AI Model Reinforcement Mandarin Speaking Graduate (Safety Model Operations) - 2027 Start

Written by the T&S Network from TikTok's posting.

Builds and maintains the machine learning models and operational processes behind TikTok's Trust & Safety systems, which detect harmful content across regions. Within that, the work is data quality for large-model training and evaluation, setting the standards and judgment rules that labeled data is held to. The team sits in Safety Model Operations.

What you'd do

• Contribute to the rules that define good training and evaluation data and how it gets accepted.
• Review data outputs against those standards, flag issues, and follow corrections through to close.
• Work through complex, ambiguous, and edge cases, and turn the outcomes into reusable judgment rules.
• Track quality performance, find root causes, and push improvements in production processes.
• Coordinate with production, product, algorithm, and strategy teams to keep standards, production, acceptance, and feedback aligned.

What it asks for

• Bachelor's degree required.
• Strong English across listening, speaking, reading, and writing, able to follow English video and text accurately (IELTS 7.5, TOEFL 105, or equivalent).
• Mandarin proficiency required for daily liaison with the local team.
• Prior internship or project work in data quality, moderation, compliance, content ops, AI data, or labeling (preferred).
• Familiarity with Excel and common data-processing tools (preferred).
• Hands-on use of mainstream foundation-model products and a basic sense of AI capability limits (preferred).

Worth knowing

• Graduate role with an onboarding date required by the end of the year.

Our best summary of the posting, and it can be wrong. The employer's posting is what counts: read it in full on TikToknorth_east before you apply. If we got something wrong, report this listing.