hellozrh
Software Engineer
Mars, Auvergne-Rhône-Alpes, France
Summary
🤩
Rockstarhellozrh is a Software Engineer with nine years of experience specializing in backend development, Java tooling, and SQL/PLSQL grammar work. Based on notable open-source contributions, they fixed nuanced Excel parsing bugs and strengthened unit tests in the widely used Hutool Java utilities, and expanded PlSql grammar support in the ANTLR grammars-v4 repository to handle complex DDL and JSON/query features. Comfortable working at the intersection of database semantics and robust file-processing systems, they bring pragmatic QA discipline alongside feature implementation. Located in Auvergne-Rhône-Alpes (Mars), France, they combine a playful personal voice with serious technical results. Colleagues can expect a detail-oriented engineer who improves reliability through test-driven fixes and deeper parsing/grammar insights.
9 years of coding experience
Github Skills (14)
apache-poi10
plsql10
unit-testing10
javas10
parser10
parsing10
sql10
parse10
database-design10
java10
antlr10
testing10
database-administration9
json9
Programming languages (5)
Github contributions (5)
antlr/grammars-v4
Dec 2022 - Jan 2023
Grammars written for ANTLR v4; expectation that the grammars are free of actions.
Role in this project:
Back-end Developer / Database Engineer
Back-end Developer / Database EngineerContributions:15 reviews, 3 commits, 44 PRs in 25 days
Contributions summary:Hellozrh contributed significantly to the `antlr/grammars-v4` repository, primarily focusing on enhancing and supporting the PlSql grammar. Their work included implementing features like creating, altering, and dropping database objects (roles, views, database links, dimensions, and databases), as well as supporting functions such as JSON object and all/any/some subqueries. They also addressed several bugs and added example files to illustrate their implementations. The user's changes indicate strong database and SQL grammar expertise.
grammarparser-generatorabstract-syntax-treeexpectationgrammars
chinabugotech/hutool
Aug 2022 - Aug 2022
🍬A set of tools that keep Java sweet.
Role in this project:Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:2 commits in 1 day
Contributions summary:Hellozrh primarily focused on improving the Hutool library's functionality related to Excel processing. They addressed a bug where row handlers were repeatedly executed for blank rows in Excel files. Furthermore, the user contributed to the test suite by adding and enhancing unit tests to ensure the correct behavior of the Excel sax reader and related methods. The changes involved modifications to the Sax reader and ExcelUtilTest, demonstrating expertise in handling Excel file formats and implementing robust testing strategies.
utilkeephutooljavajson
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