PLEASANTON, Calif.--(BUSINESS WIRE)--Ellie Mae® (NYSE:ELLI), a leading provider of innovative on-demand software solutions and services for the residential mortgage industry, announced that it has moved its headquarters into a new building in Pleasanton, California to accommodate the company’s growing workforce. The new Ellie Mae headquarters has 100,000 square feet of office space, more than twice the size of the company’s former Pleasanton offices. Ellie Mae’s staff has nearly doubled over th