The attacking midfielder joined from Hoffenheim in the summer of 2020 when he was aged 16. Frauendorf, who was born in Ethiopia, was an under-18 German international. He made his first-team debut for Liverpool in the 4-1 defeat of Shrewsbury in the third round of the FA Cup on 9 January 2022. He got another opportunity against Derby in November 2022, playing the first 66 minutes of a League Cup tie at Anfield. Frauendorf was a regular for the Under 21's during 2022/23 scoring twice in 23 Premier League 2 appearances. Frauendorf's contract at Liverpool expired in June 2024 and he returned to Germany, joining the reserve side of Hannover 96 who play in the third tier. In the summer of 2025, Frauendorf moved to Stuttgarter Kickers in the Regionalliga Südwest, part of the fourth tier of the German football league system.