Hongzhi Shi
Chief Technology Officer at Shanghai yudu information technology co., LTD. (subsidiary of JOYY Inc.)
Hangzhou City, Zhejiang, China
Summary
👤
Senior🎓
Top SchoolHongzhi Shi is a seasoned technology leader and CTO with 15 years of experience building scalable web and backend systems from Hangzhou. He led product and engineering efforts at NetEase Youdao—founding and developing collaborative tools and web/mac clients—and now drives technology strategy at a JOYY subsidiary. A hands-on backend and database engineer, Hongzhi has contributed performance-focused vectorized execution improvements to TiDB, a prominent open-source distributed SQL database. He combines practical system optimization expertise with product-facing experience, shipping both developer infrastructure and end-user applications. Outside work he’s an avid cyclist and marathoner, a discipline that informs his steady, performance-oriented approach to engineering and team leadership.
15 years of coding experience
4 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Zhejiang University
English
Github Skills (11)
go10
database-administration10
distributed-database10
sql10
admin10
back-end-development10
mysql10
database9
expression9
databases9
cloud-native8
Programming languages (8)
Github contributions (5)
pingcap/tidb
Sep 2019 - Dec 2019
TiDB - the open-source, cloud-native, distributed SQL database designed for modern applications.
Role in this project:
Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:27 commits, 34 PRs, 56 comments in 2 months
Contributions summary:Hongzhi implemented vectorized evaluations for numerous built-in string, time, and JSON functions within the TiDB database. These changes included modifying code for functions such as `builtinRightSig`, `builtinLeftSig`, `builtinTrim1ArgSig`, and others. The contributions focused on enhancing performance by leveraging vectorized execution strategies across various functions. Additional contributions involve improvements related to compression and uncompression functions and other areas in database functionality.
ai-poweredtidbserverlesshtapreal-time
shihongzhi/tidb
Sep 2019 - Dec 2019
TiDB is an open source distributed HTAP database compatible with the MySQL protocol
Contributions:111 pushes, 33 branches, 7 tags in 3 months
mysqltidbdistributed-databasetikvdatabase
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