Bartusiak began her career at FV 09 Eschersheim. In 1996, she left the club to join FSV Frankfurt where she made her Bundesliga debut. After five years, she transferred to local rivals 1. FFC Frankfurt in 2005. Playing in central defence, Bartusiak has been an important player for FFC Frankfurt's success in the following years. She won two Bundesliga championships and three German Cup titles at the club. In the 2005–06 and 2007–08 season she also won the UEFA Women's Cup with Frankfurt.