Fraud Detection Developer Jobs

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29d ago

Senior Machine Learning Engineer, E-Commerce Risk Control

TikTok San Jose, CA

San Jose, CA

29d ago

$187k - $360k/yr Full time Advanced Analytics Ai Ml Analytics

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Job Description

Senior ML engineer on TikTok's E-Commerce Risk Control team focused on building and deploying models to mitigate e-commerce risks while advancing privacy, interpretability, and governance.

Responsibilities

Invent, implement, and deploy advanced machine learning algorithms, build prototypes, and explore novel solutions to mitigate business risks in TikTok e-commerce platforms, including fraudulent merchants, cheaters among influencers, malicious users, information security issues, and cross-domain risk challenges.
Utilize representation learning, graph models, deep learning, transfer learning, and multi-task learning to enhance problem detection efficiency and rapidly block risks, optimizing key metrics across the e-commerce community ecosystem.
Monitor and attribute metrics to quickly detect shifts in risk and business trends, proactively identify potential attacks, refine risk control strategies, and drive governance improvements and business model enhancements.
Mine and analyze large-scale e-commerce content and user behavior data to build short-term and long-term user profiles, improve model precision and recall, and boost robustness, automation, and generalization capabilities.
Advance risk ML capabilities in privacy, compliance, interpretability, and risk perception; develop models and algorithms tailored to content e-commerce and construct an industry-leading risk control algorithm system.

Requirements

Master’s degree in Computer Science, Mathematics, Machine Learning, or related STEM fields.
3+ years of hands-on experience building and delivering machine learning models for large-scale projects at internet companies.
Proficiency in C++/Java/Python with strong coding skills, plus familiarity with at least one common ML or deep learning platform.
Solid understanding of supervised learning, unsupervised learning, and deep learning, with the ability to build business algorithms using relevant techniques.
Analytical, data-driven mindset with the ability to work autonomously and communicate results clearly.

Technologies

Python
C++
Java
LLM

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 at hire with tenure-based accruals)
Additional discretionary bonuses and incentives
Restricted stock units

About the Team

The E-Commerce Risk Control team focuses on minimizing damage from inauthentic behaviors on TikTok E-Commerce platforms, covering account integrity, incentive abuse, malicious activity, brushing, click-farms, information leakage, and related risk areas.

About USDS

TikTok USDS Joint Venture LLC is dedicated to the safety and security 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 to safeguard national security and US user data, apps, and the algorithm.
We safeguard the US content ecosystem and hold decision-making authority for trust and safety policies and moderation.
USDS Joint Venture helps ensure Americans can express creativity, discover interests, and build communities and businesses globally.
On-site presence across teams supports speed, alignment, and agility in real-time decision-making and integrated execution.
The company is shifting from a hybrid model to a fully in-person schedule up to five days a week.

Why Join Us

TikTok aims to inspire creativity by enabling authentic expression, discovery, and connection, supported by global, diverse teams.
We value curiosity, humility, and impact, treating challenges as opportunities to learn and innovate as one team, with an Always Day 1 mindset.
Diversity and Inclusion: TikTok commits to an inclusive space that values diverse voices and perspectives to reflect the communities we reach.

USDS Reasonable Accommodation

USDS provides reasonable accommodations in recruitment for candidates with disabilities or other protected reasons. If you need assistance, reach out at https://tinyurl.com/USDS-RA

Job Information

Location: San Jose, CA (onsite)
Base salary range: $187,040 - $359,720 annually
Compensation may vary based on qualifications, skills, competencies, experience, and location; base pay may be eligible for discretionary bonuses/incentives and restricted stock units
Benefits on day one include medical, dental, and vision insurance, 401(k) with company match, paid parental leave, disability coverage, life insurance, wellbeing benefits, among others
Ten paid holidays, ten paid sick days, and 17 days of Paid Personal Time, prorated on hire with tenure-based accruals
Company reserves the right to modify or change benefits programs at any time

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