[3] In the eighth stage of the 2015 Tour de France, Vuillermoz attacked the leading group on the Mûr-de-Bretagne to cross the line solo atop the hill.

He started the 2018 Tour de France, but was forced to abandon with a scapular fracture sustained after colliding with a roadside spectator trying to take a photo in one of the cobbled sectors on stage 9 to Roubaix.

[8] In October 2020, Vuillermoz signed an initial two-year contract with the Total Direct Énergie team, from the 2021 season.

[11] During the Tour de Suisse, Vuillermoz crashed during the seventh stage individual time trial, fracturing his pelvis and doctors advised him not to race again.

[14] Having extended his contract by a further two years in August,[15] Vuillermoz did not return to the podium until October's Gran Piemonte, where he finished in third place.