Peano played for local club 9 de Julio Freyre in his youth career, which preceded a move to Unión Santa Fe in 2010.[2] After six years in their system, he was promoted into their first-team during 2016 when he was an unused substitute for a Copa Argentina match with Unión Aconquija and an Primera División fixture versus Racing Club.[1][3] Peano made his professional debut in September 2018, featuring for sixty-three minutes of a league draw with Colón.[1][4] Seven more appearances, three in the domestic league and four in the cups, occurred across the next two years for the goalkeeper.[1]