Younghyun Ju
풀스택 개발자 at Lukuku
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolYounghyun Ju is a Seoul-based full-stack developer with nine years of professional experience and three years focused on modern Node/Nest and Java/Spring backends alongside Python/Django and React front-ends. Currently at Lukuku, he delivers SI projects that incorporate up-to-date technologies, and previously led AI and big data government initiatives at Geomin System. He brings practical embedded and security expertise from open-source work on an ESP32 HomeKit implementation—adding HTTP daemons, SRP authentication, TLV handling, and crypto to make a secure IoT accessory. Trained originally in architectural engineering, he combines systems thinking with hands-on software craftsmanship to bridge hardware, backend, and UI concerns. Known for tackling protocol and security challenges, he’s comfortable shipping end-to-end, production-ready solutions.
9 years of coding experience
학사, Architectural Engineering, 학사, Architectural Engineering at 서울시립대학교
Github Skills (9)
c1710
security-protocol10
esp3210
iot10
mongoose10
homekit10
c1110
wolfssl10
http9
Programming languages (5)
Github contributions (5)
younghyunjo/esp32-homekit
Oct 2017 - Jul 2018
ESP-32 implementation of Apple Homekit Accessory Protocol(HAP)
Role in this project:
Back-end Developer & Embedded Systems Engineer / IoT Developer
Back-end Developer & Embedded Systems Engineer / IoT DeveloperContributions:116 commits, 7 PRs, 74 pushes in 8 months
Contributions summary:Younghyun primarily contributed to the implementation of an ESP32-based HomeKit accessory. Their work involved adding and integrating modules such as the HTTP daemon, TLV (Type-Length-Value) encoding/decoding, Secure Remote Password (SRP) authentication, and cryptographic libraries for secure communication. These changes suggest a focus on core functionality for establishing a secure, HomeKit-compatible device, with significant work on network protocols and security-related features.
homekit-accessory-protocolesp-32homekithaphome-automation
younghyunjo/kata
Jan 2019 - Oct 2023
Contributions:10 pushes, 1 branch in 4 years 10 months
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