On 29 January 2016, Éder joined Inter on a 1½-year loan deal for €1.2 million which could be made permanent upon the fulfillment of certain conditions. He signed a contract that could keep him at Inter until 2020, and is receiving a wage of reported €1.5 million per year. He was presented to the media on the very same day, where he was assigned the number 23, saying that he did not think twice about signing with Inter. He made his debut for the club on 31 January, in a 3–0 defeat to cross-city rivals Milan in the "Derby della Madonnina".