As far as overlap goes, I strongly prefer working nights anyway. And you could get around a lot of legalities by hiring as a consultant and billing per hour, a friend of mine runs a company that I've occasionally worked through.
I honestly don't know why I even bothered to answer, but something about your post felt right and my intuition has served me well so far.
I'm afraid I don't have much backend stuff to show, as most of it is owned by respective customers. Privately I've mostly been designing my own scripting language embedded in Go [0] lately.
[0] https://github.com/codr7/gfoo
