AI Reinforcement Training Intern (TikTok Platform Responsibility) - 2027 Start

Responsibilities
About the team

The Platform Responsibility team is responsible for building, optimizing, and maintaining machine learning models and operational processes that support TikTok's Trust & Safety systems. We ensure that automated safety models perform effectively in identifying harmful content, mitigating risks, and maintaining a safe user environment across regions.

The Platform Responsibility team is bringing disruptive innovation to content safety through the deep application of AI. We are building next-generation infrastructure that leverages advanced LLMs to reshape risk detection and governance. By engineering high-quality data pipelines and integrating AI into core decision-making, we drive exponential efficiency gains and precision. Working at the intersection of scalable engineering and technology, we empower global business growth while serving as the foundation of user trust.

We are looking for talented individuals to join us for an internship. Our internship program offers students hands-on experience, industry exposure, and opportunities to apply their knowledge to real-world challenges while building a strong foundation for personal and professional growth. Interns will gain practical experience, explore potential career paths, and participate in social events, learning programs, and development workshops alongside industry professionals. Candidates may apply to a maximum of two positions across Our Company and its affiliates globally. Applications will be considered in the order they are submitted. Applications are reviewed on a rolling basis, so we encourage you to apply early. Please clearly state your availability in your resume, including your start and end dates.

Responsibilities

• For large-model training and evaluation scenarios, participate in formulating and continuously iterating data quality standards, judgement rules, and acceptance criteria;
• Review and assess data outputs against quality standards, identify issues and close the loop on corrections to ensure accuracy and consistency;
• Participate deeply in the assessment and discussion of complex, ambiguous, and edge cases, turning findings into reusable judgement rules and knowledge assets;
• Track quality performance, identify root causes, and drive improvements in production processes and execution;
• Collaborate with production, product, algorithm, strategy, and other teams to align quality standards and connect the “standards—production—acceptance—feedback” loop.
• Be patient with foundational and repetitive work, and adept at identifying problems;

Qualifications
Minimum Qualification(s)

• Currently pursuing a bachelor's degree in majors in computer science, statistics, law, philosophy, economics, journalism, languages, or related fields.
• Excellent English listening, speaking, reading, and writing skills, with the ability to accurately understand English videos and written content.
• Familiarity with common data-processing tools such as Excel, and a basic understanding of the boundaries of AI capabilities.
• Clear logic and strong abilities in structured decomposition, abstraction and synthesis, judgement, and communication; attention to detail and independent thinking about “what constitutes good data".

Preferred Qualification(s)

• Internship or project experience in data quality, content moderation, compliance, content operations, AI data/annotation, or related areas.
• Extensive experience using mainstream large-model products such as ChatGPT, Claude, Gemini, and Doubao.

Job Information

About TikTok
TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.

We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.