A lot of companies involved in software development tend to hire developers outside of their country because it allows significantly to save on the budget. You can find good specialists with the necessary qualifications worldwide for one-third of the price. This is why developers from India, China, or Western Europe are so welcome in the USA projects. Their English is good, they are less picky, and their per hour rate is lower for literally the same piece of code.
The trend is to hire the whole development team and usually through some outstaffing agency responsible for the result and serving as an intermediary during the whole project. You can find numerous comprehensive guides online on how to hire an offshore development team without any effort.
