Flutter-Based Financial Portfolio Management Mobile Application

SL Patrimônio is a comprehensive Flutter-based financial ecosystem that combines daily expense tracking with investment portfolio management. Features real-time integration with B3 stock exchange and cryptocurrency markets through Brapi and CoinGecko APIs. Built with offline-first architecture using Hive NoSQL database and Firebase cloud sync. Includes biometric security, multi-currency support (BRL/USD/EUR), and compatibility with Android 15 and iOS 18. The codebase follows clean architecture principles and is designed for white-label rebranding opportunities.