Legacy Modernization
Case Study 2
Case Study: Legacy Modernization Services - Upgrading AngularJS to Angular 11 for Enhanced Healthcare IT Platform

Company Background

Sasaran Technologies partnered with a prominent healthcare industry IT and financial services provider. The company encountered operational bottlenecks within its AngularJS-based multi-module system, necessitating an upgrade to Angular 11 for improved performance and user experience.


Manufacturer of pharmaceutical devices

Technology Adopted


Challenges Faced

The company grappled with challenges during the migration process, including navigating complex functionality and architecture disparities between AngularJS and Angular. The team also had to identify suitable alternatives for legacy AngularJS tools, manage user resistance to new designs, and ensure seamless data transfer from the legacy system.

Our Approach

Sasaran Technologies tackled these challenges with a systematic approach:
  1. Business Logic Alignment: Our team meticulously aligned the business logic with the target system’s architecture, bridging the gap between AngularJS and Angular’s distinct architectural patterns.
  2. Tool Substitution: We carefully selected compatible libraries to facilitate smooth migration while enabling easier maintenance on the new Angular 11 platform.
  3. User Acceptance Strategy: We devised a comprehensive plan to enhance user acceptance of the new application designs, ensuring a seamless transition for end-users.
  4. Data Migration Strategy: Our team adopted an incremental approach to transfer data, minimizing operational disruptions and ensuring data integrity during the migration.


  1. Enhanced Performance: The upgraded Angular 11 system delivered improved performance, contributing to a higher Return on Investment (ROI) for the client.
  2. Streamlined Software Structure: The client received a quality product with a streamlined software structure, complete documentation, and efficient maintenance procedures.
  3. Reduced Maintenance Costs: Faster bug resolution and reduced errors led to lower maintenance costs, enhancing operational efficiency.
  4. User Satisfaction: The seamless migration strategy and enhanced UI/UX design resulted in improved user satisfaction and increased productivity.