Florin played in Romanian bands Arca, Timpuri Noi, Proconsul, Blazzaj, Partizan and Cargo.
His skills were not as developed as those of the other Arca members, but he studied hard in order not to be kicked out from the band.
In 1996, with his friend Eddie Neumann, he started a project called FunkinLeFree which in 1998 was renamed Blazzaj.
He left Proconsul as well, and started the band AZZA with former Blazzaj member - Eddie Neumann, Luiza Zan, and Marcel Moldovan.
In 2012 he rejoined Partizan, but he left them in 2013 in order to join the Romanian rock legends - CARGO Florin Barbu is also a Warwick bass community forum administrator.