Qilin Chen
Staff Software Engineer at Commonwealth Bank
Sydney, New South Wales, Australia
Summary
👤
Senior🎓
Top SchoolQilin Chen is a Staff Software Engineer based in Sydney with 11 years of experience building backend systems, databases, and test frameworks across finance and real-estate domains. Proficient in Java and Python and fluent with Spring, Hibernate, Flask/Django, and Oracle/MySQL/PLSQL, Qilin has delivered scalable, production-grade services and automation at organizations including Commonwealth Bank, Macquarie Group, and CoreLogic. He pairs strong backend and database expertise with practical front-end skills (Kendo UI, Bootstrap, jQuery) and solid DevOps practices using Git, Docker and Linux deployments. An active contributor to Apache Trafodion, he implemented SQL COMMENT functionality and improved metadata handling and error management—demonstrating attention to low-level DB engine details beyond typical application work. Known for translating complex requirements into reusable designs, he also brings hands-on experience building data validation and autotest frameworks in Python for large data loads.
10 years of coding experience
10 years of employment as a software developer
Master of Information Technology, Master of Information Technology at University of NewcastleMaster of Information Technology Advanced Internet Programming, Master of Information Technology Advanced Internet Programming at University of Technology Sydney
Chinese, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
databases10
big-data10
c-language10
cprogramming-language10
apache10
sql10
database10
Programming languages (5)
Github contributions (5)
apache/trafodion
Nov 2017 - Mar 2018
Apache Trafodion
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 commits, 5 PRs, 17 comments in 4 months
Contributions summary:Qilin contributed significantly to the Apache Trafodion project by implementing and refining the `COMMENT ON` SQL statement functionality. Their work included adding new SQL syntax, component privileges, and modifications to metadata tables, including views and column comments. The user added support for sequence and column comments to the `SHOWDDL` output and refactored the code, including error handling and memory management, within the `CmpSeabaseDDL` and `CmpDescribe` components. The modifications also touched upon SQLCI support and escaping single quotes within comment strings.
dbmsapachebig-datasparknetwork-server
EEDY/trafodion
Nov 2017 - Nov 2021
Mirror of Apache Trafodion
Contributions:2 PRs, 27 pushes, 4 branches in 4 years 1 month
flink-sqlapachebig-datanetwork-serverjava
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