推荐算法工程师（商城）-抖音电商
Core
Design and optimize personalized recommendation systems for Douyin's e-commerce feeds, live streaming, and core shopping scenarios serving hundreds of millions of daily users across multiple apps.
Role type
Senior IC machine-learning engineer (recommendation systems)
Builds
Production recommendation algorithms and systems for e-commerce feeds and live streaming
Domain
E-commerce, Deep Learning, Large-scale Recommendation Systems
Deliverable
production ML models
Required skills
C++, Python, TensorFlow, PyTorch, Deep Learning, Collaborative Filtering, Word2Vec, LR, DNN, Wide&Deep, Transformer, User Behavior Sequence Modeling, Multi-task Learning, Cross-domain Multimodal Learning, Large Language Models (LLM), Scaling Law
Preferred skills
Experience in search, recommendation, or advertising, Publications in top-tier ML conferences (KDD, NeurIPS, etc.), Data mining/ML competition experience
Responsibilities
Optimize recall, ranking, and re-ranking mechanisms in recommendation systems; Analyze massive user data to improve algorithm efficiency; Research and improve cold-start and value fusion mechanisms; Explore and implement large model technologies (LLM4Rec) in industrial recommendation scenarios.
Seniority
Senior, hands-on IC