Case Study: Sanlam achieves 90% faster legacy system modernisation with BBD Software

Sanlam cuts mainframe migration time by over 90% with BBD Software

Sanlam faced the challenge of modernizing its legacy mainframe systems, a process that had previously taken years of manual work. The company tasked BBD Software with testing whether AI could accelerate the migration of a specific address management system from COBOL to a modern Java Spring Boot microservice.

BBD Software implemented an AI-led solution using GitHub Copilot and the Claude 3.7 model to translate code into documentation and then generate a new API. This approach reduced the development time for migrating the core address functionality by over 90%, from two months to just 3-4 days. The results for Sanlam included improved system maintainability, preserved institutional knowledge, and a new, efficient method for future migrations.

Sanlam