jules has competed as a professional since the start of the 2011 season, as the team he had joined from the vendée u-pays de la loire team, successfully became a continental team. jules achieved his first professional victory at the 2011 tour of hainan, when he won the first stage of the race, and held the overall race lead for a week. after a spell with the véranda rideau-super u squad in 2012, jules rejoined for the 2013 season. in his first race since rejoining, jules won a bunch sprint for the honours in the season-opening race of the 2013 uci europe tour, the grand prix d'ouverture la marseillaise; he managed to hold off the advances of 's samuel dumoulin and rider thomas damuseau, for victory.