As a goalkeeper, Kwiatkowski's specialty was to fist the ball away, which earned him the nickname "Heini Fausten".

During his club career, Kwiatkowski played for FC Schalke 04, Rot-Weiß Essen and Borussia Dortmund.

He was one of the oldest players to make their debuts in the newly formed Bundesliga, when he played against Nürnberg on 21 March 1964, aged 37 years and 249 days.

[4][5] He was a member of the West German team that won the 1954 FIFA World Cup.

This biographical article related to association football in Germany, about a goalkeeper, is a stub.