Improved system performance and scalability by migrating to .NET 7 and modernizing core modules

PNC Bank

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Improved system performance and scalability by migrating to .NET 7 and modernizing core modules

Modernized a financial application for PNC Bank by migrating from legacy .NET to .NET 7, optimizing APIs, and enhancing core modules for better performance and scalability.

95% Test Coverage

70% Automation Rate

90% Defect Detection

About the Client

PNC Bank is a leading financial institution providing banking, lending, and asset management services across the United States.

Business Context

The application was built on a legacy .NET framework, resulting in slower performance, limited scalability, and increasing maintenance effort. A system upgrade was required to improve responsiveness, support growing user demand, and ensure compatibility across integrated financial modules.


Challenges

1

Performance limitations in legacy system

Existing architecture led to slow response times and reduced efficiency in handling user requests.

2

Scalability constraints with increasing user load

The system struggled to support growing users and external integrations.

3

Compatibility issues during module migration

Multiple interconnected modules required seamless migration without breaking functionality.

4

Risk of disruption during system upgrade

Ensuring continuity for existing users while modernizing the system was critical.

Solutions We Implemented

Migrated application to .NET 7 architecture

Upgraded the system to a modern framework to improve performance, maintainability, and long-term support.

Redesigned Covenant module for efficient tracking

Enhanced core module to streamline borrower activity tracking and improve usability.

Optimized APIs and backend processes

Improved response times by restructuring API calls and backend workflows.

Ensured seamless integration across modules

Maintained compatibility with systems like Insurance and Portfolio during migration.


Impact

Improved system performance and response time

Optimized architecture reduced latency and improved overall efficiency.

Enabled scalability for increased users and integrations

System could support higher load and external vendor integrations.

Reduced maintenance complexity with modern architecture

Migration to .NET 7 simplified updates and long-term system management.

Enhanced user experience across internal and external users

Improved responsiveness and module usability increased operational efficiency.

Tech Stack Used

.NET 7

A modern, high-performance framework powering scalable enterprise applications.

SQL Server

Enterprise-grade relational database built for reliability and transactional integrity.

Playwright

End-to-end testing framework ensuring consistent behavior across browsers.

The Covenant module significantly improved system performance and usability. The application is now more scalable and efficient for both internal teams and external partners.

PNC Bank