Overview
Contributed to the integration and implementation of Paypack, a leading payment gateway in Rwanda, to enable seamless mobile money transactions within modern applications. The project focused on building reliable, real-time payment workflows and improving transaction handling for better user experience and business efficiency.
Key Contributions
- Integrated MTN Mobile Money and Airtel Money APIs into web and mobile applications
- Designed and implemented webhook-based systems for real-time payment status updates
- Built secure and reusable payment modules for handling deposits, withdrawals, and transaction verification
- Optimized API request handling to improve reliability and reduce failed transactions
- Collaborated on building scalable payment flows for high-traffic applications
- Implemented error handling and fallback mechanisms for network/API failures
Technical Impact
The system leverages RESTful APIs and asynchronous webhooks to manage transaction lifecycles efficiently. By implementing structured payment flows and robust error handling, the integration improved transaction success rates and ensured consistent communication between the application and mobile money providers.
Tools & Technologies
Laravel was used to build backend services, handling API communication, authentication, and transaction logic. The integration supports scalable architectures and can be embedded into both web and mobile platforms.