Senior Data Scientist, E-commerce - USDS

About the role

The E-commerce Risk Control and Security team is dedicated to protecting TikTok Shop from fraudulent activities and user abuses, ensuring a trustworthy and user-friendly marketplace. This global team develops and manages foundational platforms including the risk decision engine, enforcement framework, and model & graph platforms, tackling high-throughput e-commerce challenges.

Responsibilities

• Conduct end-to-end data analysis projects involving e-commerce security data, including transaction logs, user behavior data, abnormal order data, and fraud records. Identify security risks, implement data-driven solutions, and deploy them in production environments.
• Monitor and analyze e-commerce security data trends, such as information leakage and malicious crawling of commodity/price data. Detect data anomalies, assess potential security risks, and propose optimization strategies.
• Perform data-based diagnosis of e-commerce security issues using statistical methods and data mining technologies. Conduct root cause analysis and provide actionable security solutions for e-commerce security decisions.
• Collaborate with e-commerce business teams, product teams, security teams, and engineering teams. Understand security needs, convert them into data analysis tasks, and design scalable solutions to address complex e-commerce security challenges.

Qualifications

• Bachelor’s degree or above in Computer Science, Data Science, Information Security, Business Analytics, or a related field.
• 5+ years of experience in data analytics, proficient in SQL, Python, and relevant analytical tools/languages, capable of detecting cyber threats through data-driven approaches.
• Exceptional investigative and analytical skills, capable of identifying hidden issues from e-commerce business data and security logs.
• Strong business acumen and ability to work independently in a fast-paced, ambiguous environment. Excellent cross-team communication skills to facilitate project success.

Preferred Qualifications

• Experience in data science and e-commerce security risk mitigation, such as data security, traffic security, or anti-bot.
• Familiarity with e-commerce and retail-related business fields, understanding e-commerce security risks and data analysis scenarios.
• Effective communication skills to bridge business and technical teams, promoting projects from risk detection to solution implementation.

About USDS

TikTok USDS Joint Venture LLC is committed to the safety and security of millions of Americans who use our apps. Established in compliance with the Executive Order signed by President Trump on September 25, 2025, the Joint Venture operates under comprehensive data privacy and cybersecurity programs to protect national security and secure U.S. user data. We safeguard the U.S. content ecosystem and hold decision-making authority for trust and safety policies and moderation. We strive to inspire creativity and bring joy to our communities while operating under a fully in-person schedule up to 5 days a week.

Why Join Us

We believe in inspiring creativity and bringing joy to our users. Our innovative product enables people to authentically express themselves, discover new interests, and build thriving communities and businesses. We are committed to leading with curiosity, humility, and a desire to make a positive impact. We foster an "Always Day 1" mindset to achieve meaningful breakthroughs for ourselves, our company, and our users. Join us to create a future where creativity and joy thrive.

Diversity & Inclusion

We are dedicated to creating an inclusive space where employees are valued for their unique perspectives and contributions. Our commitment to diversity and inclusion extends beyond our workplace to our global community. We strive to celebrate our diverse voices and foster an environment that reflects the many communities we serve.

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 protected reasons. If you need assistance or a reasonable accommodation, please reach out to us at [contact link].

Job Information

[For Pay Transparency] The base salary range for this position in the selected city is $167,538 - $312,867 annually. Compensation may vary based on various factors including qualifications, skills, competencies, and experience, and location. Additional discretionary bonuses/incentives and restricted stock units may be offered. Benefits may vary depending on the nature of employment and the country work location. Employees have 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 receive 10 paid holidays, 10 paid sick days, 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.

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: interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues; appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and exercising sound judgment.