Research Scientist – E-commerce Recommendation(LLM Applications) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)

TikTok
Seattle
Workplace: OnsiteFull timeFunction: Data Science & Machine LearningEducation: phdSkills: ["Scientific rigor","Collaboration","Research communication"]

Build foundation multimodal large models for global e-commerce, unifying users, products, content, logistics, and inventory into a single modeling framework. Work on generative recommendation, cross-modal alignment, item tokenization, and multilingual/multimodal LLM applications for e-commerce agents. Develop algorithms and systems leveraging LLMs and generative models, drive research through publications/patents, and balance scientific rigor with real-world business constraints.

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FursaFursa
TikTok
TikTok
1 month ago

Research Scientist – E-commerce Recommendation(LLM Applications) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)

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Job Summary

Build foundation multimodal large models for global e-commerce, unifying users, products, content, logistics, and inventory into a single modeling framework. Work on generative recommendation, cross-modal alignment, item tokenization, and multilingual/multimodal LLM applications for e-commerce agents. Develop algorithms and systems leveraging LLMs and generative models, drive research through publications/patents, and balance scientific rigor with real-world business constraints.
Location: Seattle
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Graduate level

Key Responsibilities

  • •Design algorithms and systems using LLMs and generative models for content-to-commerce matching and product summarization.
  • •Explore novel architectures and strategies for generative recommendation systems.
  • •Build multimodal foundation and agent frameworks enabling end-to-end intelligent decision-making across e-commerce workflows.
  • •Develop solutions for heterogeneous data fusion and alignment, including multimodal temporal and visual/text representations.
  • •Contribute to the research community through internal papers, patents, or external publications while balancing real-world constraints.

Key Requirements

  • •Completing or recently completed a PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
  • •Strong foundation in machine learning, with knowledge of cutting-edge AI technologies and publications or competition experience.
  • •Familiarity with big data frameworks such as Hadoop, MapReduce, and Spark.
  • •Experience with TensorFlow or PyTorch for model training and deployment, including training acceleration techniques like mixed precision and distributed training.
  • •Knowledge of model compression and inference acceleration techniques such as quantization, pruning, distillation, and TensorRT optimization.
Education:PhD / Doctorate in Software Development, Computer Science, Computer Engineering, or related technical discipline
Skills:Scientific rigorCollaborationResearch communication
Tech Stack:HadoopMapReduceSparkTensorFlowPyTorchMixed precisionDistributed trainingQuantizationPruningDistillationTensorRTSGLangRLVRMultimodal learningComputer visionNatural language processingLarge language models (LLMs)Multilingual learningUnsupervised learningSelf-supervised 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