The Challenge
Enterprise client needed to integrate 15-year-old custom ERP with modern payment processing (Stripe). Zero documentation. Original developers gone. Proprietary database format. Payment processing costing $30K/month in manual labor.
Our Solution
Reverse-engineered legacy system over 3 weeks. Built secure API bridge in .NET Core. Integrated Stripe without touching core system. Added webhook handling for automated processing. Implemented error recovery and logging.
Results
$2M+ annual transactions processed automatically
$300K+ annual savings in manual processing
PCI compliance achieved
No disruption to existing operations