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Machine Learning Engineer, Commerce Ads Ranking

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

Core

Optimize model in TikTok's ads delivery system to improve monetization efficiency through full-funnel model optimization and universal modeling solutions.

Role type

Senior IC machine learning engineer (ads ranking)

Builds

Ads delivery system components including recall, rough sort, and fine sort modules

Domain

E-commerce advertising and recommendation systems

Deliverable

production ML models

Required skills

C++, Python, data structures and algorithms, machine learning (FM, LR, GBDT, DNN, Wide&Deep), feature engineering, multi-task learning, sequence modeling, large-scale distributed training, GPU tuning

Preferred skills

Publications in KDD/NeurIPS/SIGIR, experience in data mining/ML competitions, advertising/recommendation/search ranking work experience

Technologies

LLM, Generative Recommendation, Mixture of Experts

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