Lemon Li
Hong Kong Island, Hong Kong, China
Summary
🤩
Rockstar🎓
Top SchoolLemon Li is a Hong Kong–based software engineer with three years of hands-on experience in back-end development and test automation, currently working at China CITIC Bank International. They contribute to high-performance open-source systems like Apache Doris, where they’ve implemented Java UDFs and Groovy-based test suites to validate time functions and query features, demonstrating a focus on data correctness and reliability. Lemon maintains an online design portfolio, reflecting a cross-disciplinary interest in both engineering and product-facing design. Comfortable working on database internals and automated testing, they bring practical experience ensuring stability in analytics systems used at scale. Their blend of banking industry exposure and notable open-source contributions suggests a pragmatic engineer who values robust, well-tested software.
3 years of coding experience
Guangdong Polytechnic Normal University
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (13)
database10
olap10
query-engine10
databases10
sql10
relational-databases10
groovy10
sql-database10
testing10
java9
datatypes9
javas9
big-data9
Programming languages (6)
Github contributions (5)
apache/doris
Jul 2022 - Jan 2023
Apache Doris is an easy-to-use, high performance and unified analytics database.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:156 reviews, 26 commits, 99 PRs in 6 months
Contributions summary:Lemon primarily contributed to testing and implementing new functionalities within the Apache Doris database system. Their commits focused on adding test cases for time-related functions (`time_add` and `time_sub`), Java UDFs, and the `WITH` clause. The work involved writing Groovy-based test scripts and creating Java UDFs to test various data types, which indicates a focus on ensuring the correctness and functionality of the database's query engine and UDF capabilities. The user's contributions include the creation of several test suites, which highlights their role in maintaining the quality and stability of the Doris codebase.
dbmsapache-dorisdbtreal-timehudi
LemonLiTree/doris
Aug 2022 - Apr 2024
Apache Doris is an easy-to-use, high performance and unified analytics database.
Contributions:417 pushes, 114 branches in 1 year 8 months
datawarehouseanalyticsdorisapache-dorissql
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