@Quang Luong The odds of finding an internship with visa sponsoring are pretty much zero in my opinion

lots of SF companies hire interns on J1

J1 visas can't be paid. If you want to work for nothing, you can come under any visa really

then i'm thinking of a dfiferent category, but most SF tech companies hire interns from out of country, and sponsor their visas

and pay them? I'm curious to know what kind of visa that is

yes, all paid

It's hard to find the information but it appears J1's can indeed be remunerated, I stand corrected

I know of one company that those in ATL, but yea that's pretty rare .