Jeongseok Son
Member Of Technical Staff at OpenAI
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolJeongseok Son is a Member of Technical Staff at OpenAI with 12 years of experience building cloud-native infrastructure and distributed systems. He has a strong research-to-production pedigree from roles at Google, UC Berkeley's RISELab, and Microsoft Research, focusing on privacy-preserving networking, SmartNIC offload for distributed ML, and scalable cloud services. His open-source contributions to Envoy include advanced HTTP/3, QUIC, and CONNECT-UDP work—improving Datagram support and protocol options—which reflect deep protocol and systems-level expertise. He’s delivered measurable resource savings at cloud scale (e.g., driving major efficiency gains in an Azure VPN project) and bridges programming-language techniques like symbolic execution with practical security tooling. Based in San Francisco, he combines academic rigor with hands-on engineering to ship robust, high-performance infrastructure for large-scale AI services.
12 years of coding experience
11 years of employment as a software developer
Master of Science - MS (Discontinued PhD) Computer Science, Master of Science - MS (Discontinued PhD) Computer Science at University of California, BerkeleyStudent Exchange Program Computer Science, Student Exchange Program Computer Science at University of Illinois Urbana-ChampaignBachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Korea Advanced Institute of Science and Technology
Korean, English, Chinese
Github Skills (10)
http10
c-language10
cprogramming-language10
quic10
network-programming9
test-automation8
docker4
kubernetes4
dockers4
kubernetes-pods4
Programming languages (3)
Github contributions (5)
envoyproxy/envoy
Feb 2023 - Sep 2024
Cloud-native high-performance edge/middle/service proxy
Role in this project:
Back-end Developer
Back-end DeveloperContributions:67 reviews, 17 PRs, 161 comments in 1 year 7 months
Contributions summary:Jeongseok primarily focused on enhancing the HTTP/3 and CONNECT-UDP capabilities of the Envoy proxy. They implemented features related to HTTP Datagrams, including Capsule Protocol handling and integration with QUIC streams. Their work also involved fixing issues in the CONNECT-UDP forwarding mode, adding a new QUIC protocol option for maximum packet length, and addressing object lifetime issues. Additionally, they contributed to documentation and performed code updates by updating QUICHE library to the latest versions.
nanoservicesmore-catsgolangcontainersproxy
jeongseokson/dotfiles
Jan 2015 - Jul 2022
Contributions:64 commits, 50 pushes, 1 branch in 7 years 7 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.