搜索推荐策略工程师（J105621）
Core
Optimize recall and ranking models in the recommendation pipeline, apply generative AI methods, and design user growth strategies to improve conversion efficiency and user activity.
Role type
Senior IC search and recommendation strategy engineer (generative AI focus)
Builds
Recommendation models, online strategy services, and offline data pipelines for user engagement
Domain
Search and recommendation systems, Generative AI, Large Language Models
Deliverable
production ML models
Required skills
Machine learning and deep learning fundamentals, Generative modeling (LLM, next-token prediction, SFT, DPO), Python, SQL, Hive/Spark, C++, A/B testing and causal inference
Preferred skills
Experience in search/recommendation or information feed systems, Proficiency with Coding Agent tools
Technologies
LR, GBDT, FM, DIN, SASRec, Two-tower, Transformer, MMOE, PLE, LLM, SFT, DPO, GRPO, Hive, Spark, C++, Linux, Git
