As a youth player, Amaimouni joined the
youth academy of Spanish side CF Voltregà. Following his stint there, he joined the youth academy of German side . Subsequently, he joined the youth academy of German side
Rot-Weiss Essen. Ahead of the
2021–22 season, he joined the youth academy of German
Bundesliga side
Arminia Bielefeld. Two years later, he signed for German side
SpVgg Erkenschwick, where he made thirty league appearances and scored eighteen goals. During the summer of 2024, he signed for German side
TSG 1899 Hoffenheim II, where he made forty-six league appearances and scored sixteen goals. On 2 January 2026, he signed a five-and-a-half-year contract with German
Bundesliga side
Eintracht Frankfurt. ==Career statistics==