[1] He made his professional debut in a UEFA Europa League qualifier against Partizan on 2 August 2007 at the age of 18.

[6] In August 2015, Šunjić was transferred to German outfit VfB Stuttgart for an undisclosed fee.

[7] He made his official debut for the squad against Hertha BSC on 12 September and managed to score a goal.

[11] He made his competitive debut for the team on 18 July against their biggest rivals Spartak Moscow.

[14] In September 2020, Šunjić moved to Chinese side Beijing Guoan, who loaned him to Henan, with an option to make the transfer permanent, which was activated in January 2021.

[19] In June 2014, Šunjić was named in Bosnia and Herzegovina's squad for the 2014 FIFA World Cup, country's first major competition.

[21] On 31 August 2017, in a 2018 FIFA World Cup qualifier against Cyprus, Šunjić scored his first senior international goal.