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Developed at Becom (Aug 2024 — Feb 2025)

Voucher POS Android Application

Voucher Purchasing with POS Integration

Built and maintained a voucher purchasing application with POS integration, enabling users to buy local and international vouchers with real-time redemption. Completed at Becom as a production-grade delivery.

Key Features

  • POS and E-Wallet system integration
  • Real-time voucher redemption via QR code scanning
  • Native Kotlin integration with Sunmi POS library
  • RESTful API integration with structured error handling
  • Secure JWT authentication with encrypted storage
  • Transaction and e-wallet dashboard
  • Unit testing using Mocktail and Bloc_test packages

Tech Stack

Flutter Dart Kotlin REST APIs Firebase JWT Bloc Mocktail Bloc_test