Case Study: Optimizing Legacy Systems for a Mid-Market Enterprise

Overview

• Client: Anonymous Manufacturing Company
• Industry: Manufacturing / Supply Chain
• Project Duration: 4 months
• Team Size: 3 engineers
• Technologies: Java 8 → Java 17, Spring Boot, PostgreSQL, Redis, Docker

The Challenge

The client was running a 10-year-old Java application that handled their entire supply chain management. The system suffered from:

Business Context

• Legacy system causing 2-3 day delays in order processing
• Maintenance costs consuming 40% of IT budget
• Unable to integrate with modern e-commerce platforms
• Security vulnerabilities in outdated frameworks

Technical Challenges

• Performance: Page load times >8 seconds
• Scalability: System crashed during peak seasonal demand
• Technical Debt: 10,000+ lines of deprecated code
• Database: Monolithic MySQL database with no indexing strategy
• Deployment: Manual FTP uploads with no version control

Our Solution

We proposed a phased optimization approach rather than a complete rewrite, minimizing business disruption.