He has represented Croatia at youth level, having earned caps with all of the youth teams beginning with the Croatia under-16 team.[3]
Club career
Born in Split, Jonjić is a product of the Hajduk Split academy. He was loaned out to NK Zadar in June 2009 where he made his professional debut and went on to appear in 13 matches for Zadar before he returned to Hajduk in January 2010. He later appeared in two matches for Hajduk in the second part of the 2009–10 season.[4] After collecting only seven appearances in competitive matches in the following season, Jonjić was loaned to Zadar for the second time in June 2011.[5]