May 2026 → Ongoing
Flutter point-of-sale app used daily by ~1,000 beauty consultants across Android, iOS & Web. Full-online architecture, Riverpod state management, thermal-printer receipts, per-reseller stock, tiered pricing, and a loyalty/coin wallet — backed by the Next.js + PostgreSQL platform. On Google Play and the App Store; web build live at pos.drwskincare.com.