Dongsung Kim
IT-Security Expert at Security Office
Seoul, South Korea
Summary
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Rockstar🎓
Top SchoolDongsung Kim is an IT-security expert and seasoned software engineer with 14 years of experience blending user-facing product development and pragmatic security practice from Seoul. He has delivered scalable backends and DevOps for high-traffic services—optimizing systems to handle hundreds of millions of records and millions of daily page views—while also triaging bug bounties and finding real-world vulnerabilities. His toolkit spans NestJS/Node, Python/Flask, React, AWS, and observability tools like Datadog, and he has hands-on experience reverse-engineering login protocols to both break and harden systems. Comfortable in legacy codebases and fast-moving product teams, he uniquely prioritizes usability without compromising security. A high-achieving Sungkyunkwan University alumnus, he combines academic rigor with practical red-team insight to ship resilient, privacy-aware features.
14 years of coding experience
6 years of employment as a software developer
Bachelor's degree, Computer Engineering, Undergraduate: 4.04/4.5, Graduate: 4.1/4.5., Bachelor's degree, Computer Engineering, Undergraduate: 4.04/4.5, Graduate: 4.1/4.5. at Sungkyunkwan University
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Github Skills (200)
extendscript10
http10
cracking10
recovery10
render10
ruby10
typesetting10
specification10
web-development10
password-recovery10
opencl10
fundamentals10
javascript10
gpgpu10
linux10
Programming languages (19)
Github contributions (5)
kiding/DSCapture.framework
Feb 2012 - Feb 2016
Contributions:11 commits, 1 push in 4 years 1 month
mac-osmacos-xmacosscreen-capture
kiding/mga.kiding.net
Mar 2016 - Dec 2023
Contributions:1 release, 4 pushes, 1 tag in 7 years 10 months
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