Mundle came through the youth academy at Tottenham Hotspur. He signed his first professional contract with the club in May 2021.[4] The following season he began to train with the first team and made the match day squad for the first on 19 August 2021 in the UEFA Europa League against F.C. Paços de Ferreira.[5][6]
During the 2022–23 season he played for the Spurs B team in Premier League 2, scoring seven goals and providing four assists.[7]
Standard Liege
In June 2023, it was revealed that Mundle rejected a new contract with Spurs in order to sign a four-year contract with Standard Liege.[8] He made his professional debut on 30 July 2023 for Standard Liege against Sint-Truiden in the Jupiler League.[9][10]