Career
After starting out at Polonia Warsaw he went on to spend most of his professional career in Portugal, signing in 2007 with Braga. Born in Warsaw, Kieszek began his professional career at local Polonia Warsaw in the Ekstraklasa. In January 2006 he was loaned to Greece"s Egaleo Football Club, where he remained until the end of the year.
He returned to Polonia, which had been relegated to the second level in his absence, for 2006-2007, playing only a few games before getting injured and missing the rest of the season.
Kieszek signed with South Carolina (U.S.) Braga in Portugal in June 2007, on a free transfer. In January 2009 Kieszek joined Vitória Football Club, on loan until the end of the season, being relatively used during his spell as the Sadinos managed to retain their top flight status.
Upon his return to Braga, he was a backup to Portuguese international Eduardo. In July 2010, after another uneventful 2009-2010 with Braga – the club finished second, but he only appeared in three matches in the campaign"s Portuguese League Cup, conceding four goals – Kieszek signed a four-year contract with Football Club Porto, with Braga retaining 50% of his economic rights.
In August of the following year, after only four official appearances, he was loaned to Dutch side Roda JC. On 16 June 2014, after two years with former team Setúbal, Kieszek signed a two-year contract with G.D. Estoril Praia.
