Pujolar studied mechanical engineering at the University of Girona for three years and while he was there he got a job in Genikart, who had a young Fernando Alonso as one of its drivers.

Pujolar remained there until 2000, when he moved to F3000 to the Red Bull junior team where he met Niki Lauda who invited him to work for Jaguar Racing in Formula 1 to be one of the performance engineers responsible for Eddie Irvine's car.

In 2010, Pujolar seeking a new challenge moved to fledging contractor Hispania to become a senior race engineer for Bruno Senna, but left the struggling team after a year.

[3] In 2014, he joined Toro Rosso, retaining the role of senior race engineer, and worked with Jean-Eric Vergne and later with Max Verstappen.

[4] In May 2016, Pujolar left Toro Rosso and in August of the same year, he went to work for Sauber as head of track engineering, where he remains today as the team transitioned into Alfa Romeo Racing.