T
Not Specified Permanent

Seattle, Washington · USA job

Research Scientist - TikTok E-Commerce Recommendation Foundation

TikTok

Seattle, Washington

Job description

Overview

In this role, you will help build next-generation foundation models for unified, cross-scenario recommendations. You will advance event-sequence-driven generative paradigms and integrate multimodal understanding. You'll apply LLMs across retrieval, ranking, and re-ranking, while optimizing training, inference, and system design. You'll collaborate with a research-leaning, open environment to push the boundaries of intelligent recommendations, shaping a scalable, adaptable recommender platform.

Responsibilities
  • Build and optimize cross-scenario shared Foundation Models for unified modeling and efficient inference
  • Advance event-sequence-driven generative recommendation, integrating multimodal understanding and generative capabilities
  • Apply LLM technologies across retrieval, ranking, and re-ranking; contribute to model training, inference optimization, and system co-design
  • Explore integration of LLMs/VLMs with recommendation systems to develop adaptive intelligent recommenders
  • Research end-to-end generative recommendation and system optimization methods balancing efficiency and user experience
Key requirements
  • MS/PhD in Computer Science or related field or equivalent industrial research experience
  • Strong theoretical foundation in ML, DL, or information retrieval
  • Proficiency in Python and familiarity with PyTorch
  • Strong passion for intelligent recommendation systems and a self-driven research mindset
  • self-motivated research mindset
  • strong problem-solving and analytical skills
  • collaborative and open to sharing hypotheses and validations
  • Python
  • PyTorch
  • machine learning fundamentals

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