TikTok
Machine Learning Engineer/ Applied Data Scientist, E-Commerce Risk Control - USD
TikTok, San Jose, California, United States, 95199
Machine Learning Engineer/ Applied Data Scientist, E-Commerce Risk Control - USDS
Responsibilities Invent, implement, and deploy machine learning algorithms to respond to and mitigate business risks in TikTok e-commerce/platforms (e.g., fraudulent merchants, cheating influencers, malicious users, information security issues, cross-domain risks). Leverage representation learning, graph models, deep learning, transfer learning, and multi-task learning to improve problem detection efficiency and rapidly block risks while optimizing metrics. Monitor key risk metrics, detect changes in risk and business trends, proactively identify potential attacks, and refine risk control strategies and governance. Mine and analyze large-scale e-commerce content and user behavior data to build short- and long-term user profiles; improve model precision/recall and robustness, automation, and generalization. Advance risk ML capabilities in privacy, interpretability, risk perception, and analysis; innovate models tailored to content e-commerce and build an industry-leading risk control algorithm system. Qualifications Minimum Qualifications Master’s degree in Computer Science, Mathematics, Machine Learning, or related STEM field. 2+ years of hands-on experience building and delivering ML models for large-scale projects in internet companies. Proficiency in C++/Java/Python with strong coding skills and familiarity with at least one ML/DL framework. Deep understanding of supervised, unsupervised, and deep learning; ability to build business models using relevant algorithms. Critical thinking, objective reasoning, and data-driven, autonomous work style. Preferred Qualifications PhD in Computer Science, ML, Statistics, Operations Research, or related field. 4+ years of hands-on ML experience for large-scale internet projects, including fraud or risk control roles. Experience with fraud detection, anomaly detection, or similar risk models; ability to apply latest technologies (e.g., LLMs, multi-agent systems). About USDS TikTok is the leading destination for short-form mobile video. U.S. Data Security (USDS) is a TikTok subsidiary in the U.S. focused on data protection policies and content assurance to keep U.S. users safe. Our teams cover Trust & Safety, Security & Privacy, Engineering, User & Product Ops, and more. Data Security Statement This role works with systems designed to protect sensitive data and may be subject to national security screening. Why Join Us We aim to inspire creativity and bring joy. Our diverse teams strive to make an impact in a fast-growing tech company, embracing curiosity, humility, and collaboration to achieve breakthroughs. USDS Reasonable Accommodation USDS provides reasonable accommodations in recruitment for candidates with disabilities or other protected reasons. If you need assistance, please reach out. Job Information The base salary range for this position in the selected city is $136,800 – $359,720 annually. Compensation may vary based on qualifications, skills, and location. This role may be eligible for bonuses, incentives, and RSUs. Benefits include medical, dental, vision, 401(k) with match, parental leave, disability coverage, life insurance, wellbeing benefits, and paid time off. The company may modify benefits at any time. Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Industries Software Development
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Responsibilities Invent, implement, and deploy machine learning algorithms to respond to and mitigate business risks in TikTok e-commerce/platforms (e.g., fraudulent merchants, cheating influencers, malicious users, information security issues, cross-domain risks). Leverage representation learning, graph models, deep learning, transfer learning, and multi-task learning to improve problem detection efficiency and rapidly block risks while optimizing metrics. Monitor key risk metrics, detect changes in risk and business trends, proactively identify potential attacks, and refine risk control strategies and governance. Mine and analyze large-scale e-commerce content and user behavior data to build short- and long-term user profiles; improve model precision/recall and robustness, automation, and generalization. Advance risk ML capabilities in privacy, interpretability, risk perception, and analysis; innovate models tailored to content e-commerce and build an industry-leading risk control algorithm system. Qualifications Minimum Qualifications Master’s degree in Computer Science, Mathematics, Machine Learning, or related STEM field. 2+ years of hands-on experience building and delivering ML models for large-scale projects in internet companies. Proficiency in C++/Java/Python with strong coding skills and familiarity with at least one ML/DL framework. Deep understanding of supervised, unsupervised, and deep learning; ability to build business models using relevant algorithms. Critical thinking, objective reasoning, and data-driven, autonomous work style. Preferred Qualifications PhD in Computer Science, ML, Statistics, Operations Research, or related field. 4+ years of hands-on ML experience for large-scale internet projects, including fraud or risk control roles. Experience with fraud detection, anomaly detection, or similar risk models; ability to apply latest technologies (e.g., LLMs, multi-agent systems). About USDS TikTok is the leading destination for short-form mobile video. U.S. Data Security (USDS) is a TikTok subsidiary in the U.S. focused on data protection policies and content assurance to keep U.S. users safe. Our teams cover Trust & Safety, Security & Privacy, Engineering, User & Product Ops, and more. Data Security Statement This role works with systems designed to protect sensitive data and may be subject to national security screening. Why Join Us We aim to inspire creativity and bring joy. Our diverse teams strive to make an impact in a fast-growing tech company, embracing curiosity, humility, and collaboration to achieve breakthroughs. USDS Reasonable Accommodation USDS provides reasonable accommodations in recruitment for candidates with disabilities or other protected reasons. If you need assistance, please reach out. Job Information The base salary range for this position in the selected city is $136,800 – $359,720 annually. Compensation may vary based on qualifications, skills, and location. This role may be eligible for bonuses, incentives, and RSUs. Benefits include medical, dental, vision, 401(k) with match, parental leave, disability coverage, life insurance, wellbeing benefits, and paid time off. The company may modify benefits at any time. Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Industries Software Development
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