Munteanu became an elite gymnast at 11 years old. Munteanu began competing as at the senior level in 2012. That year, she placed first in floor exercise and second all-around at the Australian national championships. She was named to Australia's team for the World Gymnastics Championships in 2014 and 2015 where the team placed seventh and fourteenth, respectively. Munteanu also competed at the Pacific Rim 2014 Gymnastics Championships, placing sixth in uneven bars and tenth all-around. She was named a non-traveling reserve for the 2016 Pacific Rim Championships, a test event for the 2016 Summer Olympics.
