 Olivieri akatanga kushevedzwa kuzomiririra nyika yake muna 2014, pamitambo yechikwata chenyika yeItaly yepasi pemakore gumi nematanhatu. Akamirira chikwata cheUnder-17 pa2016 UEFA European Under-17 Championship, achihwina chibodzwa chimwe, sezvo Italy isina kufambira mberi kubva muchikamu cheboka. Olivieri ipapo akamiririra pasi-18, pasi-19, uye pasi-20 squads, vose vari shamwari. 