This sounds like a flashback to J2EE. Which I know is still alive and well. Banks, insurance companies and the tax agency do not much care for fancy new stuff, but that it works.
Yep, Fortune 500 enterprise consulting, boring technology that pays the bills.
Java, .NET, C++, nodejs, Sitecore, Adobe Experience Manager, Optimizely, SAP, Dynamics, headless CMSes,...
I describe these techs like garbage trucks. No one likes to see them but they’re there every day doing a decent part of what it takes to hold society together hah.