Jaminet originally began pursuing a career in
formula racing, participating in the
F4 Eurocup 1.6 championship in 2010 and the
Eurocup Formula Renault 2.0 championship in 2011. Following this, he moved between several racing series over the next years before entering the
Porsche Carrera Cup France championship in 2015. After finishing second in his debut season there, he was named a
Porsche Junior Driver for the 2016 season. Jaminet won the Carrera Cup championship in 2016 and took third in the
Porsche Supercup championship, prompting Porsche to promote him to a "Young Professional." For 2017, Jaminet participated primarily in
ADAC GT Masters, driving for
KÜS TEAM75 Bernhard. He, along with teammate
Michael Ammermüller, finished eight in the
championship, including a win at the first race of the season. Jaminet also made appearances in other series, including a handful of starts in the
Pirelli World Challenge, two starts in the GT Daytona class of the
WeatherTech SportsCar Championship, a participation in the
24 Hours of Spa. Jaminet continued in ADAC GT Masters in
2018 ADAC GT Masters, this time driving for Precote Herberth Motorsport. He and teammate Robert Renauer won the championship, resulting in Jaminet earning more international race outings and a place on the North American
Porsche GT Team to drive endurance races in the
WeatherTech SportsCar Championship, as well as a chance to drive the
2019 24 Hours of Le Mans. For the 2020 season, Jaminet was promoted to a full Porsche factory driver. He continues to drive the North American endurance events with the Porsche GT Team, as well as participating in international
GT3 events. Jamient shared with
Felipe Nasr and
Nick Tandy at the
2023 24 Hours of Le Mans. Beginning in 2023, Jaminet was selected as one of the drivers to pilot the
Porsche 963 as part of Porsche's
LMDh program. For 2023 and 2024, Jamient competed primarily in North America in the IMSA SportsCar Championship. For 2025, he was also selected to be part of Porshe's Hypercar team for the
FIA World Endurance Championship. Jaminet left Porsche at the end of 2025. ==Personal life==