Ruben Oliveira was born May, 4, 1983 in Montevideo (Uruguay). He began his career in Danubio and signed by Juventus F.C. He was on loan to Atlético Madrid in the second-half of the 03–04 season, after he did not make any appearance, also not playing any match in 2005–06 season.
In 2007, while playing for Sampdoria, he was banned for 5 matches for giving away a punch in the ribs and a kick in the groin on an opponent player. For the 2009–10 season, he went back to Uruguay for Peñarol. On 1 July 2010, he returned to Italy for Lecce, signed a 3-year contract.
The attacking midfielder joins the Viola on a deal that runs until June 2014. Probably he will play tomorrow in the game vs Bologna FC.