Responsibilities

TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Singapore, Jakarta, Seoul and Tokyo.

Why Join Us
Creation is the core of TikTok's purpose. Our platform is built to help imaginations thrive. This is doubly true of the teams that make TikTok possible.
Together, we inspire creativity and bring joy - a mission we all believe in and aim towards achieving every day.
To us, every challenge, no matter how difficult, is an opportunity; to learn, to innovate, and to grow as one team. Status quo? Never. Courage? Always.
At TikTok, we create together and grow together. That's how we drive impact - for ourselves, our company, and the communities we serve.
Join us.

About The Team:
This position is responsible for researching and building the company's LLMs. The role involves exploring new applications and solutions for related technologies in areas such as search, recommendation, advertising, content creation, and customer service. The goal is to meet the increasing demand for intelligent interactions from users and to significantly enhance their lifestyle and communication in the future.

The primary job responsibilities include:
1. Explore effective ways of evaluating the abilities of the model at various stages. Open the black box of LLMs, understand the source of various abilities of LLMs, and provide guidance for the model iteration.
2. Synthesize large-scale, high-quality data through methods such as rewriting, augmentation, and generation, to improve the abilities of the pre-training model in various dimensions.
3. Explore effective training methods (such as active learning, curriculum learning, etc.) and effective training objectives for LLMs, and optimize the scaling laws.

Qualifications

1. Excellent coding ability, familiar with data structures, and fundamental algorithm skills, proficient in C/C++ or Python, winners of competitions such as ACM/ICPC, NOI/IOI, Top Coder, Kaggle, etc. are preferred;
2. Experience with deep learning, NLP, CV and familiarity with large-scale model training are preferred;
3. Candidates who have led influential projects or papers in NLP, deep learning are preferred;
4. Excellent problem analysis and solving skills, able to deeply solve problems in large-scale model training and application;
5. Good communication and collaboration skills, able to explore new technologies with the team and promote technological progress.

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.

TikTok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at rd.accommodations@tiktok.com.