推荐算法工程师-Ranking与分发策略（北京/上海）
Core
Build and optimize personalized ad and recommendation systems for short dramas and comic dramas on Douyin and Douyin Lite, covering cold start, recall, coarse ranking, fine ranking, and mixed ranking.
Role type
Senior IC recommendation algorithm engineer (ranking & distribution strategy)
Builds
Personalized ad and recommendation systems for short dramas and comic dramas
Domain
Entertainment (short dramas, comic dramas) + Machine Learning
Deliverable
production ML models
Required skills
Machine learning, deep learning, reinforcement learning, feature engineering, C++, Python, TensorFlow, PyTorch, distributed data processing (Spark, Hive)
Preferred skills
Large language models (LLM), generative AI, recall-coarse-fine integration, parameter server, model structure optimization, compute optimization
Responsibilities
Optimize business metrics (GMV, CVR, user consumption time), process massive user behavior and content data, implement cutting-edge technologies to solve business pain points
Seniority
Senior, hands-on IC