Well it's not too late to go to a larger place :). I've found it isn't that different, especially when they are a few years before IPO. AirBNB has a really small engineering team for their size too and are very web heavy.
If I was going to do a small startup again, I would found a company. Going from 40 employees / series A -> $1 billon unicorn, I realized that I would of made more at a big co even if I was able to sell all of my vested shares.
Prefering small startups over BigCo seems to have been a bad choice when building my character. But I'm having more fun. Maybe.