A youth product of FC Augsburg, Salifou transferred to Werder Bremen on 5 May 2022 signing a professional contract.[2] He was initially assigned to the Werder Bremen reserves. He made his senior and professional debut with Werder Bremen as a late substitute in a 2–0 Bundesliga win over VfB Stuttgart on 5 February 2023.[3]
Born in Germany, Salifou is of Togolese descent. He was called up to represent the Togo national team in March 2022, but could not debut due to an injury.[5]