Next-Gen PCI-DSS Compliant High-Frequency Payment Gateway
Processing over $45M in monthly transactions with sub-100ms authorization latency.
1. The Challenge & Problem Statement
Hapgain's existing legacy PHP payment gateway struggled during high-volume flash sales, experiencing transaction timeouts and security compliance bottlenecks.
2. The Engineered Solution
We re-architected the payment engine into a distributed Node.js + Go microservices ecosystem with PCI-DSS Level 1 compliance, automated tokenization, and multi-acquiring bank failover.
3. System Architecture & Topology
Event-driven architecture utilizing Apache Kafka for transaction queueing, Node.js worker pools, Redis cluster for session locks, and encrypted PostgreSQL shards on AWS.
Technologies Deployed
"The team at Viraat Systems delivered an engineering masterpiece. Our gateway handled peak Black Friday traffic effortlessly without a single dropped packet."