Projects

Enterprise Payment Gateway Integration

Overview

Led the integration of multiple payment vendors including American Express and Visa networks into Delta Air Lines’ enterprise payment gateway system.

Key Achievements

  • Amex Connectivity: Implemented secure connection protocols for American Express payment processing
  • Visanet Integration: Established robust Visa network integration for global payment processing
  • Scalability: Designed system to handle enterprise-scale transaction volumes
  • Security: Implemented industry-standard security protocols for payment data protection

Technical Implementation

Architecture

  • Microservices-based payment processing
  • RESTful API design for vendor integrations
  • OAuth token management for secure authentication

Infrastructure

  • AWS cloud deployment
  • Kubernetes orchestration
  • Load balancing for high availability

Impact

Improved payment processing efficiency and enabled seamless integration with multiple payment vendors, enhancing customer experience across Delta’s global operations.

Payment gateway architecture diagram

Tech used

  • Java Spring Boot
  • REST APIs
  • OAuth
  • AWS
  • Kubernetes