India Office • Serving Enterprise & Global Clients Worldwide|Strategy • Design • Engineering • Cloud • Security
Fintech SoftwareGlobal Financial Services Provider (Verified Project Scope)
Fintech Payment Orchestration & Smart Routing Engine
Stabilized payment authorization success rates across international transaction corridors while maintaining strict PCI-DSS compliance.
The Challenge & Operational Constraints
The client experienced transaction drop-offs due to regional payment gateway downtime and unoptimized fallback routing, resulting in revenue loss during peak trading hours.
PCI-DSS Level 1 audit requirement
Sub-200ms latency requirement per payment request
Zero-downtime database migration
Engineering Solution & Architecture
Designed and deployed a microservice payment gateway aggregator with intelligent fallback routing, multi-currency ledger management, and real-time fraud scoring.
Architecture Blueprint Summary
Event-driven Node.js backend using Redis for rate-limiting and temporary idempotency key locking, coupled with an encrypted PostgreSQL transactional store and Next.js merchant portal.
Security & Quality Measures
Tokenized credit card payload handling with AWS KMS key rotation
Mutual TLS (mTLS) authentication between payment nodes
Immutable database audit log for regulatory compliance