Career
Before moving to play in England for the Football League Championship club, Malarczyk played for Polish Ekstraklasa club Korona Kielce. Malarczyk made his debut for Korona in a 3–2 defeat to Wisła Krakow on 30 October 2009. Malarczyk joined English Football League Championship club Ipswich Town on 28 August 2015 and made his debut a day later coming on as a substitute in the 2-3 home defeat to Brighton & Hove Albion.