Vester made the move from being an individual training at TB 1889 Oppau to the rooster of the national group in February 2022, her first senior year.

She was selected to perform in the 5 hoops exercise at the 2022 Rhythmic Gymnastics European Championships in Tel Aviv, Israel, scoring 30.150, the group came in 12th place in the all-around.

[2] In late August she competed at the World Cup in Cluj-Napoca, winning bronze in the 3 ribbons + 2 balls' final.

[4] Following Bulgaria and Israel's withdrawal Germany was able to medal in the team competition, Hannah and her teammates Anja Kosan, Daniella Kromm, Alina Oganesyan, Francine Schöning and the two individuals Margarita Kolosov and Darja Varfolomeev were awarded silver for their results.

[6] In April the girls competed in Tashkent where they won two silver medals in the All-Around and with 3 ribbons and 2 balls.