Jeeeyul Lee

Chief Research Engineer at eclipse.or.kr

Seoul, South Korea
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Summary

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Senior
🎓
Top School
Jeeeyul Lee is a seasoned software engineer and research leader with 13 years of professional experience and roughly 30 years of programming practice that began in childhood. As Chief Research Engineer at Tomato System, he designs and builds compilers, code editors, debuggers and WYSIWYG tools for Eclipse and VSCode, blending deep tooling expertise with practical product delivery. He maintains active ties to the Korean developer community as operator of eclipse.or.kr and runs an independent iOS app venture, Kakoong Lab. An open-source contributor, he added Korean localization and meridiem parsing to the widely used moment.js library—demonstrating attention to internationalization and testing. Grounded in a Computer Science degree from Andong National University, Jeeeyul pairs long-term hands-on craft with research-minded system design.
code13 years of coding experience
book공학사, Computer Science, 공학사, Computer Science at Andong National University
languagesKorean, English
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Stackoverflow

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Github Skills (20)

datetime10
javascript10
date-manipulation10
internationalization10
datetimes10
manipulation10
lang10
localization10
dates10
anylanguage10
eclipse-plugin9
watchkit9
eclipse9
apple-watch6
cocoapods6

Programming languages (5)

TypeScriptJavaC++JavaScriptRuby

Github contributions (5)

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moment/moment

Dec 2013 - Dec 2013

Parse, validate, manipulate, and display dates in javascript.
Role in this project:
userLocalization / Internationalization Specialist
Contributions:6 commits in 2 days
Contributions summary:Jeeeyul primarily focused on adding Korean language support to the `moment/moment` library. Their contributions involved implementing meridiem parsing for Korean, adding test cases to validate the functionality, and fixing test failures. The user also addressed code style issues and removed unnecessary flags from the code.
validationnpm-packagejavascriptnodejsdates
jeeeyul/swtend

Feb 2014 - Apr 2022

xtend libraries for SWT
Contributions:126 commits, 6 pushes in 8 years 3 months
xtendswt
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Jeeeyul Lee - Chief Research Engineer at eclipse.or.kr