Ypsilanti, MI — choose your own hours Upshift is hiring Food Service Workers for the dining halls of Ann Arbor's biggest university — hundreds of shifts posted through December — plus restaurants, hotels and event kitchens across Ann Arbor and Ypsilanti. About Upshift Upshift is the employer of record for more than 200,000 Upshifters working shifts at hotels, restaurants, stadiums, universities and warehouses; Upshifters rate us 9.2/10.