With the success of the WordPress for iPhone app and the great new mobile devices that are coming out, we are now looking to add a Mobile Engineer to the Automattic team:

Take WordPress and other Automattic projects to the small screen by developing Open Source mobile products for multiple mobile platforms. Work on apps for Android, Pre, Windows Mobile, BlackBerry, iPhone, and other platforms using such interfaces like our XML-RPC API.

Check out the Jobs page for more details.