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

TikTok
San Jose
Workplace: OnsiteInternshipFunction: Data Science & Machine LearningEducation: phdSkills: ["Problem-solving","Collaboration","Willingness to learn"]

Join the TikTok Search team to build AI-native generative search systems. As a PhD intern, you’ll develop LLM-powered ranking, personalization, and multimodal understanding across video, text, and image. Work on end-to-end generative search models, explore agent frameworks for complex multi-turn queries, and optimize retrieval and ranking performance at massive scale, partnering with researchers and engineers to prototype and evaluate solutions.

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FursaFursa
TikTok
TikTok
1 month ago

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

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Last checked: 21 hours agoStatus: Live

Job Summary

Join the TikTok Search team to build AI-native generative search systems. As a PhD intern, you’ll develop LLM-powered ranking, personalization, and multimodal understanding across video, text, and image. Work on end-to-end generative search models, explore agent frameworks for complex multi-turn queries, and optimize retrieval and ranking performance at massive scale, partnering with researchers and engineers to prototype and evaluate solutions.
Location: San Jose
Workplace: Onsite
Employment Type: Internship
Job Function: Data Science & Machine Learning
Seniority: Intern level

Key Responsibilities

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

Key Requirements

  • •Currently pursuing a PhD in Computer Science, Machine Learning, Artificial Intelligence, or a related field.
  • •Solid foundation in machine learning, deep learning, or information retrieval.
  • •Familiarity with at least one of: LLMs, NLP, search/recommendation, or multimodal learning.
  • •Proficiency in Python and experience with ML frameworks such as PyTorch or TensorFlow.
  • •Strong problem-solving skills and willingness to learn in a fast-paced environment.
Experience:ResearchMachine learningDeep learningInformation retrievalLLMsMultimodal learning
Education:PhD / Doctorate in Computer Science, Machine Learning, Artificial Intelligence, or related fields
Skills:Problem-solvingCollaborationWillingness to learn
Tech Stack:PythonPyTorchTensorFlowLLMsNLPSearchRecommendationMultimodal learningAgent-based systems

Company Brief

TikTok
Short-form video platform that lets users create, share, and discover entertainment content through algorithmic recommendations. It also offers advertising and creator tools for brands, influencers, and businesses.
Industry: Digital Media
Company Size: Enterprise (1,001+ employees)
Growth: Scaleup
Headquarters: Singapore, Singapore
Founded: 2016
WebsiteLinkedIn