Career
Early career
Stępiński started his career in his native Poland, playing for youth sides Piast Błaszki and Pogoń-Ekolog Zduńska Wola. In 2011, he signed for Ekstraklasa club Widzew Łódź, going on to make 33 appearances and scoring five goals over two seasons. 1. Football Club Nuremberg
On 5 June 2013, Stępiński signed for German Bundesliga club 1.
Football Club Nürnberg on a 3-year contract.
Stępiński has represented Poland at various youth levels. He made his first senior appearance on 2 February 2013 in an international friendly against Romania.
He also played at the 2012 Union of European Football Associations European Under-17 Football Championship.