During his managerial career, Varešanović managed hometown club Sarajevo on two occasions, Velež Mostar, Olimpik, the Bosnia and Herzegovina U18 national team and Tuzla City.
Varešanović started his career with hometown club Sarajevo, breaking into the first team in 1991, but getting only limited playing time.
With the start of the Bosnian War, competitive football in the country halted and Sarajevo became a touring club.
Varešanović made his debut for Bosnia and Herzegovina in an April 1996 friendly game against Albania and has earned a total of 24 caps, scoring no goals.
[4] After concluding his playing career, Varešanović was named Sarajevo sporting director, and held the position for two years.
[13][14] On 26 February 2019, Varešanović signed a half-a-year contract with Bosnian Premier League club Tuzla City.
[21] On 20 July 2023, Sarajevo got eliminated from the 2023–24 UEFA Europa Conference League in the first qualifying round by Georgian club Torpedo Kutaisi, following a penalty shoot-out.
[22] On 22 July, it was announced by Sarajevo that Varešanović had left the club by mutual consent, after the team's disappointing European campaign.