JBQ lands at Yahoo! as the Principal Engineer for Mobile Apps 120 by Nate Swanner on September 17, 2013 2:47 pm 1 JBQ moved on, and has quickly landed at Yahoo! as their new Senior Principal Engineer Working on Mobile Apps. He noted, via Twitter (not Google+), his excitement in his new role. Yahoo! definitely needs help with their mobile products, and who better than JBQ?