Senior Data Scientist, E-commerce - USDS

About the team:
The E-commerce Risk Control and Security team is dedicated to protecting Tik Tok Shop from fraudulent activities and user abuses, ensuring a trustworthy and user-friendly marketplace for buyers, sellers, and creators. As a global team, we develop and manage foundational platforms including the risk decision engine, enforcement framework, and model & graph platforms.

• Be responsible for end-to-end data analysis projects in the e-commerce security field, including collecting, cleaning, and transforming e-commerce security‑related data (such as transaction logs, user behavior data, abnormal order data, and fraud records), perceive and identify security risks from it, promote the implementation of data‑driven e-commerce security solutions, and have the ability to implement and execute solutions in the production environment.
• Monitor and analyze e-commerce security data trends, including information leakage, malicious crawling of commodity/price data, etc.; identify data anomalies, potential security risks and optimization directions, improve the security of the e-commerce platform, and protect the rights and interests of users and merchants.
• Be responsible for data‑based diagnosis of e-commerce security issues, use statistical methods and data mining technologies to conduct root cause analysis on e-commerce security pain points, and provide implementable security solutions to support e-commerce security decision‑making.
• Collaborate deeply with e-commerce business teams, product teams, security teams and engineering teams, understand e-commerce security needs, convert them into e-commerce security data analysis tasks, and design and deliver scalable data analysis solutions to solve complex e-commerce security challenges.

Minimum Qualifications:

• Bachelor’s degree or above in Computer Science, Data Science, Information Security, Business Analytics, or a related discipline.
• 5+ years of experience in data analytics, with proficiency in SQL, Python, and relevant analytical tools/languages.
• Excellent capabilities to investigate, identify, analyze hidden issues from e-commerce business data and security logs.
• Strong business judgment and ability to work independently in a fast‑paced, ambiguous environment, strong cross‑team communication skills to achieve results.

Preferred Qualifications:

• Experience in data science and e-commerce security risk mitigation, such as data security, traffic security, or anti‑bot.
• Experience in e-commerce and retail related business fields, familiar with e-commerce security risks and data analysis scenarios.
• Demonstrated communication skills to bridge business and technical teams, able to efficiently promote projects from risk detection to solution implementation; good stress resistance and stability.

Tik Tok USDS Joint Venture LLC is dedicated to the safety and security of millions of Americans. The Joint Venture has been established in compliance with the Executive Order signed by President Trump on September 25, 2025. It operates a comprehensive data privacy and cybersecurity program under defined safeguards to protect national security and secure U.S. user data, apps, and the algorithm.

Diversity & Inclusion

Tik Tok 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. We celebrate diverse voices and aim to create an environment that reflects the many communities Tik Tok reaches.

USDS Reasonable Accommodation

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 at

Compensation Description (Annually):
The base salary range for this position in the selected city is $167,538 - $312,867 annually. Compensation may vary outside of this range depending on a number of factors. Base pay is one part of the Total Package that is provided to compensate and…