Machine Learning Engineer Intern (E-Commerce Recommendation Foundation) - 2027 Start (PhD)

TikTok
San Jose
Workplace: OnsiteInternshipFunction: Data Science & Machine LearningEducation: phdSkills: ["Self-driven","Research mindset"]

Join TikTok’s Recommendation Foundation team to help build shared recommendation foundation models for e-commerce. You’ll participate in the full training lifecycle, design multimodal semantic tokenizers, and develop LLM-native recommendation approaches that improve quality using world knowledge. Work on end-to-end generative recommendation systems spanning retrieval, ranking, and generative modeling, with an emphasis on both research exploration and engineering practice.

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FursaFursa
TikTok
TikTok
5 hours ago

Machine Learning Engineer Intern (E-Commerce Recommendation Foundation) - 2027 Start (PhD)

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Last checked: 5 hours agoStatus: Live

Job Summary

Join TikTok’s Recommendation Foundation team to help build shared recommendation foundation models for e-commerce. You’ll participate in the full training lifecycle, design multimodal semantic tokenizers, and develop LLM-native recommendation approaches that improve quality using world knowledge. Work on end-to-end generative recommendation systems spanning retrieval, ranking, and generative modeling, with an emphasis on both research exploration and engineering practice.
Location: San Jose
Workplace: Onsite
Employment Type: Internship
Job Function: Data Science & Machine Learning
Seniority: Intern level

Key Responsibilities

  • •Participate in the full training lifecycle of Recommendation Foundation Models, including pre-training, mid-training, and post-training.
  • •Design and train multimodal semantic tokenizers for recommendation items using multimodal foundation models.
  • •Develop LLM-native recommendation by incorporating recommendation tasks directly into large language model training.
  • •Build end-to-end generative recommendation systems powered by Recommendation Foundation Models, spanning retrieval, ranking, and generation.

Key Requirements

  • •Currently pursuing a PhD in Computer Science, Electrical Engineering, Mathematics, Statistics, or a related discipline.
  • •Solid foundation in machine learning and deep learning with strong interest in LLMs and generative recommendation.
  • •Proficiency in Python and experience with deep learning frameworks such as PyTorch.
  • •Self-driven with a strong research mindset and solid engineering skills.
  • •Experience with pre-/mid-/post-training of LLMs or foundation models (preferred).
Experience:E-commerce
Education:PhD / Doctorate
Skills:Self-drivenResearch mindset
Tech Stack:PythonPyTorchLLMsVLMsReinforcement learning

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