All projects

All-in-one English self-learning web app with a 6-month curriculum (180 lessons), Local-First IndexedDB architecture, integrated Gemini AI Coach & AI Practice Arena, Flashcard SRS, selection lookup, and WebRTC P2P sync.

Real-time P2P encrypted file and text sharing web application via WebRTC DataChannel, zero-knowledge E2EE with Web Crypto API, backpressure flow control, and Web Worker acceleration.

An all-in-one aquaculture platform. Owned the end-to-end Eshop journey, News/Community feed, and Warehouse Management; co-developed the Laboratory Management system.

Document digitization app with login, task notifications, document scan/capture, upload, backend analysis result review, and confirmation flow.

Health management app for examination history, daily indicators, trend charts, body map visualization, video guidance, and profile management.

Image metadata management concept with a high-performance ObjectBox local schema for metadata, time markers, and device watermarking.

Android tracking application with background service logic, Android Manifest configuration, and location delivery through Telegram API/SMS.

Private enterprise app for sales activity management, retail location tracking, check-in, attendance, and employee sales performance.

Business card management application for storing customer/partner information and sharing contact information via QR code.