Born in
Ostfildern, Berko made his professional debut on 28 January 2012 for
VfB Stuttgart II in the
3. Liga against
FC Rot-Weiß Erfurt. On 7 May 2013, Berko extended his contract with VfB Stuttgart until June 2015. On 31 January 2022, Berko signed with
Sandhausen. On 2 February 2023, Berko joined
Hallescher FC in
3. Liga until the end of the 2022–23 season. On 11 June 2023, Berko extended the contract with
Hallescher FC. ==International career==