Yoonchul Koh
IOSエンジニア at 株式会社トレタ
Chiyoda, Japan
Summary
👤
Senior🎓
Top SchoolYoonchul Koh is an experienced iOS engineer with 13 years in the software industry, blending server-side expertise in Java and Ruby with hands-on client development for iPhone and iPad. After many years of client-site system integration work, he now leads iPhone app development for new services at a major e-commerce company while working at 株式会社トレタ. He has architected scalable systems—such as a drive logger backend supporting 5,000 concurrent clients and MySQL write-distribution using SPIDER—and led platform improvements like svn→git migration and automated deployments with Capistrano. Comfortable switching between backend and mobile roles, he also drives knowledge-sharing initiatives including internal talks, study groups, and a company reading club. With a business degree focused on IT solutions, he combines pragmatic engineering with team leadership and operational sensibility.
13 years of coding experience
8 years of employment as a software developer
経営学士, ITソリューション学科, 経営学士, ITソリューション学科 at ビジネス・ブレークスルー大学
Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (45)
react8
touches8
android8
linux8
raycast8
windows8
slack-bot8
ios8
react-native8
cross-platform7
mobile6
chartjs6
bitrise5
chartjs-plugin5
vuejs25
Programming languages (6)
Github contributions (5)
yoonchulkoh/HockeyNokogiri
Dec 2014 - Jan 2015
Contributions:12 commits, 5 pushes in 1 month
yoonchulkoh/xcassets_exporter
Jun 2016 - Dec 2017
Contributions:7 pushes, 1 branch, 5 tags in 1 year 6 months
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