15-year Full Stack Developer
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About Me
Hello! I am a 15-year Full Stack Developerwho has been developing since 2011 and has experienced various projects.
Currently, I am developing at Entryfor 10 years and
specialize in Node.js-based web application development.
I prioritize user experience and fun developmentto create meaningful services.
- Current focusImproving platform reliability across FE/BE/infra.
- Key impactExpanded accessibility through offline and hardware-linked projects.Related code
- CollaborationPrefer documentation-first and review-centered communication.
Projects & Experience
Featured Projects
Entry
N Tech ServicesKorea's largest coding education platform that allows anyone to easily learn coding through block-based programming.
Problem
Needed stable performance and scalability for a large education platform.
Role
Worked on full stack development and operational quality improvements.
Solution
Optimized Node.js/Next.js services and cache/real-time flows.
Result
Improved long-term reliability while expanding core features.
Impact
- • Long-term operation (2017-present)
- • Core platform service usage
Entry Offline
Entry Education Research InstituteDeveloped an offline version of the Entry coding education platform using Electron. Significantly improved educational accessibility by enabling block coding learning without internet connection. Ported web-based Entry to desktop application, providing the same user experience in offline environments.
Problem
Needed a consistent learning experience without internet access.
Role
Designed and built the desktop offline app.
Solution
Ported web features to Electron with local storage and packaging.
Result
Enabled offline block coding and improved accessibility.
Impact
- • Operated 2015~2020
- • Offline learning support
Entry Hardware
Entry Education Research InstituteDeveloped desktop applications using Electron to connect Entry with various hardware such as Arduino and Micro:bit. Connected educational hardware and software to enable physical computing education.
Problem
Needed easy hardware integration for education scenarios.
Role
Implemented hardware connectivity in desktop app.
Solution
Integrated serial communication modules for multiple devices.
Result
Enabled physical computing education with reliable links.
Impact
- • Operated 2015~2019
- • Multiple hardware support
More Projects
Entry
Entry Education Research InstituteKorea's largest coding education platform that allows anyone to easily learn coding through block-based programming.
AheadOne
AheadOneResponsible for developing various web applications and mobile services.
Questions about the work or collaboration proposals are welcome.
Discuss a projectSkills
Technologies organized with real project context.
Primary in the last 12 months
Stacks most frequently used in recent work.
Node.js
BackendNext.js
FrontendTypeScript
LanguageReact
FrontendMongoDB
DatabaseRedis
CacheDocker
DevOpsKubernetes
DevOpsHands-on experience
Applied in production or real projects.
Electron
DesktopSocket.io
RealtimeOpenSearch
SearchElasticsearch
SearchTailwind
StylingGit
Version ControlJavaScript
Languagen8n
AutomationPlaywright
TestingTone.js
AudioHowler.js
AudioLearning
Currently exploring and experimenting.
WebAssembly
LanguageRust
LanguageComfyUI
AIOllama
LLMSupabase
BaaSHugging Face
MLSend Message
kimorkim@gmail.com
Location
Seongnam, South Korea