Born in France, Gene is of Martiniquais and Malagasy descent. Gene is a product of the youth academies of US Croissy,
Versailles and
Amiens. He signed his first professional contract with Amiens on 22 June 2021. He made his professional debut with Amiens in a 1–1
Ligue 2 tie with
Le Havre AC on 20 November 2021. On 11 February 2025, Gene signed a three-year deal with
Major League Soccer side
Minnesota United for a reported fee of $2 million. ==International career==