June 2026 → Ongoing
Member app and back office for a women-only gym & pilates studio in Yogyakarta — class booking, QR check-in that deducts session credits, membership and expiry tracking, push notifications, and in-app payment with a native QRIS flow via Xendit. Flutter app rewritten from React Native, on a NestJS + PostgreSQL API. Live at wondher.mkwiro.online.