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Machine Learning Engineer, Recommendation, Alliance E-Commerce

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

Core

Build and design large-scale machine learning algorithms to model real-time creator interests, optimize product recommendation ranking and recall, and improve conversion efficiency and GMV for TikTok's e-commerce platform.

Role type

Senior IC machine learning engineer (recommendation systems)

Builds

Real-time recommendation models, ranking systems, and creator/merchant analytics tools

Domain

E-commerce, Content recommendation

Deliverable

production ML models

Required skills

Machine learning theory, Matrix factorization, GBDT, LTR, Word2vec, DIN, Deep&Wide, Python, C++

Preferred skills

XGboost, TensorFlow, Caffe

Responsibilities

Model real-time creator interests to improve conversion efficiency; Optimize commodity relationship mining and ranking for product recommendations; Analyze creator and merchant behavior to build targeted algorithm strategies; Support rapid development of e-commerce business models.

Seniority

Mid-level, hands-on IC

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