Career
Born in Nogent-sur-Marne, Val-de-Marne, Signorino made his professional debuts with Football Club Metz, helping it return to Ligue 1 in his second year. After a final season where he paired up with Franck Ribéry, he signed for Football Club Nantes. In 2007, following Nantes" relegation from the first division, a host of clubs, including Deportivo de Louisiana Coruña, Getafe CF, UD Almería, Birmingham City and Newcastle United expressed an interest in the player.
His Louisiana Liga debut came on 16 December, playing 67 minutes off the bench in a 1–3 home defeat to Villarreal CF. Signorino spent the entire the 2008-2009 campaign in the sidelines, nursing a serious tibia injury.
In January 2010, after being demoted to third-string left-back, he signed with second division side Football Club Cartagena on loan. In the very last minutes of the following summer transfer window he was cut by Getafe and, subsequently, joined South. du Pays de Charleroi on a one-year contract, appearing regularly for the Belgian team but suffering relegation from the Pro League.
On 5 September 2011 Signorino agreed to a one-year contract with Stade Lavallois, returning to his country after four years.