Ademi started his senior career in Austria, playing for
SC Rheindorf Altach from 2008 until 2012. For the
2012–13 season he transferred to
2. Bundesliga side
Eintracht Braunschweig. During his first season with his new club, Braunschweig and Ademi won promotion to the
Bundesliga. Ademi scored his first goal in the Bundesliga against
Schalke 04 on 19 October 2013. In January 2015, Ademi joined
VfR Aalen on a six-month loan deal. On 31 August 2016, he transferred to Austrian club
SV Ried. In September 2020, he moved to
MSV Duisburg. He left Duisburg in the summer of 2022. On 11 July 2022, he joined
UTA Arad. On 1 February 2023, Ademi joined
3. Liga club
VfB Oldenburg. In October 2023, he joined
1. FC Bocholt on a contract until the end of the season. ==International career==