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Modernization of Legacy Credit System through Microservices Architecture
  1. case
  2. Modernization of Legacy Credit System through Microservices Architecture

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Modernization of Legacy Credit System through Microservices Architecture

scalosoft.com
Financial services
Information technology

Legacy System Limitations Hindering Digital Transformation

The client's monolithic credit system architecture created operational rigidity, making it difficult to rapidly deploy new features, scale efficiently, or maintain system stability. This legacy structure prevented the organization from meeting modern consumer expectations for seamless digital banking experiences and agile service delivery.

About the Client

One of the largest global retail banking institutions focused on digital transformation of financial products and services

Strategic Modernization Goals

  • Refactor monolithic architecture into scalable microservices
  • Enable faster innovation cycles for credit-related features
  • Improve system stability and fault tolerance
  • Establish standardized processes for monitoring and maintenance
  • Support 24/7 service availability during digital banking operations

Core System Modernization Requirements

  • Microservices-based credit processing architecture
  • Containerized deployment using Docker
  • Real-time credit schedule configuration interface
  • Event-driven communication via Apache Kafka
  • Responsive Angular frontend for user interactions

Technology Stack Requirements

Docker
Spring Boot
Angular
Apache Kafka
Java 11+

System Integration Needs

  • Legacy banking core systems
  • Customer identity verification services
  • Real-time payment gateways
  • Enterprise monitoring solutions

Operational Requirements

  • Horizontal scalability for peak transaction loads
  • 99.99% system availability SLA
  • End-to-end encryption for financial data
  • Automated CI/CD pipeline for microservices
  • Comprehensive logging and distributed tracing

Expected Business Transformation Outcomes

The modernized microservices architecture will enable 3x faster feature deployment cycles, support 50% higher transaction throughput during peak periods, and reduce system downtime by 80%. This transformation will position the institution to rapidly respond to market demands while maintaining strict regulatory compliance and operational excellence in credit services delivery.

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