A youth product of Dila since the age of 16, Gagnidze was promoted to their senior team in 2018 and became a mainstay in the squad.
[3] On 20 July 2022, Gagnidze transferred to Ümraniyespor as they were newly promoted to the Süper Lig.
[4] He made his professional debut with Ümraniyespor in a 1–0 Süper Lig loss to Antalyaspor on 14 August 2022.
[6] In April 2024, the Erovnuli Liga named Gagnidze the best player of part 1 of the season in which he scored once and provided five assists.
[9] After playing full time in a 2–0 win over Portugal, he sustained an injury in the next game against Netherlands, requiring treatment for more than six weeks.