Career
He currently serves as a head coach of Igokea of the Bosnian League. Lukajić began his long coaching career back in 1986 when he was the head coach of KK Famos Hrasnica for the 1986–1987 season. Over two decades he worked with many Bosnian and Serbian clubs, most notably Partizan Belgrade in 1993-1994 season and Hemofarm Vršac from 1998 until 2005.
In January 2010, he became the head coach of his former team Hemofarm Vršac.
He parted ways with the team in January 2012. That 2011-2012 season would be the last season in prominent era of Vršac-based team under Hemofarm"s sponsorship.
Month later, he took the coaching position in the Ukrainian team Politekhnika-Halychyna. He stayed there for one and a half season.
On November 26, 2014, he returned to Igokea to be the team"s new head coach.
He already had short stint coaching Igokea in 2007.
