The largest back ends don’t want you to know what they’re running. It’s a competitive advantage. Name a Fortune 500 and most have Z or Power. Many have both. I

The largest back ends don’t want you to know what they’re running. It’s a competitive advantage. Name a Fortune 500 and most have Z or Power. Many have both. It just works. That’s what they care about. As an example, the back end of most pharmacy companies use a software package that evolved from a product named Catamaran. It’s not on what you’d assume it’s on: https://www.hireitpeople.com/resume-database/87-sql-developers-resumes/258675-rxclaim-production-support-iseries-as400-specialist-resume-richardson-texas https://www.hireitpeople.com/resume-database/87-sql-develope...