DuckDuckGo is hiring (albeit slowly): <a href="http://help.duckduckgo.com/customer/portal/articles/216387" >http://help.duckduckgo.com/customer/portal/articles/216387</a>
We have an office in Paoli, PA though remote is OK depending on the relationship. We have people now across the world. We also welcome Philly-area interns. H1B is also OK.