Mladen worked as a software engineer at Google (2007-2009) where he was developing internal applications. He also worked as a software engineer for Sungard (2010-2011) and as a project manager for Troxo (2011). He was a senior teaching assistant at University of Banja Luka (2004-2007). He obtained M.Sc. Electrical Engineering from University of Banja Luka in 2006 and B.Sc. Math from University of Belgrade in 2003.