It seemed that the OP was about being employed, i.e. W-2, given the mention of H1B visas. There are, of course, often various ways around that with contracting relationships but as the sibling comment notes, that has some limitations. (And, in general, for obvious reasons a company can't just effectively hire an employee and say "they're just a contractor" and skirt all the associated employment rules.

ADDED: On rereading, they do seem to be asking about the temporary remote contracting part. In which case, the answer is probably yes subject to the laws of their country.