Modernizing Legacy Financial Systems for Scalability and Compliance

Modernizing Legacy Financial System

Industry
Financial Services

Technologies
Java, Angular, AWS, Docker,

About Our Client

Our client is a well-established financial institution based in North America, offering banking and investment services to millions of customers. With a legacy core banking system that had been in place for over a decade, they sought to modernize their infrastructure to meet evolving customer expectations and regulatory requirements.

Challenge

The client faced several pressing challenges with their legacy systems:

  • Performance Bottlenecks: Slow transaction processing affects customer experience and operational efficiency.
  • Scalability Issues: Inability to handle increasing transaction volumes during peak times.
  • Regulatory Compliance: Outdated system architecture struggled to keep pace with stringent regulations such as PCI DSS and GDPR.
  • Maintenance Overheads: High costs and complexity are involved in maintaining legacy infrastructure.
  • Limited Agility: Difficulty in implementing new features rapidly, impacting competitiveness.

Solution

Celestial Infosoft partnered with the client to architect and implement a comprehensive modernization strategy focusing on scalability, security, and compliance.

Key Deliverables:

  • Legacy System Assessment & Strategy: Thorough audit to identify pain points and modernization roadmap.
  • Microservices Architecture: Breaking the monolithic system into scalable, independent services using Spring Boot and Docker containers.
  • Cloud Migration: Transitioned core banking applications to AWS cloud infrastructure with Kubernetes orchestration for flexible scaling.
  • Security Enhancements: Implemented advanced encryption, secure APIs, and compliance checks aligned with PCI DSS and GDPR standards.
  • Data Migration & Integration: Seamless data transfer with minimal downtime, ensuring integrity and availability.
  • Continuous Integration/Continuous Deployment (CI/CD): Automated pipelines enabling faster and safer releases.

Project Highlights

  • Reduced transaction processing times by 40%
  • Achieved seamless scalability to handle 3x peak traffic
  • Fully compliant with PCI DSS and GDPR
  • Cut operational maintenance costs by 30%
  • Enabled rapid feature deployment with CI/CD pipelines

Results

  • Significantly improved customer satisfaction through faster and more reliable services
  • Enhanced regulatory compliance, minimizing the risk of penalties
  • Greater operational efficiency and reduced downtime
  • Future-ready platform allowing integration of emerging financial technologies

Technologies and Tools

  • Backend: Java, Spring Boot, Docker, Kubernetes
  • Frontend: Angular
  • Database: PostgreSQL
  • Cloud: AWS (EC2, EKS, RDS)
  • DevOps: Jenkins, GitLab CI/CD
  • Security: OAuth2, TLS encryption, PCI DSS compliance tools

Client Feedback

“Celestial Infosoft’s expertise helped us completely transform our legacy banking platform. Their strategic approach to modernization not only improved our system’s performance and compliance but also positioned us strongly for future innovation.”

– Client Says