(It helped that my failed startup, while financially a failure, was cool and helped me demo a lot of advanced coding skills. :)
But I did run into a personal problem: after being a startupper, I found it very hard to transition back into working for someone else. In the end I had to sit down and be honest with myself: did I want to start another startup right now or did I just want a paycheck? I decided-- for the time being-- on the latter. So I had to swallow a bit of the radical self-direction I'd become accustomed to and decide to work for my employer since that's the deal.