Before the 2002–03 season, he moved to Amica Wronki, where he debuted in the Ekstraklasa against Szczakowianka Jaworzno on 5 October 2002.
He helped Lech to a third place in the 2008–09 season and win the 2008–09 Polish Cup, missing out on the final against Ruch Chorzów due to injury.
Kucharski signed for Scottish Premier League side Hearts on 5 July 2009.
[1] He made his debut on the opening day of the season in a 2–0 defeat to Dundee United at Tannadice.
Kucharski did not feature at all for Hearts during the 2010–11 season and on 26 May 2011 it was announced that he would not be offered a new contract at Tynecastle and was free to find a new club.