In 2011, he was selected for a trial at Liverpool, but he returned to Steaua because the clubs couldn't agree on a transfer sum.[2]
He made his first appearance for Steaua București on 7 May 2013 against Gloria Bistrița, a game won with the score of 1–0. He is the son of former football referee Ispas Cojocaru.[3][4]
On 1 September 2016, Crotone announced the signing of Cojocaru on loan with a buy-out option.[5]
On 26 January 2017, Cojocaru joined Italian club Frosinone on loan.[6]
Apollon Limassol
On 7 September 2017, Apollon Limassol announced the signing of Cojocaru.[7] On 22 January 2018, Apollon Limassol mutually agreed to end player's contract.[8]
After a year-long stint with Belgian side OH Leuven, Cojocaru moved to Polish Ekstraklasa club Pogoń Szczecin on a season-long loan on 4 September 2023. After establishing himself as the first-choice goalkeeper, his move was made permanent on 5 April 2024, two days after reaching the Polish Cup final with Pogoń.[13]
International career
In November 2016, Cojocaru received his first call-up to the senior Romania squad for matches against Poland and Russia.[14]