Career
Werder Bremen
Hilßner spent his formative years at Football Club Sachsen Leipzig before being signed by Werder Bremen in 2009. Having consistently impressed at youth level from then on, he was awarded a year extension on a senior contract on 8 June 2015. Hilßner made his debut for Bremen on 26 September in a 3-0 loss to Bayer Leverkusen.
Being brought on by manager Viktor Skripnik as a second-half substitute for Levin Öztunalı.