I was wondering the same, and saw that this was asked in previous Who is hiring threads, but a clear answer on what "Remote" means was never provided, so until that happens here's what I found:
I also looked it up on LinkedIn. Out of 148 employees marked as working in engineering on LinkedIn, only 14 are based outside the US - and all 14 are in Canada.
Some older comments in Who is hiring? Threads say "continental US preferred", and "US timezone preferred", but these comments are a few years old - although the data on LinkedIn seems to imply that this is still the case.
Seems like Europe is a "maybe" https://news.ycombinator.com/item?id=35428210 and Canada is a "yes" https://news.ycombinator.com/item?id=35427290
I also looked it up on LinkedIn. Out of 148 employees marked as working in engineering on LinkedIn, only 14 are based outside the US - and all 14 are in Canada.
Some older comments in Who is hiring? Threads say "continental US preferred", and "US timezone preferred", but these comments are a few years old - although the data on LinkedIn seems to imply that this is still the case.