Payment Processing Microservices
Engineered a PCI-compliant payment processing system handling $50M+ in annual transactions with distributed microservices architecture.
The Challenge
Build a secure, compliant payment gateway that can handle peak transaction volumes with zero data loss and sub-second processing.
The Solution
Implemented hexagonal architecture with event-driven design, created circuit breakers for fault tolerance, built comprehensive monitoring with DataDog, and implemented PCI-DSS compliant data handling.
Results & Impact
Achieved 99.99% uptime across 2 years
Zero fraudulent transactions through ML detection
Process 100K+ transactions daily
Average settlement time reduced to 2 seconds
Technologies Used
Project Info
Backend
2022
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