He notably face off against the 2010–11 Ligue 1 champions club LOSC Lille during the 2011–12 Coupe de France Fourth Round tie on 21 January 2012.
Vallée team managed to hold the game all the way until extra time before opponent Gianni Bruno scored in the 114th minute to knock Compiègne out from the cup.
During the time of the match, Lille was using a hand full of potential players in the starting line-ups with the likes of Mickaël Landreau, Aurélien Chedjou, Eden Hazard, Dimitri Payet, Mathieu Debuchy, Lucas Digne, Idrissa Gueye, Florent Balmont and subtitutions Joe Cole.
On 30 November 2012, Vallée then returned to Singapore to signed with Tanjong Pagar United in preparation for the upcoming 2013 S.League season.
In January 2016, Vallée was then appointed as Singapore Football League semi-professional club Warwick Knights as the team head coach.