What's a job that has many job postings on Indeed that isn't retail, warehouse, or medical?

People list thousands of jobs but almost none are actually in demand. By in demand I mean many different job postings that you can find. If there is only one or two job postings and 4000 people more qualified than me apply for it then it's pointless.

The only jobs that seem to be in demand are Warehouse, retail, and medical. I can find many many postings of those jobs. What's a job that isn't in those three categories that will have many different postings.