[4] On 15 September, he made his first team debut, coming on as a substitute for Steliano Filip in a 3–1 victory against Rudeš.
[8] He made his final appearance for Hajduk on 9 July 2019 in a Europa League qualifying away 2–0 victory over Gżira United.
[13] On 7 June 2019, he was named in Nenad Gračan's 23-man squad for UEFA Under-21 Euro 2019,[14] where he made two appearances as Croatia finished at the bottom of the group.
On 21 September 2020, senior team coach Zlatko Dalić called Bradarić up for October fixtures against Switzerland, Sweden and France.
Despite being a full-back, Bradarić started as a winger in his debut and provided Josip Brekalo with an assist for Croatia's equalizer.
His mother Natalija Tabak is a Bosnian Croat from Eminovo Selo near Tomislavgrad, but lives in Strožanac near Podstrana with Bradarić's younger brother Luka.