She has competed at the 2010 World Championships in Moscow where she finished 41st in qualifications and at the 2011 World Championships in Montpellier, France where she qualified for the All-around finals and finished 23rd. She won the silver in all-around at the 2012 Kalamata Cup ahead of Ganna Rizatdinova. She finished 13th in all-around at the 2012 European Championships. Filiou missed qualifying for the 2012 Olympics finishing 11th in London Gymnastics Olympics Test Event.