Ku qor sii socodka faqradan - Paunović wuxuu xubin ka ahaa kooxda Serbia ee ka hooseysa 16 jir ee ku tartamay 2016 FIBA Europe Under-16 Championship ee Poland. In ka badan toddobo kulan oo tartan ah, wuxuu celcelis ahaan helay 14.6 dhibcood, 4.0 rebounds iyo 2.9 caawin ciyaar kasta. Paunović wuxuu xubin ka ahaa kooxda Serbia ee ka hooseysa 18 sano oo ku guuleysatay billad dahab ah 2018 FIBA Europe Under-18 Championship ee Latvia. In ka badan toddobo kulan oo tartan ah, wuxuu celcelis ahaan helay 16.7 dhibcood, 4.1 dib u soo celinta iyo 3.4 caawimaad ciyaar kasta. Paunović wuxuu xubin ka ahaa xulka qaranka Serbia ee ka hooseeya 19 jirka oo kaalinta 7aad ka galay 2019 FIBA Under-19 Basketball World Cup
Waxaan ku noolahay magaalada Heraklion ee dalka Giriiga. In ka badan toddobo kulan oo tartan ah, wuxuu celcelis ahaan helay 7.3 dhibcood, 4.6 rebounds iyo 4.4 caawimaad ciyaar kasta.