One of Germany’s largest municipal housing companies (70,000+ units) manages apartments, parking, commercial spaces, cooperative shares and savings, internet packages, staff data, and more. The core platform was an AS/400 with many separate systems—migrated once after reunification and then maintained largely by hand.
On more than 300 hectares, one of Europe’s largest solar parks is being built—clean, future-proof energy for up to 350,000 households. The ambition wasn’t just capacity. It was control: orchestrate dozens of contractors, thousands of...