When Contini was 3 years old he moved with his family to Giugliano, Campania, Italy.[2][3] He started his football career at Atletico Giugliano in Italy as a boy, he was brought there by his father at a young age who was a youth coach of Atletico Giugliano, he started playing there at the age of 5 often playing in teams with older boys as he moved up their youth ranks.[4]