Data Scientist, Risk Data Mining - USDS

ResponsibilitiesProtect U.S. TikTok users, including and beyond content consumers, creators, and advertisersSecure platform health and community experience authenticityBuild infrastructures, platforms, and technologies, and collaborate with many cross-functional teams and stakeholdersBuild rules, algorithms, and machine learning models to respond to and mitigate business risks in TikTok products and platforms (e.g., abusive accounts, fake engagements, spammy redirection, scraping, fraud)Analyze business and security data, uncover evolving attack motions, and identify weaknesses and opportunities in risk-defense solutionsDefine risk-control measurements, quantify, generalize, and monitor risk-related business and operational metrics, and align risk teams and stakeholders on numeric goalsThe PaCI team works to minimize the damage of inauthentic behaviors on TikTok 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.In this team, you will have first-hand exposure to the company's strategy in key security initiatives, especially in building scalable, robust, intelligent, privacy-safe, secure, and product-friendly systems and solutions. Our challenges are not regular day-to-day technical puzzles – you'll be part of a team developing novel solutions to unprecedented challenges in a constantly evolving ecosystem. The work needs to be fast, transferable, and grounded to make quick, solid differences.Minimum QualificationsBachelor's degree or higher 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 SQL, R, and PythonAbility to think critically, objectively, and rationally; communicate results in a data-driven manner; high autonomyPreferred QualificationsFamiliarity with machine learning or social/content online platform analytics; bonus for proficiency in modern machine learning applicationsPassion for data and uncovering insightsAbility to turn data into a storyJob InformationThe base salary range for this position in the selected city is $136,800 – $228,000 annually. Compensation may vary outside this range depending on factors such as qualifications, skills, competencies, experience, and location. Base pay is one part of the total package; the role may also be eligible for discretionary bonuses/incentives and restricted stock units.Benefits may vary depending on employment nature and country location. Employees have day-one access to medical, dental, and vision insurance, a 401(k) plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, and more. 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) CandidatesQualified 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 ActCriminal history may impact job duties such as interacting with clients, handling confidential information, and exercising sound judgment, potentially resulting in withdrawal of the conditional offer of employmentAbout USDSTikTok USDS Joint Venture LLC is dedicated to the safety and security of millions of Americans who create, discover, and connect with what they love on the apps we operate. The Joint Venture was established in compliance with the Executive Order signed by President Trump on September 25, 2025. Our foundation is a comprehensive data privacy and cybersecurity program with safeguards to protect national security and secure U.S. user data, apps, and the algorithm. USDS helps ensure Americans can continue to express their creativity, discover new hobbies and interests, and build thriving communities and businesses globally.On-site presence across teams allows the company to operate with greater speed, alignment, and agility – especially in real-time decision-making, team development, and integrated execution. As such, the company is shifting from a hybrid work model to a fully in-person schedule of up to five days a week.Why Join UsInspiring creativity is at the core of TikTok's mission. Our innovative product helps people authentically express themselves, discover, and connect – and our global, diverse teams make that possible. We create value for our communities, inspire creativity, and bring joy. We strive to do great things with great people. We lead with curiosity, humility, and a desire to make an 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.Diversity & InclusionTikTok 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 strive to create an environment that reflects the communities we reach.USDS Reasonable AccommodationUSDS 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/USDS-RAJ-18808-Ljbffr