김기오 Kim
Back End Developer at LINE
Seoul, South Korea
Summary
🤩
Rockstar🎓
Top School김기오 Kim is a seasoned back-end and systems engineer with 15 years of experience specializing in Linux kernel and cloud infrastructure, currently building time-series storage at LINE using Go and Rust. He brings deep expertise in OpenStack, Kubernetes, NVMe-over-TCP and VM performance tuning, with measurable wins like doubling network throughput and halving memory overhead in production. A long-time Linux kernel contributor, he has authored and debugged drivers and block-layer patches (rnbd/rtrs, mdadm) and led in-house kernel CI/CD and regression testing. Comfortable across C, Rust and Python, he blends low-level systems craftsmanship with cloud-native engineering and performance optimization. He also maintains community-facing learning projects—roadmaps and quick guides for low-level and Rust programming—demonstrating a commitment to mentoring the next generation of systems developers.
15 years of coding experience
18 years of employment as a software developer
Master's Degree, Computer Engineering, Master's Degree, Computer Engineering at Sungkyunkwan University
English, Korean
Github Skills (74)
programming-language10
firmware10
low-level10
in-memory-database10
bigtable10
low-level-programming10
embedded10
operating-system10
rust-lang10
system-programming10
nosql10
linux-kernel10
data-model10
paradigms10
bitmaps10
Programming languages (7)
Github contributions (5)
gurugio/rust-for-linux
Dec 2022 - Oct 2023
Adding support for the Rust language to the Linux kernel.
Contributions:4 PRs, 51 pushes, 7 branches in 10 months
kernelrustsystem-programminglinuxlinux-kernel
gurugio/linuxdeveloptip
Aug 2020 - Sep 2022
Contributions:33 commits, 145 pushes, 1 branch in 2 years 1 month
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