After finishing her studies at the Prague Film School (FAMU) and the Munich Film School (HFF), she moved to Galicia where she set up the production company Esnatu Zinema, under which she gained a reputation as a director of experimental films such as Proba de Axilidade, Nimbos, Lilit or Rapa das Bestas. Jaione opted to develop her work using celluloid, this choice is a stake on the materiality and lyrical aspect of film grain. Her usual imaginary tend to revolve around the relationship between human and animal, violence and the atavistic side of it. She took part in several films as a screen writer and art director. Her most recent feature is Arima.