If you’re looking for an in-house API developer, you can hire a full-time employee just as you would for any other position. Bear in mind, however, that API developers are in demand – you’ll need to pay a lot for top talent, and you might have to invest significant amounts of time in your search.
An alternative way to hire top-end API developers is by outsourcing to a software development agency. This gets you immediate access to experienced professionals without lengthy hiring processes or long-term expenses.