The 26-year-old player has joined the Iranian team from Georgian club Norchi Dinamo Tbilisi on a one-year contract for an undisclosed fee.
He started his playing career at Georgian football team Tskhinvali and also played at Metalurgi Rustavi and Chikhura.
Kakashvili has previously played at Iranian teams Machine Sazi and Gostaresh Foolad in the Iran Professional League (IPL).
Pars Jonoubi will be headed by Faraz Kamalvand.