Ray Lee
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolRay Lee is a backend software engineer with 11 years of experience building production AI systems and real-time recommendation engines, currently focused on backend work at 헤이딜러 (PRND). He previously led machine learning engineering at HYPERCONNECT where he shipped a real-time session-based match recommender (CUPID), an ML experimentation framework that sped up iterations 4x, and an LLM-driven chatbot game that reached 15K daily users. His background includes HCI/XR research at Seoul National University, where he integrated SOTA perception models into mobile MR experiences and developed 3D mesh overlay visualizations to preserve immersion. Ray holds a Master's in Computer Science from Seoul National University and pairs academic research with product-facing engineering, including published papers and multiple patents around conversational agents and low-latency recommendation. He also co-founded a tech DIY YouTube channel that gained 10K+ subscribers and collaborated with major brands, reflecting a knack for creative engineering and audience-facing projects. Colleagues describe him as a pragmatic builder who turns cutting-edge ML research into scalable, user-facing systems.
11 years of coding experience
4 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Seoul National University
Stackoverflow
1,057reputation
352kreached
1answer
0questions
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top-5%
Github Skills (57)
pytorch10
python10
graph10
stable-diffusion10
ai10
backend10
markdown9
border9
ruby8
jekyll8
static-site-generator7
blog-engine7
background-fetch7
tmux7
android-workmanager7
Programming languages (9)
Github contributions (5)
raysuhyunlee/dotfiles
Apr 2015 - Jun 2026
Contributions:22 pushes, 1 branch in 11 years 4 months
KongdoleProduction/RoboticArmController
Dec 2017 - Sep 2019
Contributions:12 commits, 10 pushes, 2 branches in 1 year 9 months
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