Aebischer is a youth exponent from
Young Boys. He made his
Swiss Super League debut on 10 September 2016 against
Luzern. He was part of the Young Boys squad that won the
2017–18 Swiss Super League, their first league title for 32 years. On 25 January 2022, he joined
Bologna in Italy. The transfer was initially a loan with a future obligation to buy the rights permanently. On 3 August 2025, Aebischer was loaned by
Pisa, with a conditional obligation to buy. ==International career==