Changhui Lee is an applied ML engineer with 13 years of software engineering experience based in South Korea, currently building ML-driven features at Wanted Lab. He has a strong track record of performance-focused rewrites and systems work—rewriting an image resize service in Go for a 5x speedup, tuning OpenSearch for production search, and implementing live streaming with AWS MediaLive. Changhui spans front-end and back-end domains, having built scalable virtual scrolling using a balanced binary search tree, led in-house streaming and design system efforts, and developed traffic-control queueing with Go, Redis, and Kubernetes. He also has experience improving developer experience through TypeScript-driven type inference and automating CI/CD and deployment pipelines. Known for pragmatic engineering and a creative streak (his GitHub motto, "fool to dream machine to dust," hints at a playful, experimental approach), he favors measurable performance gains and robust production systems.
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