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Machine Learning Engineer Graduate (Data-Global E-Commerce-Search) - 2027 Start (PhD)

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

Core

Developing TikTok's advanced search algorithm for global e-commerce using large-scale machine learning, NLP, CV, and multi-modal technologies to serve over a billion monthly users.

Role type

PhD Graduate Machine Learning Engineer (Search & Recommendation)

Builds

Search core algorithm, relevance ranking, and multimodal search features for TikTok's e-commerce platform.

Domain

E-commerce, Search, Large-scale Machine Learning, NLP, Computer Vision

Deliverable

production ML models

Required skills

Search algorithms, Information Retrieval, Ranking, Recommendation systems, NLP, Multimodal learning, Large Language Models (LLM), Data Mining, Machine Learning systems

Preferred skills

Publications/preprints/patents in search or ML, Large-scale distributed systems, Online experimentation, Vector search, Semantic retrieval

Technologies

LLM, NLP, CV, Distributed systems, Vector search

Responsibilities

Apply cutting-edge NLP and CV to match relevant videos for search queries; Model user behavior to increase personalization in search; Develop new retrieval, ranking, and relevance evaluation methods; Translate research ideas into scalable product improvements.

Seniority

Early-career PhD Graduate, hands-on IC

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