> The strain comes from context switching. From 9:00 AM to 5:00 PM, I had to care deeply about our quarterly goals and production stability. Then, from 6:00 PM to midnight, I had to care about inverting binary trees and system architecture design.

We really need to stop the tech interview nonsense.

Here is an experienced, practicing software engineer, who can't get a job without drilling for and performing frat hazing rituals.