Ruge entered politics while attending UDSM. In 2005, she became a youth activist in the Ubungo constituency, helping John Mnyika to win the election as member of parliament. She joined Chadema in 2010, and successfully ran for the position of Finance Secretary in the Serengeti region. On May 4, 2017 she was appointed by the Chadema NEC to be the Chairman of the party's Special Seats, replacing Dr Elly Marco Macha.