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Modernization and Enhancement of Multi-Platform Fintech Payment Gateway Application
  1. case
  2. Modernization and Enhancement of Multi-Platform Fintech Payment Gateway Application

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Modernization and Enhancement of Multi-Platform Fintech Payment Gateway Application

capitalnumbers.com
Financial services
eCommerce
Retail
Hospitality & leisure

Current System Limitations and Growth Requirements

The existing payment gateway application requires continuous maintenance, legacy system modernization, and feature enhancements to ensure uninterrupted transaction processing. Key challenges include system stability issues, scalability constraints, lack of transaction analytics capabilities, and the need for real-time payment collection mechanisms across multiple communication channels.

About the Client

Fintech platform providing payment processing solutions for merchants across multiple industries

Strategic Modernization Goals

  • Enhance system robustness and error resilience
  • Implement scalable architecture for growing user base
  • Improve code quality and maintainability
  • Add advanced analytics and transaction visualization
  • Enable multi-channel payment collection capabilities
  • Optimize cross-platform performance across devices

Core System Capabilities

  • Interactive analytics dashboard with transaction graphs
  • Customizable merchant storefront branding
  • Real-time payment link distribution via email (SendGrid)
  • SMS-based payment collection (Amazon SMS API)
  • Multi-platform UI optimization (iOS/Android/Web)
  • Automated recurring payment processing
  • Transaction monitoring and error diagnostics

Technology Stack Requirements

Swift
Objective-C
Java
Laravel

External System Integrations

  • SendGrid Email API
  • Amazon SMS API
  • NMI Payment Gateway
  • Sage Pay
  • Cardstream

System Quality Attributes

  • High-availability architecture for 24/7 transaction processing
  • Real-time performance monitoring
  • Enterprise-grade security for financial transactions
  • Cross-platform UI consistency
  • Automated error detection and self-healing capabilities
  • Scalable infrastructure for concurrent users

Business Value Outcomes

The modernized platform will enable merchants to process payments with 99.9% reliability, reduce transaction processing time by 40%, and provide actionable business insights through analytics. The enhanced communication channels will increase payment collection efficiency by 60% while the scalable architecture will support 10x user growth without performance degradation.

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