Geonhun Kim
Backend Engineer at NAVER WEBTOON
Seoul, South Korea
Summary
🤩
Rockstar🎓
Top SchoolGeonhun Kim is a backend engineer based in Seoul with 10 years of experience building robust, production-ready services and a current focus on global settlement systems at NAVER WEBTOON. He has hands-on expertise in cloud-native and serverless platforms, contributing meaningful back-end improvements to the well-known Apache OpenWhisk project—optimizing container CPU allocation, proxy/message handling, and core refactors. His background includes practical startup-style product development through SW Maestro, where he helped launch a consumer service that reached 11k users and strong retention, and an internship at 당근마켓 honing Rails experience. Geonhun blends systems-level performance tuning with product-minded delivery, often resurfacing non-obvious efficiencies in container and messaging layers. He holds a computer engineering degree from Seoul National of Science and Technology and maintains an active GitHub presence for ongoing contributions.
10 years of coding experience
학사, 컴퓨터공학과, 학사, 컴퓨터공학과 at 서울과학기술대학교
Github Skills (16)
javas10
functions-as-a-service10
serverless10
apache10
back-end-development10
java10
scala10
message-queue9
dockers9
docker9
rest-api8
kubernetes8
api-rest8
kubernetes-pods8
restful-api8
Programming languages (7)
Github contributions (5)
apache/openwhisk
Nov 2018 - Jun 2021
Apache OpenWhisk is an open source serverless cloud platform
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 reviews, 10 commits, 21 PRs in 2 years 7 months
Contributions summary:Geonhun primarily focused on improving the Apache OpenWhisk serverless platform by modifying core back-end components. Their work involved refactoring code, such as removing unnecessary comments and moving ack implementations to a common package. They also optimized performance, limiting the minimum CPU share allocated to containers based on memory allocation. Additionally, they made changes to the container proxy and message-handling logic, further contributing to the robustness of the system.
serverless-cloudfunctionsserverlessapachedocker
naver/openwhisk-intellij-plugin
Apr 2020 - Apr 2021
Open-source Intellij Plugin for Apache OpenWhisk
Contributions:7 releases, 3 reviews, 26 commits in 1 year
serverlessapacheapache-openwhiskintellij-pluginopenwhisk
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