PhD ML Engineer Intern — AI Risk & Graph Models

TikTok Inc.; San Jose (CA); On-site; USD 68,000 - 97,000; Part time

Benefits offered by this job

Health insurance

Life insurance

Wellbeing benefits

10 paid holidays per year

Housing allowance

Job summary

TikTok Inc. is seeking an intern for the Conversion-Oriented Business Risk Integrated Control (BRIC) team in San Jose.

The role focuses on applying AI to protect user trust and platform health across TikTok and related products, with hands-on ML research and real-world risk applications. The internship targets PhD students who want a full-time conversion opportunity, offering an immersive research experience, collaboration with industry experts, and exposure to cutting-edge risk-control

Qualifications

• Currently pursuing a PhD in Computer Science or related field.
• Solid engineering experience with LLM/Agent systems.
• Proficient in Python, SQL, and deep learning frameworks such as PyTorch/TensorFlow.

Responsibilities

• Leverage AI to tackle account security risks across TikTok and overseas markets.
• Address security issues including bulk fake accounts, account trading, and account takeover.
• Build features and representations from multi-source data to improve risk detection and model stability.
• Research architecture of risk-control Agentic AI and multi-agent collaboration mechanisms.

Skills

LLM/Agent systems

Python

SQL

PyTorch/TensorFlow

Education

PhD in Computer Science

Job description

TikTok Inc. is seeking an intern for the Conversion-Oriented Business Risk Integrated Control (BRIC) team in San Jose.

The role focuses on applying AI to protect user trust and platform health across TikTok and related products, with hands-on ML research and real-world risk applications. The internship targets PhD students who want a full-time conversion opportunity, offering an immersive research experience, collaboration with industry experts, and exposure to cutting-edge risk-control