SEATTLE--(BUSINESS WIRE)--Redfin (www.redfin.com), the next-generation real estate brokerage, today announced the debut of its home-buying and selling services in Pittsburgh, with local, Redfin-employed real estate agents. Additionally, people can search all the agent-listed homes for sale in the greater Pittsburgh area on Redfin.com and the Redfin iOS and Android apps. Pittsburgh native Keith Jimenez will lead the Redfin business in Pittsburgh as market manager. "Pittsburgh’s technology focus