Heechang Ryu
Staff Software Engineer at Samsung Research
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolHeechang Ryu is a Staff Software Engineer with 12 years of experience, leading generative AI and reinforcement learning initiatives at Samsung Research in Seoul. He directs alignment and preference-optimization efforts for foundation models (100B+ parameters) and has led hyperscale code-generation training, including RL from linter feedback and Text-to-SQL specialization. His background spans robot control, voice-assistant personalization using multi-armed bandits, and embedded Android TV navigation modules, reflecting a rare blend of applied research and production engineering. He holds a Ph.D. in Industrial and Systems Engineering from KAIST, combining rigorous academic methods with pragmatic system-building. Known to work proactively—per his GitHub motto—he often synthesizes textbook-quality datasets to scale LLM training pipelines and drive measurable model alignment.
12 years of coding experience
Ph.D. Industrial and Systems Engineering, Ph.D. Industrial and Systems Engineering at Korea Advanced Institute of Science and Technology
English, Korean
Github Skills (33)
google-chrome10
dom10
opera9
testing9
microsoft-edge9
browserstack9
web-platform9
safari9
snippet9
gecko9
browser9
test-runner9
blink9
firefox9
w3c9
Programming languages (4)
Github contributions (5)
uprise-fin/heybit-walk-svelte-ui
Jun 2024 - Sep 2024
Contributions:11 PRs, 144 pushes, 14 branches in 3 months
hckang80/RESUME
Jan 2022 - Nov 2024
Contributions:74 pushes, 5 branches in 2 years 11 months
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