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TikTok · 3 weeks ago

Senior Machine Learning Engineer, E-Commerce Risk Control - USDS

Seattle, WA

Full-time

Hybrid

Mid, Senior Level

$178K/yr - $342K/yr

4+ years exp

TikTok is the leading destination for short-form mobile video, and they are seeking a Senior Machine Learning Engineer for their E-Commerce Risk Control team. The role involves developing machine learning algorithms to address and mitigate business risks on TikTok's e-commerce platforms.

Content CreatorsContent DiscoveryMedia and EntertainmentSocial MediaVideo

H1B Sponsor Likely

Responsibilities

Invent, implement, and deploy state-of-the-art machine learning algorithms, build prototypes, and explore entirely new conceptual solutions to address and mitigate business risks in TikTok e-commerce/platforms, including but not limited to fraudulent merchants, cheating influencers, malicious users, information security issues, and cross-domain risk challenges

Utilize techniques such as representation learning, graph models, deep learning, transfer learning, and multi-task learning to improve the efficiency of problem detection, enabling rapid risk mitigation and optimizing various metrics of the e-commerce community ecosystem

Monitor and attribute key metrics to promptly perceive changes in risk and business, proactively identify potential attacks, continuously optimize and adjust risk control strategies, and drive the development of risk governance and business model adjustments

Mine and analyze massive e-commerce content and user behavior data to build both short-term and long-term user profiles, improving model accuracy and recall, as well as enhancing robustness, automation, and generalization capabilities

Advance risk machine learning capabilities in privacy/compliance, interpretability, risk perception, and analysis; innovate models and algorithms tailored to the characteristics of content e-commerce, building an industry-leading content e-commerce risk control algorithm system

Qualification

Machine LearningDeep LearningFraud DetectionData MiningC++/Java/PythonGraph ModelsTransfer LearningE-commerce ExperienceTechnical LeadershipCommunication SkillsCritical Thinking

Required

Master's degree in Computer Science, Mathematics, Machine Learning, or other relevant STEM fields

4+ years of hands-on experience building and delivering machine learning models for large-scale projects in internet companies

Proficient in C++/Java/Python with strong coding skills, and familiarity with at least one common machine learning/deep learning platform

Experience in e-commerce/internet companies in fraud or risk control roles, with a track record of building fraud detection, anomaly detection, or other risk control models using relevant algorithms

Strong critical, objective, and thinking skills; able to reason and communicate in a results-oriented, data-driven manner with high autonomy

Preferred

PhD in Computer Science, Machine Learning, Statistics, Operations Research, or related fields

5+ years of hands-on experience in building and delivering large-scale risk control projects in internet/e-commerce companies, with proven success in large-scale anti-fraud data mining; strong coding (backend, infrastructure, algorithms) and system design skills

Strong technical leadership combined with hands-on data mining and machine learning expertise; passionate about tackling TikTok's data scale and business complexity; able to identify, plan, and lead both quick-win tactics and long-term strategies, guiding teams to counteract malicious actors on the platform

High sense of ownership, excellent communication and collaboration skills; able to end-to-end manage one or more critical, highly adversarial, constantly expanding, and cross-functional platform/community security business areas

Benefits

Medical, dental, and vision insurance

401(k) savings plan with company match

Paid parental leave

Short-term and long-term disability coverage

Life insurance

Wellbeing benefits

10 paid holidays per year

10 paid sick days per year

17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure)

Company

TikTok

Glassdoor3.4

TikTok is a short-form video entertainment app and social network platform. It is a sub-organization of ByteDance.

Founded in 2003

Los Angeles, California, USA

10001+ employees

https://www.tiktok.com

H1B Sponsorship

TikTok has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

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Trends of Total Sponsorships

2025 (979)

2024 (601)

2023 (387)

2022 (322)

2021 (133)

2020 (72)