This custom POS system was designed for a religious store in a church in Surabaya, providing seamless transaction recording, shift tracking, and invoice printing. Unlike standard POS apps, this system features a unique shift management function, where staff record opening and closing cash balances at the register for accurate financial tracking.

Shift Management – Tracks opening and closing cash balances for accountability.

Transaction Tracking – Records sales history for transparency.

Product Management – Organizes and updates product lists with ease.

Multiple Payment Methods – Supports various payment options for flexibility.

Thermal Printing via Bluetooth – Connects to Bluetooth printers for instant invoice printing.

🎯 System Flow & UI/UX Design – Created an intuitive interface for seamless transactions. 📱 Frontend Development with Flutter – Built a high-performance, responsive POS system. ⚡ State Management with Riverpod – Ensured smooth user interactions and real-time updates. 🔗 API Integration – Implemented internal APIs for secure data handling. 🛠 Bluetooth Thermal Printer Support – Resolved outdated package issues by modifying and adapting the library for newer Flutter SDK versions.

Accurate Shift Tracking – Enabled clear financial accountability for store staff.

Seamless Transactions – Improved checkout speed and record-keeping.

Efficient Invoice Printing – Enabled fast and reliable receipt generation.

This project transformed store operations by digitalizing transactions, enhancing shift accountability, and ensuring smooth invoice printing—a powerful upgrade from manual record-keeping! 🚀