[English] Senior AI Engineer - Patient Health Platform (x/f/m)

Build reranking pipelines; Collaborate with ML Engineers and PMs to ship AI features; Design retrieval and ranking architecture; Ensure production latency reliability; Establish baseline prompts and RAG; Implement offline and online evaluation; Improve search relevance and ranking; Monitor and maintain AI systems; Select models for retrieval and reranking; Set up data and event feedback loops;