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Jianguo Xu is a seasoned software engineer with extensive experience in various high-tech companies. Currently serving as a Senior Software Engineer at Xiaohongshu since January 2016, Jianguo specializes in search system development. Prior to this role, Jianguo held senior positions at Alibaba.com, focusing on data platforms and real-time big data computing, and at Baidu, Inc., where work involved advertising systems and sponsored search systems. Additionally, Jianguo gained experience as a Software Engineer at Umeng, concentrating on Android product design and development. Jianguo Xu holds a degree from Tianjin University, obtained in 2011.