Plattner made her senior club debut for FC Bergheim in 2017 in an
Austrian Frauen Bundesliga match. She spent the 2018-19 season at
FC Wacker Innsbruck and the 2019-20 campaign with
SK Sturm Graz. In 2020, Plattner signed for German
Frauen-Bundesliga club
1. FFC Turbine Potsdam. She played five times for Potsdam in their run to the
2021-22 DFB-Pokal Frauen final. She also started in the final, where they lost 4-0 to
Wolfsburg. Plattner made 32 appearances across three seasons at Turbine Potsdam, registering one goal and six assists. After leaving Potsdam in 2023, she spent the best part of two years back at Wacker Innsbruck. On 18 January 2025,
Bayern Munich announced the signing of Plattner from Innsbruck for their second team, who play in the
2. Frauen-Bundesliga. == International career ==