Born in Valjevo, Rajevac started his career in local club Budućnost. For 2 seasons, he played 36 matches in the Serbian League West and scored 5 goals.[1]
Jedinstvo Ub
After Budućnost, Rajevac played for Jedinstvo Ub, in the first half of season 2011–12. He scored 8 goal on 15 matches playing for the team from Ub.[1]
Jedinstvo Užice
Rajevac moved to the club with the same name, Jedinstvo Užice for the second half of 2011–12 season. He played 11 matches and scored 2 goal until the end of season.[1] The club was also promoted in Serbian First League for the next season.[2]
Krušik
Attacker returned in Valjevo, in football club of the "Krušik" industry in summer 2012. He made 14 appearances and scored 1 goal playing for FK Krušik Valjevo. After 6 months he left to FK Kolubara.[1]
Filip moved to Poland on the beginning of 2015, and joined Siarka Tarnobrzeg for 6 months.[23] He debuted for his new team on the 8 March 2015, in a 3:1 loss against Znicz Pruszków.[24] After that, he played 6 more matches until the end of season, but without goals.
OFK Beograd
After short abroad episode, Rajevac joined OFK Beograd in summer 2015,[25] but due to administrative problems gained the right to play in 4th fixture of the Serbian SuperLiga.[26]
Bunyodkor
On 23 January 2018, Bunyodkor announced the signing of Rajevac.[27]