Junsoo Lee
Seoul, Korea, Republic of
Summary
🤩
RockstarJunsoo Lee is a seasoned software engineer based in Seoul with nine years of experience building scalable server-side systems across gaming, cloud backup, and capital markets. He has deep expertise in backend microservices, AWS-driven architectures, and infrastructure-as-code, having improved S3 backup performance at Clumio/Commvault and operated large-scale game services at Devsisters. Currently developing OTC derivatives clearing and regulatory reporting systems at KOSCOM, he blends low-latency server engineering with rigorous compliance and financial domain knowledge. Junsoo also brings practical security and blockchain insights from penetration testing and cryptocurrency exchange work, and early ML exposure from a Nota AI internship. Known for shipping pragmatic, production-ready features—like metering/reporting microservices and event systems for high-download games—he pairs hands-on coding with cross-team collaboration and operational ownership.
9 years of coding experience
Github Skills (35)
linux-kernel9
linux9
dwarf7
filterlist7
ublock-origin7
rust7
compiler6
elf6
compiler-design6
debugging6
git6
filter5
parsing5
github5
python5
Programming languages (9)
Github contributions (5)
junsooo/linux-insides-kor
Feb 2019 - Mar 2019
A little bit about a linux kernel
Contributions:17 commits, 16 pushes, 1 branch in 23 days
linux-kernel
junsooo/CTFs
Feb 2017 - Apr 2018
Contributions:16 pushes, 1 branch in 1 year 1 month
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.