Hausweiler had been starting his career at Borussia Mönchengladbach, a club he joined as a twelve-year-old in 1988 from VfR Neuss. Debuting for Mönchengladbach in the Bundesliga on 16 March 1996, Hausweiler was a permanent member of the Mönchengladbach squad since becoming professional at the start of the 1997–98 campaign.
Hausweiler began his football career with Borussia Mönchengladbach, joining them at age twelve in 1988 from VfR Neuss. He made his Bundesliga debut for the club on March 16, 1996, and has been a regular player since becoming a professional footballer in the 1997–98 season.