Independently developed feature storage engine which supports fast realtime feature.

worked at adverting infra team in bytedance company supporting all adversting business on all bytedance's apllications. The team has two main job. Firstly, we built a adverting business-middle-plateform(recall, ranking, creativity, bidding). Secondly, we built a tech-middle-plateform(indexing, embedding retrieve, feature engine, deep learning performance optimization.)

worked at E-commerce application(小鹅拼拼).focused on search system architect and transaction system architect.

Participated in building a search advertising system from 0 to 1, including recall, sorting, and strategy modules.The main work are focused on recall module (QueryUnderstanding, Indexing, Retrieval) and relevance module.