Haoyu Zhai
Senior Software Development Engineer at The Apache Software Foundation
Sunnyvale, California, United States
Summary
🤩
Rockstar🎓
Top SchoolHaoyu Zhai is a Senior Software Development Engineer with nine years of experience building and optimizing search systems, currently based in Sunnyvale and working at Uber. He has deep expertise in Lucene-based search, evidenced by contributions to Apache Lucene—improving interval query logic and adding deterministic index tooling—and leadership roles as a Lucene Committer and PMC member. Haoyu has driven search performance improvements at Amazon and progressed to senior engineering roles at LinkedIn before joining Uber, blending low-level search internals with production-scale delivery. He holds a Master’s in Computer Science from UIUC and a multicontinental academic background, reflecting both rigorous training and adaptability. A less obvious strength is his focus on deterministic indexing and reproducible search behavior, which helps teams build more reliable, debuggable search platforms.
9 years of coding experience
6 years of employment as a software developer
Australian National University中学 N/A, 中学 N/A at Beijing No.4 High SchoolMaster's degree Computer Science, Master's degree Computer Science at University of Illinois Urbana-ChampaignThe University of Melbourne
Github Skills (10)
algorithm10
data-structures10
javas10
algorithms10
search-engine10
information-retrieval10
data-structure10
java10
searching9
backend9
Programming languages (5)
Github contributions (5)
zhaih/lucene
May 2021 - Sep 2024
Apache Lucene open-source search software
Contributions:155 pushes, 28 branches in 3 years 3 months
solrapachesynonymssearch-enginelucene
zhaih/luceneutil
Apr 2021 - Oct 2024
Contributions:45 pushes, 9 branches in 3 years 6 months
testingperformance-testsperformanceutility-scriptslucene
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