Developed and published cross-platform Flutter mobile applications for financial transactions and business management on both iOS App Store and Google Play. Applications feature Sunmi thermal printer integration for receipt generation and real-time transaction processing.
Built full-featured Flutter apps from design to deployment on both iOS and Android
Integrated Sunmi printer SDK for thermal receipt printing functionality
Implemented Firebase authentication and real-time database synchronization
Debugged and resolved Android/iOS build pipeline issues including Firebase config and provisioning profiles
Fixed file picker integration issues across both platforms
Managed app store submissions and updates for both Apple App Store and Google Play
Successfully published on both iOS App Store and Google Play
Sunmi thermal printer integration for business receipts
Cross-platform codebase with platform-specific native integrations
Firebase backend for real-time data sync
Robust error handling and offline-first architecture