Project Overview:

I developed a mobile fintech application that enables users to send money internationally, manage multiple currencies, and track expenses. The app focuses on providing seamless cross-border transactions with competitive exchange rates and lower fees than traditional banks.

Technical Implementation:

React Native Frontend:

- Custom navigation system with deep linking

- Biometric authentication integration

- Real-time currency conversion

- Animated transaction flows

- Offline-first architecture

- Push notification system

- Custom reusable UI components

Backend (Node.js):

- RESTful API for transaction processing

- Real-time exchange rate updates

- KYC verification integration

- Transaction history tracking

- Automated compliance checks

- Webhook handling for payment status

Supabase Integration:

- Real-time user balance updates

- Transaction logging and history

- User authentication and profiles

- Row-level security policies

- Automated backups

- Real-time activity feeds

Key Features:

1. Instant international transfers

2. Multi-currency wallets

3. QR code payments

4. Transaction scheduling

5. Spending analytics

6. Bill splitting

7. Virtual cards

8. Recurring payments

Security Features:

- End-to-end encryption

- Multi-factor authentication

- Face ID/Touch ID integration

- Transaction signing

- Fraud detection

- Device verification

Performance Metrics:

- App size: Under 15MB

- Launch time: < 2 seconds

- Transaction processing: < 3 seconds

- Offline capability: 100%

- Crash rate: < 0.1%

Integrations:

- Payment processors

- ID verification services

- Banking partners

- Currency exchange APIs

- Push notification services

- Analytics platforms

Would you like me to elaborate on any specific aspect of this project?