Flickr - San Francisco, CA (Full-time, contract, H1B)
We are hiring for engineering and PM roles. 
Engineering: Front-end, back-end (FT and contract), iOS, web performance devs.
See details here - <a href="http://flickr.jobs/" >http://flickr.jobs/</a>
Oh and try the new Flickr iPhone app out.
Ask HN: Who is hiring? (January 2013)