[3] Born in Techiman, Bono East Region,[4] Kamaldeen was a part of the Right to Dream Academy before joining its cooperative club in Denmark, Nordsjælland, in January 2020.
[6] He has been considered as one of the most promising young talents of the Danish Superliga, regarded for his technical ability, his dribbling and his speed, making him one of the most creative players in the league.
[7][8][9] During the 2020–21 winter transfer window, his name was linked with several European clubs interested in him, in particular Ajax and Bayer Leverkusen, without this amounting to a move.
[20] On 15 September 2023, he was given a red card by Bobby Madley for a foul on James Justin in injury time during Southampton's 1–4 defeat to Leicester City, with manager Russell Martin stating that he hoped the club "have grounds to appeal".
[22] During a 1–0 victory against Bristol City on 29 November 2023, Sulemana suffered a hamstring injury and was expected to be sidelined until late January.