You also, of course, need a company that is receptive to this as a goal. I usually run my computer in whatever language I'm trying to learn at the moment, and

You also, of course, need a company that is receptive to this as a goal. I usually run my computer in whatever language I'm trying to learn at the moment, and I've had more than one company dismiss i18n issues I've discovered as "well, we're not going to sell in that country any time soon!" (i.e., "get back to making the demo look pretty").