Austin began his career at Tottenham Hotspur’s youth academy, where he honed his skills and caught the attention of the club’s coaching staff. He quickly rose through the ranks and made his debut for the senior team in a 5-0 win against Apoel Nicosia in the UEFA Champions League in 2017. Since then, Austin has been a regular member of Tottenham’s matchday squad and is considered one of the most promising young goalkeepers in English football.