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

San Jose, United States of America💼 Full-time🗓 2026-09-28

Core

Building shared Recommendation Foundation Models using event-sequence-driven generative paradigms integrating LLMs/VLMs, multimodal understanding, and reinforcement learning.

Role type

PhD-level Research Scientist / Machine Learning Engineer (Generative Recommendation)

Builds

Next-generation recommendation systems (retrieval, ranking, end-to-end generative) powered by foundation models

Domain

E-commerce, Large Language Models, Multimodal AI, Generative AI

Deliverable

production ML models

Required skills

PhD in CS/EE/Math/Statistics, Machine Learning, Deep Learning, LLMs, Generative Recommendation, Python, PyTorch

Preferred skills

Pre-training/Mid-training/Post-training of LLMs, Multimodal semantic tokenization, Publications at NeurIPS/ICML/ICLR/ACL/EMNLP/NAACL, Technical competitions

Technologies

PyTorch, LLMs, VLMs, Reinforcement Learning

Responsibilities

Participate in full training lifecycle of Recommendation Foundation Models (pre/mid/post-training), Design and train multimodal semantic tokenizers, Develop LLM-native recommendation, Build next-gen recommendation systems spanning retrieval, ranking, and generative recommendation

Seniority

PhD, Research & Engineering

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