He is known for his dynamic style and commitment to advancing his skills on the international stage.
In February 2025, Deja demonstrated his competitive edge by placing 18th in the Freeski Slopestyle at the National Junior Championships held in Nordkette Innsbruck, Austria. This performance showcased his ability to contend with top young talents in the sport.
In October 2024, he further highlighted his prowess by achieving a 2nd place finish in the Freeski Slopestyle at a FIS competition in SnowWorld Landgraaf, Netherlands, earning 40.80 FIS points, and followed it up with a 4th place finish in the Freeski Rail Event at the same venue, scoring 27.60 FIS points. These results underscore his potential as an emerging talent in freestyle skiing.