Dongho Cha
Principal Engineer at Samsung Semiconductor
Hwaseong-si, South Korea
Summary
👤
Senior🎓
Top SchoolDongho Cha is a Principal Engineer at Samsung Semiconductor with over 11 years in advanced logic and process technology development and more than two decades of industry experience. He holds a PhD in Electrical Engineering from UCLA and an MS in Physics from POSTECH, combining deep academic rigor with hands-on R&D leadership across Process Architecture, Foundry services, and System LSI. Dongho specializes in leading-edge integration, module process development, and yield enhancement for nanosheet GAA and FinFET nodes, has driven multiple successful product projects, and holds several patents. He partners closely with major semiconductor customers to translate device-level innovation into manufacturable solutions and has a track record of improving reliability and scalability at node transitions. Beyond device R&D, he contributes to high-profile open-source networking projects like Envoy and ONOS—bringing backend and DevOps improvements and device-driver enhancements—illustrating a rare blend of semiconductor physics and systems engineering. Based in Hwaseong-si, South Korea, he is passionate about pushing transistor architecture limits while optimizing real-world production yield.
11 years of coding experience
13 years of employment as a software developer
Bachelor of Science - BS, Physics, Bachelor of Science - BS, Physics at Sungkyunkwan UniversityDoctor of Philosophy - PhD, Electrical Engineering, Doctor of Philosophy - PhD, Electrical Engineering at UCLA (University of California at Los Angeles)Master of Science - MS, Physics, Master of Science - MS, Physics at POSTECH
English, Japanese
Github Skills (21)
udp10
networking10
java10
cicd10
cnc10
javas10
go10
device-driver10
build-automation10
cloud-native10
c-language9
dockers9
aries9
docker9
netconf9
Programming languages (5)
Github contributions (5)
envoyproxy/envoy
Aug 2020 - Sep 2020
Cloud-native high-performance edge/middle/service proxy
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:48 reviews, 14 commits, 13 PRs in 1 month
Contributions summary:Dongho primarily contributed to the Envoy proxy's back-end and build infrastructure. The commits demonstrate expertise in fixing bugs related to UDP listener functionality, ensuring proper resource cleanup, and implementing features for the UDP proxy. Furthermore, the user focused on improving the build system by fixing selective testing and custom Docker image builds, demonstrating DevOps proficiency. The user also updated the documentation to correct minor typos and formatting issues.
nanoservicesmore-catsgolangcontainersproxy
opennetworkinglab/onos
Apr 2018 - Jan 2020
Open Network Operating System
Role in this project:Back-end Developer
Back-end DeveloperContributions:30 commits in 1 year 9 months
Contributions summary:Dongho primarily contributed to the ONOS project, focusing on enhancing device drivers and link discovery functionalities. They added features to the Arista driver, including port annotations and device description discovery. Furthermore, they worked on Juniper driver, incorporating controller configuration and port type implementation. Additionally, the user made improvements to the link discovery provider by refactoring the code and fixing issues related to link creation.
ospfopenflowbazeloperating-systemnfv
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