Qiang Liao
System Architect at Codoon.com
Chengdu, Sichuan, China
Summary
👤
Senior🎓
Top SchoolQiang Liao is a System Architect based in Chengdu with 11 years of experience designing and operating large-scale backend and search systems. He has led infrastructure and distributed-database efforts at Baidu and now drives microservice, search, ads, and user-portrait platforms at Codoon. A hands-on backend and database engineer, he contributes to the widely used open-source TiDB project, fixing core planner/executor bugs and improving error handling for SQL behaviors. Passionate about coding and mathematics, he combines deep system internals knowledge with practical product-minded engineering. Outside work he climbs toward product thinking, plays basketball and has completed a marathon—traits that reflect resilience and a taste for complex, long-term challenges.
10 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Software Engineering, Bachelor's degree, Software Engineering at Xi'an Jiaotong University
Chinese, Chinese
Github Skills (11)
tidb10
databases10
go10
database-administration10
admin10
sql10
distributed-database10
mysql10
database10
error-handling9
testing8
Programming languages (1)
Github contributions (5)
pingcap/tidb
Jul 2017 - Sep 2018
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:11 commits, 18 PRs, 57 comments in 1 year 2 months
Contributions summary:Qiang primarily contributed to fixing bugs and implementing features related to the TiDB database system's core functionalities. Their work included addressing issues with unsigned integer support in the infoschema, and resolving problems in the executor and planner modules. They also focused on implementing and improving error handling, especially for `INSERT IGNORE` and `UPDATE IGNORE` statements, leading to changes that produced warnings for duplicate key errors and truncate errors, demonstrating a deep understanding of database internals.
ai-poweredtidbserverlesshtapreal-time
CodeRushing/tidb
Jul 2017 - Sep 2018
TiDB is a distributed NewSQL database compatible with MySQL protocol
Contributions:92 pushes, 15 branches, 5 tags in 1 year 2 months
mysqltidbsqldistributed-databasetikv
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