I think you've accurately identified why you could have those gaps. Not that you do have them, but hourly billing enterprise software "scut work" doesn't require a whole lot of CS. I wonder if the stuff on the other side of those APIs did?
'spent' == past tense. (and yes some of us have been doing this for a while ;) )
Working on large scale machine learning projects now. Couldn't be happier. And yes, I knew the answers to the questions without having to look them up. (though I suspect I'll get the Networking questions wrong.)
