[itamarst]

It sounds like you've just had bad jobs. Measuring by 15 minute increments is crazy. It's quite possible to work sane hours (I even wrote a book about it: https://codewithoutrules.com/saneworkweek/).

How about visiting https://www.keyvalues.com, seeing which things interest you, and see what companies meet your interests? As others have said, there's huge amount of variety in jobs and companies.