Yep! I've taken an hourly dev advocate role as well as an interim fractional head of engineering role for a startup to help them bridge the gap between hires. Remote has been the primary driver for startups especially to become more flexible with their hiring practices.

I've discovered there are a good amount of small businesses trying to do what you are, so I think that's probably good validation that this is a strong space heating up. I've also been writing about it at blog.parttimetech.io if you're interested.