Career
Piątkowski spent a big part of his career playing for Polish second division teams like GKP Gorzów Wielkopolski, Kansas Polkowice and Dolcan Ząbki. Jagiellonia Białystok
He made his Ekstraklasa debut while playing for Jagiellonia Białystok in 2013-2014 season, aged 28. He had an impressive second season with Jagiellonia, managing to score 14 goals in 24 appearances in the 2014-2015 Ekstraklasa.
APOEL
On the 24 June 2015, aged 30, Piątkowski moved abroad for the first time in his career and signed a two-year contract with Cypriot club APOEL Football Club. He made his official debut on 14 July 2015, in APOEL"s 0–0 home draw against FK Vardar for the second qualifying round of the Union of European Football Associations Champions League.