Role
Mobile Developer
Stack
- Frontend: React Native
- Backend: Ruby on Rails
- DB: PostgreSQL
What I Built
- Implemented QR code generation and scanning for merchant checkout.
- Built a transaction history feed with real-time status updates via WebSockets.
- Added biometric authentication (Face ID / fingerprint) for payment confirmation.
- Integrated a sandbox payment gateway for end-to-end testing.
- Configured Nginx to redirect all HTTP requests to HTTPS for enhanced security.
- Developed a payments API to automatically apply discounts to transactions based on predetermined criteria.
- Integrated the Stripe Tax API into existing subscription workflows.