Junghoon Lee
Staff Engineer at Samsung Electronics
Seongnam-si, South Korea
Summary
👤
Senior🎓
Top SchoolJunghoon Lee is a Staff Engineer at Samsung Electronics with over nine years' experience specializing in IMS/VoLTE protocol stacks, SIP/SDP call signaling, and VoIP client development. He began his career building C++ VoIP clients and Android preload apps, and since 2014 has designed IMS core network proposals and implemented C-based VoLTE solutions validated across live networks and simulators. His expertise spans LTE L3, SRVCC, CSFB, and VoWiFi, enabling end-to-end voice service integration between radio and application layers. Known for pragmatic problem-solving, he combines protocol-level depth with hands-on verification in multi-vendor environments. Trained in computer engineering at Ajou University and based in Seongnam-si, he quietly pursues continuous improvement—summed up on GitHub as "Trying to do better."
9 years of coding experience
학사, Computer Engineering, 학사, Computer Engineering at 아주대학교
Github Skills (65)
java10
spring-boot10
spring10
mono10
non-blocking9
reactive9
blocking9
reactive-extensions9
spring-data-jdbc9
batch9
expressjs9
asynchronous9
kotlin9
server9
reactive-streams9
Programming languages (4)
Github contributions (5)
sjh836/TIL
Mar 2017 - Jan 2021
Contributions:123 pushes, 1 branch in 3 years 11 months
sjh836/assembly_study
Mar 2017 - Jun 2017
Contributions:8 commits, 7 pushes, 1 branch in 2 months
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