Jihun Ko
Sr. Software Engineer at Coupang
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolJihun Ko is a senior software engineer based in Seoul with 8 years of experience building scalable backend systems using Kotlin/Spring and TypeScript/Node.js, currently working on Search and Display Ads at Coupang. He has a strong track record shipping production services across startups and large products—from bootstrapping an AI marketing SaaS and migrating serverless architectures to Kotlin+gRPC, to improving UX-critical endpoints at Zigzag with multilingual and microservice backends. Comfortable across the full stack, he maintains side projects and front-end features, bringing product-minded engineering to each role. He also focuses on cost-efficient, observable systems, having implemented serverless optimizations and logging dashboards at Riiid. Trained in computer science with a minor in industrial design from KAIST, he blends technical rigor with user-centric thinking to turn ideas into reliable, shipped products.
8 years of coding experience
5 years of employment as a software developer
Bachelor's degree Computer Science(major) / Industrial Design(minor), Bachelor's degree Computer Science(major) / Industrial Design(minor) at Korea Advanced Institute of Science and Technology
Stackoverflow
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Github Skills (59)
sqlite10
mysql9
mariadb9
xlsxwriter9
editor9
postgresql9
cockroachdb9
electron9
javascript9
visual-studio-code9
typescript9
typeorm9
orm9
nodejs9
sql-server9
Programming languages (11)
Github contributions (5)
lopun/dotfiles
Dec 2018 - Aug 2024
My Dotfiles Including Vimrc setting :)
Contributions:15 pushes, 1 branch in 5 years 9 months
vimsettingtmuxneovimdotfiles
sparcs-kaist/paper-web
Jul 2018 - Aug 2018
Apply service - made by using Vue
Contributions:21 commits, 39 PRs, 153 pushes in 27 days
vue
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