Research Scientist Intern – TikTok Search / Generative AI (LLM) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)

This role is based in San Jose, California.

Compensation:

$60/hour

Responsibilities:

• Support the development of AI search systems using large models (LLMs).
• Assist in improving ranking, personalization, and relevance in search.
• Contribute to generative and multimodal search models (video, text, image).
• Explore LLM-based approaches for complex and multi-turn queries.
• Help optimize retrieval and ranking performance at scale.
• Collaborate with mentors and cross-functional teams to prototype and evaluate solutions.

Qualifications:

• Pursuing a PhD in Computer Science, Machine Learning, Artificial Intelligence, or related fields.
• Solid foundation in machine learning, deep learning, or information retrieval.
• Familiarity with LLMs, NLP, search/recommendation, or multimodal learning.
• Proficiency in Python and experience with ML frameworks (e.g., PyTorch, TensorFlow).
• Strong problem-solving skills and willingness to learn in a fast-paced environment.