Max was one of ten youngsters to join Norwich's Under-18s as first year scholars on 1st July 2016. Described as a pacy full-back, he was previously at Luton Town.
On 5th May 2017, it was reported that Max would be offered his first professional contract after breaking into the Under-23s during 2016/17.
After training with the first team during the 2018 pre-season, he made his first team debut on 14th August 2018, starting in the League Cup clash at Carrow Road against Stevenage which Norwich won 3-1. This was followed up with a start in the League Cup clash at Premier League side Cardiff City oh 28th August 2018 in which Aarons scored his first professional goal in a 3-1 win for Norwich. He was rewarded with a call up to the England Under-19 squad. His league debut came at Ipswich on 2nd September 2018 which finished 1-1. His first league goal came in the 3-1 home win over Rotherham on 1st December 2018.
On 10th September 2018 he made his England Under-19 debut, starting in a 2-1 win over Belgium.
On 10th October 2018 he signed a new deal until 2021 with the Press Association reporting that Chelsea and Arsenal had been keeping a close eye on his development. In late December 2018, the Sun linked him with a £15million move to Spurs with German side Red Bull Leipzig also reported to be interested.