Kamarianos played from a young age with the youth teams of Palaio Faliro, Panellinios and Panathinaikos, before he started his pro career.
Kamarianos signed his first professional contract with the Greek Basket League club AEK Athens, on 21 July 2015.
[2] On August 17, 2020, Kamarianos moved to Kolossos Rodou on a two-year contract.
He averaged an impressive 12.7 points, 6.9 rebounds and 2.3 assists in 28 minutes per game.
On August 17, 2023, Kamarianos agreed to return to Kolossos Rodou.