Launched browsing history and autocomplete for millions of Fire TV users, working cross-functionally with UX and product. Validated via A/B experimentation.

Delivered Safe Browsing for Silk on Vega OS, removing Chrome dependency while preserving performance and UI continuity.

Onboarded WebView to next-gen Fire OS platforms for tablet and TV, aligned with modern Android/AOSP standards.

Led full migration of Silk infrastructure to AWS-native architecture. Improved CI/CD to increase reliability and developer efficiency across all Fire releases.

Built REST APIs and MuleSoft workflows to streamline data exchange between SAP and Salesforce systems.

Reinforcement learning agent that learned to play Mario autonomously — sparked my curiosity about the gap between AI capability and human impact.

Built a photo menu site for English-speaking teachers who couldn't read the Korean cafeteria menu. My first lesson in how small design decisions shape daily life.