Nathan W. Brixius and Emily J. Norman bought a four-bedroom, two-bath home at 2836 234th Place N.E. in Sammamish from Brian P. Nolan for $450,000 on July 22.

The 1,860-square-foot house was built in 1987 in the Summer Ridge subdivision.

Brixius works as a senior development lead at Microsoft Corp.

He previously was the company's software design engineer. Before that, he was a graduate researcher at Argonne National Laboratory.

He obtained his doctoral degree in computer science from the University of Iowa College of Liberal Arts and Sciences in 2000.

There were 309 home sales in Sammamish in 2008, with a median sales price of $569,250.

Address: 2836 234th Place NE
Buyer(s): Nathan W Brixius and Emily J Norman
Seller(s): Brian P Nolan and Mt American Fm
Sale date: Jul. 22, 2009