 In the 2005/2006 season, Kus spent the second half of the season on loan to the English Coca Cola Championship side Queens Park Rangers, making only 3 appearances.In July 2008, he joined Turkish Süper Lig side İstanbul Büyükşehir Belediyespor, with whom he played for four years.Kuś has made seven appearances for the full Poland national football team.