[1] In 2008, Max released an independent extended play on her Myspace profile titled Amanda Kay.

After signing with Atlantic Records in 2016, Max released "My Way" in April 2018 and "Slippin' featuring Gashi" in May 2018, both as promotional singles.

Her debut single "Sweet but Psycho" was released in August 2018, which became Max's breakthrough hit, reaching number one in 22 countries including Sweden, Finland, Norway and the United Kingdom.

Max's second studio album Diamonds & Dancefloors was released on 27 January 2023, preceded by singles such as "Maybe You're the Problem", "Million Dollar Baby", "Weapons", and "Dancing's Done".

Her song "Whatever", produced by Kygo, was released in January 2024 and, in addition to reaching number one in Norway, it has also gone platinum in several countries.