Chao Ai
Database Engineer
Hangzhou City, Zhejiang, China
Summary
👤
Senior🎓
Top SchoolChao Ai is a database engineer with 11 years in software development, combining a decade of Java expertise with eight years focused on database product development across top Chinese tech firms including ByteDance, Tencent, Huawei, and Alibaba. He designs and operates large-scale database and O&M systems, drives performance improvements for cloud database products, and standardizes dev-ops and SRE workflows to boost team efficiency. Comfortable across Golang, Java, middleware, Big Data and fullstack work, he blends hands-on backend engineering with product and project decision-making. An active contributor to the popular antlr/grammars-v4 project, he improved CQL parsing for Apache Cassandra—demonstrating attention to language-level correctness that benefits downstream database tooling. Based in Hangzhou, he pairs a master’s in computer software theory with a pragmatic focus on maintainable, production-ready systems.
11 years of coding experience
9 years of employment as a software developer
Bachelor's degree, Applied Physics, TOP 2%, Bachelor's degree, Applied Physics, TOP 2% at Chongqing UniversityMaster Degree, Computer Software and Theory, Master Degree, Computer Software and Theory at University of Electronic Science and Technology of China
Chinese
Github Skills (7)
cql10
parser10
parsing10
parse10
antlr10
mysql9
json8
Programming languages (11)
Github contributions (5)
antlr/grammars-v4
Apr 2020 - Dec 2020
Grammars written for ANTLR v4; expectation that the grammars are free of actions.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 4 PRs, 10 comments in 7 months
Contributions summary:Chao primarily contributed to enhancing the CQL parser for Apache Cassandra. Their work included implementing features like JSON keyword support, empty braces in update statements, and nested tuples within insert statements. They modified the CqlParser.g4 and CqlLexer.g4 files, along with examples, to reflect these updates. The contributions demonstrate a focus on improving the parsing capabilities and functionalities of the grammar.
antlrgrammars
caiski/ipgeo
Apr 2015 - Dec 2018
Contributions:16 commits, 22 pushes, 2 branches in 3 years 9 months
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