Kalari is a product of the
KF Tirana academy and joined the senior team in 2004 but found it very difficult to break through into the squad, this subsequently lead to Kalari being loan out to
Shkumbini Peqin for the 2005–06 campaign. His return to Tirana did not last as he signed for
Kastrioti Krujë in 2006, where he would stay for the next two seasons until the club was relegated to the
Albanian First Division. He returned to the capital in the summer of 2008 with
Partizani Tirana but only played for the first half of the 2008–09 season, as the club was in turmoil. He left Partizani joined Kastrioti once again in January 2009, helping the club win promotion to the
Albanian Superliga. He became one of the club's main players in the next few season, which was noted by the player's former club
KF Tirana, who gave him the chance to return once again to his hometown. In February 2013, he was sent on loan to Kastrioti Krujë until the end of
2012–13 season. During the summer transfer window 2015, Kalari left Tirana and signed with their cross-town rivals Partizani Tirana, taking the vacant squad number 99 for the upcoming
2015–16 season. On 30 September 2016, during the league match against the rivals
Skënderbeu Korçë, which finished in a goalless draw, Kalari received a controversial 61st minute red card after a tackle on
Liridon Latifi. Later on 27 May, he scored his first Partizani goal in the final matchday of
2016–17 season against the same opponent, netting a free-kick in an eventual 2–2 draw, which was enough for the team to clinch the second position. On 18 June 2017, Kalari agreed a contract extension, signing until June 2018. ==International career==