Fintech platform providing US credit cards and remittance services for customers in Algeria.
Project Outcome
$1 million in transactions in first month
MasterWalletUS provided financial services for people in Algeria, giving customers access to US credit cards and enabling remittances to relatives back home.
As founding engineer, I needed to build a production-ready fintech application from scratch in 4 weeks. The platform had to handle real money transactions securely and scale to handle high transaction volumes.
Built using Next.js with server-side rendering. Implemented MySQL for transaction data with ACID compliance. Used Redis for caching and BullMQ for reliable background job processing. Deployed on Vercel for automatic scaling.
Built with Next.js App Router for optimal performance
Implemented secure authentication and authorization
Created transaction processing pipeline with BullMQ
Used Redis for caching and real-time data
Designed normalized database schema in MySQL
Implemented audit logging for all transactions
Built admin dashboard for monitoring and management
US credit card access for Algerian customers
Remittance services to Algeria
Real-time transaction processing
Admin dashboard with analytics
Processed $1 million in transactions in first month
Zero security incidents or data breaches
Business later closed due to Algerian regulatory changes