Hanseul Choi

Led multiple web projects for major clients like SAMSUNG Electronics, earning direct recognition for smooth, efficient interactive motion. Boosted code stability by 30-40% through AI-assisted refactoring, driven by relentless attention to detail and a strong ability to dig deep into complex problems until fully resolved.

Senior Front-End Developer - Hivelab Corp. - South Korea

(2020-11 - 2026-04)

Led projects of up to 5 developers for 2 years, managing timelines and conducting code reviews.

• SAMSUNG Electronics – Galaxy XR: Leveraged AI tools (GitHub Copilot, Claude Sonnet, ChatGPT, Gemini) to eliminate legacy code and improve readability through systematic refactoring, while using AI to validate and accelerate debugging after independently identifying root causes — cutting issue resolution time by ~30-40%.
• SAMSUNG Electronics – Galaxy XR: Built an AI-assisted Python tool that scraped messenger history and autosynced attachments into Notion, cutting file history retrieval time by ~30%.
• SAMSUNG Electronics – Galaxy Z Flip4 Bespoke Studio: Built the Favorite component — implementing a heart-tap-to-save interaction with custom animation, storing saved model data in session storage under a `savedDesigns` key, and syncing state across components (including Shuffle Component) via a callback-based pattern.

Bachelor of Computer Science - Computer Science - Kyonggi University (2013 - 2018)