Born in Vila Velha, Espírito Santo, Jullie moved to São Paulo to pursue an acting career.

[1] Jullie also landed her first starring role in Mais Uma Vez Amor, released in February 2005, interpreting the character Lia.

Jullie lent her voice to many Brazilian versions of television series and films, including Blair Waldorf in Gossip Girl, Katie in Total Drama Island and Roxy in Winx Club.

In February 2010, "Tudo Pode Mudar", a cover of the popular band from the 1980s Metrô, was released for the Brazilian TV series Malhação.

[5] On August 2, 2010, Julie recorded a Brazilian version of "Wouldn't Change a Thing" entitled "Eu Não Mudaria Nada em Você" with Joe Jonas for Camp Rock 2: The Final Jam soundtrack.