In other words, keep applying using the traditional methods (LinkedIn, standard job sites), and during interviews try to explore what are the company's long-term views on remote work.
https://www.workatastartup.com/
Any ideas on how to start as a freelance besides the usual suspects? sorry for the hijack of the thread
His blog https://levels.io is interesting in itself.
The insight is that I make their job easier by having the right resources and presentation in place.
For my full-time position remote I'm in now I used indeed.com. This company is based in NY, NY.