Check out https://www.letsdeel.com/ To hire someone outside of the US or to hire in general either bring them on as a Contractor or Employee. You should understand the difference between both, because you cannot treat a contractor as an employee.

Contractors will be hired for a set time and for a specific contract and you cannot treat them as you would an employee, if you bring them onto zooms and other calls they can be classified as an employee which is considered misclassification. Contracts are a simple way to bring people on, Deel or if you talk to a lawyer can get a basic contractor agreement for you.

Deel (linked above) is a way to hire them as an employee or contractor and they will become the Employer of Record if you choice to pay the hires as employees.

Not a lawyer, but built teams in Mexico and Philippines.