Sure, so you just need to give examples of you working on projects virtually and that you know how to communicate without others in the same physical location.

Sure, so you just need to give examples of you working on projects virtually and that you know how to communicate without others in the same physical location. Student projects or other things you have done are ok -- it also doesn't need to be something where you were in different countries -- just different physical locations, working together virtually. The keyword is "discipline" -- it is perceived by employers that you need it to be an effective remote. For me, I was a contract developer right before being hired, so I had a track record of working for people that weren't in my office.