Career
In August 2015, Swedish team Hammarby in Allsvenskan signed Aidoo on a six-month loan deal. He made his debut, and his only appearance during the season, against then reigning champions Malmö FF on 25 October 2015. Even though Hammarby lost with a score of 0-1, Aidoo put on an impressive performance being voted "player of the game".
Before the 2016 Allsvenskan season, he signed for Hammarby permanently on a three-year deal.
Aidoo featured in the 2015 Fédération internationale de football association U-20 World Cup for Ghana. He played all four of his side"s fixtures, with Ghana eventually getting eliminated by Mali in the quarter finals.
He was also called up to the African U-20 Championship earlier the same year, where Ghana finished in third place.