization opportunities. You will work closely with product, operations, R&D, and algorithm teams to translate analytical insights into actionable improvements and drive their implementation, ultimately improving platform safety.
• Continuously explore and summarize data analysis methodologies, create reusable analysis frameworks and tools to improve the overall analytical capabilities of the team. Participate in the design and iteration of data products, productizing data analysis capabilities to provide business teams with more efficient and convenient data services.

Qualifications

Minimum Qualifications

• 1+ years of data science experience and Bachelor's degree or above in statistics, data science, economics, mathematics, or a related field
• Proficient in SQL, skilled in using data analysis tools such as Python/R, and possesses excellent visualization skills
• Familiar with common machine learning algorithm principles and understands methods such as causal inference and A/B testing
• Proficient in English as a working language

Preferred Qualifications

• Familiarity with Internet/content platform safety business
• Excellent logical thinking, problem analysis and solving abilities, as well as good communication, expression, and cross-team collaboration skills
• Experience in content security, integrity, or risk management is preferred

About TikTok

TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.

We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.

TikTok Accommodation

TikTok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at https://tinyurl.com/RA-request

Job Information

For Pay Transparency

Compensation Description (Annually)

The base salary range for this position in the selected city is $136800 - $277200 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;
3. Exercising sound judgment.