Data Scientist, Risk Data Mining - USDS

Team Mission

The USDS-Platform and Community Integrity (PaCI) team is missioned to:
Protect U.S. Tik Tok users, including and beyond content consumers, creators, advertisers;
Secure platform health and community experience authenticity;
Build infrastructures, platforms and technologies, as well as collaborate with many cross‑functional teams and stakeholders.

The PaCI team works to minimize the damage of inauthentic behaviors on Tik Tok platforms, covering multiple classical and novel community and business risk areas such as account integrity, engagement authenticity, anti‑spam, API abuse, growth fraud, live streaming security and financial safety, etc. In this team, you'll have a unique opportunity to have first‑hand exposure to the strategy of the company in key security initiatives, especially in building scalable and robust, intelligent and privacy‑safe, secure, and product‑friendly systems and solutions.

Our challenges are not some regular day‑to‑day technical puzzles – you’ll be part of a team that’s developing novel solutions to first‑seen challenges of a non‑stop evolution of a phenomenal product ecosystem. The work needs to be fast, transferrable, while still down to the ground to make quick and solid differences.

• Build rules, algorithms and machine‑learning models to respond to and mitigate business risks in Tik Tok products/platforms. Such risks include and are not limited to abusive accounts, fake engagements, spammy redirection, scraping, fraud, etc.
• Analyze business and security data, uncover evolving attack motion, identify weaknesses and opportunities in risk defense solutions, and explore new space from the discoveries.
• Define risk control measurements. Quantify, generalize, and monitor risk‑related business and operational metrics. Align risk teams and stakeholders on risk‑control numeric goals, promote impact‑oriented, data‑driven data science practices for risks.

• Bachelor’s or higher degree in computer science, statistics, math, internet security or other relevant STEM majors (e.g., finance for financial fraud roles).
• Solid data science skills. Proficiency in statistical analytical tools such as SQL, R and Python.
• Familiarity with machine learning or social/content online platform analytics.
• Ability to think critically, objectively, rationally and communicate in a result‑oriented, data‑driven manner. High autonomy.

• Bonus given to proficiency in modern machine‑learning applications.

Tik Tok is the leading destination for short‑form mobile video. Our mission is to inspire creativity and bring joy. U.S. Data Security (“USDS”) is a subsidiary of Tik Tok in the U.S. This security‑first division was created to bring heightened focus and governance to our data protection policies and content assurance protocols to keep U.S. users safe. Our focus is on providing oversight and protection of the Tik Tok platform and U.S. user data, so millions of Americans can continue turning to Tik Tok to learn something new, earn a living, express themselves creatively, or be entertained.

Inspiring creativity is at the core of Tik Tok’s missionoweit. 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. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech.

Claims… etc.

Tik Tok is committedachos an inclusive space. Employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace.

USDS 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 engine

Compensation Description (Annually)

• The base salary range for this position in the selected city is $144,000 - $329,334 annually.

Additional benefits include medical, dental, vision insurance, 401(k) with company match, paid parental leave, disability coverage, life insurance, wellbeing benefits, 10 paid holidays, 10 paid sick days and 17 days of paid personal time.

For Los Angeles County (unincorporated) candidates:
Qualified applicants with arrest or conviction records will be considered for employment in accordance with applicable laws. Criminal history may be considered for certain job duties.