Sangwon Hong
Software Engineer at 에스코어(S-Core)
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolSangwon Hong is a software engineer based in Seoul with nine years of experience building backend systems and performance tooling across startups, research labs, and enterprise teams. He has strong systems and profiling expertise—contributing to open-source projects like uftrace and perf where he implemented tracing features, TUI enhancements, and robust error handling. His background includes graduate research at POSTECH and practical work on inference servers and chatbot backends, evidencing a blend of research rigor and product-focused engineering. Comfortable moving between C/C++/Rust toolchains and backend services, he brings a pragmatic focus on reliability and performance. Colleagues know him for digging into low-level bugs (buffer overflows, versioning issues) and shipping maintainable fixes that improve observability.
9 years of coding experience
6 years of employment as a software developer
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at Pohang University of Science and TechnologyBachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at Soongsil UniversityHigh School Diploma, Chinese Language, High School Diploma, Chinese Language at 서울외국어고등학교(Seoul foreign language high school)
Korean, English
Github Skills (10)
c1710
function-call10
c1110
tracer10
trace10
debug8
debugging8
makefile7
rust7
python5
Programming languages (11)
Github contributions (5)
namhyung/uftrace
Nov 2017 - Jul 2022
Function graph tracer for C/C++/Rust/Python
Role in this project:
Back-end Developer
Back-end DeveloperContributions:14 reviews, 21 commits, 15 PRs in 4 years 8 months
Contributions summary:Sangwon primarily contributed to the `uftrace` project by implementing and refining tracing functionalities. Their work includes modifying code to use `pr_out` for output, adding error handling for file operations, and modifying macro identifiers in header files. Additionally, they made updates to the TUI, including adding the `-h` option, customizing fields in graph and report modes, and fixing buffer overflow issues. They also addressed issues related to versioning within the program.
cpprusttracingfunction-graphtrace
qpakzk/problem-solving
Feb 2017 - Mar 2025
Contributions:123 pushes, 1 branch in 8 years 2 months
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