Architected and built a mission-critical, offline-first Point of Sale (POS) and table management desktop application for hospitality businesses. Built with Tauri v2, native Rust, React 18, and SQLite, delivering sub-millisecond local query speeds and 100% uptime without internet. Features live floor table tracking, ESC/POS hardware thermal receipt printing, automated cash drawer triggers, waiter shift accountability reports, and bi-directional Firebase cloud synchronization for remote management and analytics.