Have Microsoft relocate you, wait a year for your relo payback contract to expire, quit.
Or you could find a position at the many Seattle-area employers willing to relocate you: Google, Adobe, Boeing, Valve, a whole grip of game companies. The world, as it were, is your oyster.
A few of my friends here in Seattle call Amazon the "travel agent for developers" because so many people relocate to Seattle to work for Amazon and leave immediately after they no longer have to pay back their moving expenses.