Wongyu Lee
Staff Engineer Server Software at Samsung Electronics
Gyeonggi, South Korea
Summary
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SeniorWongyu Lee is a Staff Engineer in server software with 8 years’ experience designing scalable, maintainable systems at Samsung Electronics, where he led a full department migration to Kubernetes and built GitOps-based preview environments. He combines deep practical knowledge of networking, async runtimes, and virtualization with a habit of turning insights from technical books into ambitious side projects—like a Rust-based Kubernetes CNI (Sinabro) with eBPF masquerading and a custom rsln netlink crate. His curiosity drives low-level experimentation, from building an epoll-based async runtime to an in-kernel Redis cache using BPF, showing a preference for systems-level solutions that push platform boundaries. At work he applies TDD and DDD to craft robust domain models and external APIs, and has operationalized multi-cluster DR, mTLS, and certificate automation across complex networks. Based in Gyeonggi, South Korea, he pairs production-grade platform engineering with research-driven side projects and is currently exploring BGP and a Rust rewrite of KubeVirt. Notably, he often implements primitives himself—preferring to build runtimes and network stacks end-to-end rather than only integrating existing libraries.
8 years of coding experience
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (105)
ebpf10
bpf10
security10
scheduling10
netlink10
k8s10
monitoring10
mesos10
go-client10
kubernetes-networking10
database10
kubernetes10
observability10
kernel10
go10
Programming languages (8)
Github contributions (5)
21kyu/algo
Oct 2022 - Nov 2022
Contributions:230 pushes in 27 days
wqld/pmz
Dec 2024 - Apr 2025
Connect local dev to Kubernetes
Contributions:9 releases, 1 review, 72 PRs in 3 months
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