legacy
system
modernisation

Lead Developer

Led the transformation of legacy healthcare systems for a major UK health insurer. Modernised multiple PHP applications, implemented new booking interfaces, and established a robust microservices architecture to support future scalability.

challenge and solution

The Challenge

Multiple legacy PHP systems running critical healthcare operations needed modernisation while maintaining continuous service.

The Approach

Implemented a phased migration strategy, gradually upgrading systems while building new microservices architecture.

The Outcome

Successfully unified disparate systems into a modern, maintainable platform with improved performance and user experience.

key highlights

System Architecture

Designed and implemented microservices architecture with modern tech stack

User Experience

Rebuilt booking interfaces with focus on speed and usability

Technical Debt

Eliminated legacy codebase while maintaining business operations

key takeaways

Technical Migration

  • PHP 5 to 8 upgrade strategy
  • Microservices implementation
  • Database optimisation
  • API standardisation

Project Management

  • Stakeholder communication
  • Risk mitigation planning
  • Team coordination
  • Change management
key impacts

Unified multiple booking pathways into single interface

Reduced system maintenance overhead

Improved platform stability and performance

Enhanced security and compliance measures

tech stack

Legacy Stack

PHP 5jQuery

Modern Stack

PHP 8React

Data & Search

MySQLManticore Search

DevOps & Cloud

AWSJenkinsNginx
more info