Senior Lumia engineer Ari Partinen, who worked on Nokia’s PureView smartphone cameras, has been hired by Apple. Partinen confirmed the move in a tweet. Today will be my last day working for the amazing #Lumia family. In June I will start a new chapter in Cupertino, California. Much love!— Ari Partinen (@Partinen) May 9, 2014 Nokia has referred to Partinen as the company’s “camera expert.” The PureView cameras are known…