Responsibilities

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 its offices include New York, London, Dublin, Paris, Berlin, Dubai, 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.

We are an AI application team within the TikTok architecture department, dedicated to leveraging AI to enhance R&D efficiency and user experience. Our efforts include developing our own code model to support projects, as well as exploring the use of LLM-related technologies such as agents and retrieval-augmented generation (RAG) to further expand our capabilities and drive innovation.

Job Description
1. Responsible for implementing AI capabilities within the on-device environment in areas such as intent recognition, content understanding, and intelligent decision-making;
2. Work with the engineering team to analyze and improve model performance, including but not limited to inference speed, memory usage, and energy optimization;
3. Responsible for the porting and optimization of large models such as LLM and Diffusion, as well as vertical basic capabilities like ASR and OCR on the client side;
4. Responsible for long-term exploration of on-device algorithms, such as privacy-preserving computing and client-edge-cloud collaboration.

Qualifications

Minimum Qualification
1. Bachelor's degree or higher in Computer Science, Communications, Mathematics or related fields;
2. Proficient in Python, with good data analysis skills, communication skills, design abilities, and programming habits;
3. Skilled in the use of at least one deep learning framework among TensorFlow, MXNet, Caffe, or PyTorch;

Preferred Qualification
1. Practical experience in performance optimization strategies, user experience strategies, etc., is preferred;
2. Experience in pre-training or fine-tuning LLMs (Large Language Models), Diffusion Models, etc., is preferred.

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.