Opening an LLC as a sole foreign proprietor is very easy. Not only that, if you dont physically conduct business in the states (as in a developer programming from outside) you dont pay any taxes in America (you still have to file of course). Getting a bank account is also easy with an established LLC, directly with Mercury or indirectly through Stripe.

https://www.llcuniversity.com/irs/how-to-apply-for-ein-witho...