[1] Born in Smederevo, city in Eastern Serbia on the Danube river, Janković started playing for the local youth team in 1980 at the age of 10.

In 2010, he was named manager of FK Voždovac and he spent a season 2010-11 as a head coach of the club whilst they were competing in Serbian League Belgrade, a third-ranked competition in Serbia.

[3] Alongside Milojević, Janković managed to promote the team to Serbian SuperLiga, a highest-level of competition in Serbia, in 2013.

[4] Milojević and Janković both left the club in October 2015, only to take over AC Omonia Nicosia from Cyprus in November of the aforementioned year.

[5] In 2015–16 season, Janković, as an assistant manager of AC Omonia Nicosia, won a silver medal in Cypriot Cup with the club following a defeat from Apollon Limassol FC in the finals.

[8] Together with Milojević, Janković assumed charge of Red Star Belgrade in the summer of 2017, again, as Miliojević's right-hand man.

Red Star Belgrade also made enormous success in Europe as they reached Round of 32 of UEFA Europa League.

Milojević assumed charge of Saudi Professional League team Al-Ahli and Janković went on to pursue a solo career.