Football Club Köln and the Poland national team In July 2010, he was loaned to GKS Katowice on one-year deal. In July 2011, he joined Górnik Zabrze on three-year contract.
On 1 July 2014, Olkowski joined german club 1.
Football Club Köln on a free transfer. Olkowski has represented Poland at under 19 and under 21 levels.
On 15 November 2013 he made his senior debut for the Poland national team in a friendly, starting in a 0–2 loss against Slovakia.