Sangheon Kim
San Francisco, California, United States
Summary
🤩
RockstarSangheon Kim is a Principal Member of Technical Staff at Oracle with 11 years of engineering experience focused on JVM HotSpot garbage collectors and performance. He transitioned from mobile and embedded systems—designing lightweight Java UI frameworks, device access APIs, and porting Java ME and browsers to constrained hardware—bringing deep systems-level expertise in C, C++ and Java. Based in California, he blends low-level optimization skills with production-grade JVM engineering to improve startup and memory behavior in modern Java runtimes. Notably, his background in commercializing Java ME across diverse mobile platforms and integrating WebKit on embedded stacks gives him a rare cross-domain perspective on resource-constrained runtime design.
12 years of coding experience
Github Skills (7)
openjdk10
jvm10
java10
eclipse6
notice4
openj94
kotlin1
Programming languages (1)
Github contributions (5)
sangheon/jdk
Dec 2020 - Apr 2025
JDK main-line development
Contributions:35 pushes, 109 branches in 4 years 5 months
javajvmjdk
sangheon/jdk17u
Sep 2022 - Jun 2024
Contributions:2 pushes in 1 year 9 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.