Yuandong Xu
Senior Technical Specialist at DiDi
Beijing, China
Summary
👤
Senior🎓
Top SchoolYuandong Xu is a Senior Technical Specialist with 14 years of experience building web-scale search, advertising, and recommendation systems across leading internet platforms. He combines deep expertise in large-scale machine learning, ranking/recall/reranking pipelines, and ML infrastructure with strong systems coding skills in C/C++, Python, and Java. His work has repeatedly driven measurable business impact—most notably a 450% CTR improvement at Sina Weibo and production e-commerce ad/recommendation engines at Temu and Disney+ Hotstar. Comfortable moving models from research to delivery, he also architected real-time streaming feedback, anti-fraud, and nearline/offline training systems that improved ad quality and latency. Based in Beijing, he pairs a Peking University master’s background with a practical focus on production reliability and data-driven experimentation.
14 years of coding experience
7 years of employment as a software developer
Master, Computer Science, Master, Computer Science at Peking UniversityBachelor's degree, Electrical and Electronics Engineering, Bachelor's degree, Electrical and Electronics Engineering at Zhejiang University
Chinese, English
Stackoverflow
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Github contributions (5)
xuyuandong/academic_parser
Feb 2013 - Dec 2013
Contributions:6 commits in 10 months
xuyuandong/parallel_sentence_mining
Feb 2013 - Dec 2013
Contributions:2 commits in 10 months
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