I doubt you can get a visa just because you want to work here. You need to be invited by a firm like google and even then, your chances are like 20%. Or you can

I doubt you can get a visa just because you want to work here. You need to be invited by a firm like google and even then, your chances are like 20%. Or you can be an exceptional scientist of some sort. Or you can be just rich and invest a million into usa. In either case, your social class will be too high to worry about personal safety.