Global AI Data Quality Lead for Model Evaluation

TikTok Inc.; Jakarta Selatan; On-site; IDR 180,000,000 - 300,000,000; Full time

Job summary

TikTok is seeking a Data Quality Specialist to join the AI Data Service & Operations (ADSO) team in Jakarta. You will help translate human judgment into consistent data across languages and domains, supporting foundation-model training, evaluation, and improvement.

Collaborate with algorithm, product, engineering, and operations teams to define standards, review outputs, track quality metrics, and drive improvements in data production systems and evaluation methods.

Qualifications

• Bachelor's degree in a relevant field.
• Excellent English listening, speaking, reading, and writing skills, including accurate comprehension of English video and text. IELTS 7.5, TOEFL 105, or equivalent.
• Familiarity with Excel and other common data-processing tools.
• Clear logic and strong structured decomposition, abstraction, synthesis, judgment, and communication skills. Detail-oriented, with an independent view of what constitutes high-quality data.
• Majors in law, philosophy, economics, journalism, languages, social sciences, or related fields.
• Internship or project experience in data quality, content moderation, compliance, content operations, AI data, or annotation.
• Deep experience with mainstream foundation-model products such as ChatGPT, Claude, Gemini, or Doubao, and a basic understanding of AI capability boundaries.

Responsibilities

• Help define and continuously iterate data-quality standards, judgment rules, and acceptance criteria for foundation-model training and evaluation.
• Review and judge data outputs against quality standards, identify issues, close correction loops, and ensure accuracy and consistency.
• Participate deeply in the adjudication and discussion of complex, ambiguous, and borderline cases; convert conclusions into reusable judgment rules and knowledge assets.
• Track quality metrics, identify root causes, and drive improvements in production processes and execution.
• Collaborate with production, product, algorithm, and strategy teams to align quality standards and connect the “standards–production–acceptance–feedback” chain.

Skills

English proficiency

Data analysis

Structured thinking

Communication

Education

Bachelor's degree

Tools

Excel

Job description

TikTok is seeking a Data Quality Specialist to join the AI Data Service & Operations (ADSO) team in Jakarta. You will help translate human judgment into consistent data across languages and domains, supporting foundation-model training, evaluation, and improvement.

Collaborate with algorithm, product, engineering, and operations teams to define standards, review outputs, track quality metrics, and drive improvements in data production systems and evaluation methods.