 Hauger made his debut for Hannover 96 on 6 August 2011, when he played the last 21 minutes as a substitute for Pinto in the opening match of the 2011–12 Bundesliga against TSG 1899 Hoffenheim.Hauger got limited playing time in Hannover and joined Lillestrøm on loan in August 2012.He made his debut for the club against Fredrikstad on 1 September 2012 when he replaced Espen Søgård at half time.