Upgrade Perfex CRM (v2.8.4 & v2.9.3) to Latest Version with Customizations

Introduction I currently have two versions of Perfex CRM: Version 2.8.4 Version 2.9.3 Both versions have been heavily customized in several core areas. I now require an upgrade of these versions to… (Budget: $750 – $1500 USD, Jobs: CI/CD, Codeigniter, CRM, Database Management, Git, MySQL, Performance Tuning, PHP, Software Architecture, Web Development)