Typically: - self-employed working as contractors, - after some time working in the US (either an internship or a regular position), but who went back to Pola

Typically: - self-employed working as contractors, - after some time working in the US (either an internship or a regular position), but who went back to Poland (mostly personal reasons, but sometimes visa as well), - in smaller companies/startups from Bay Area (where making exceptions is a... standard).