Voss turned senior in 2015 and competed at the German National Championships where she placed sixth in the all-around, fifth on uneven bars, and sixth on floor exercise. In October she competed at the Worlds Selection Trials where she one again placed sixth in the all-around but was not named to the team to competed at the 2015 World Championships. The following week she competed at the Länderkampf Kunstturnen where she helped Germany finish second behind Brazil. Voss finished the season competed at the Toyota International Cup where she placed sixth on the uneven bars and eighth on floor exercise.
2016
Voss competed at the DTB Pokal Team Challenge where she helped Germany win the silver behind Russia. She later competed at the Doha World Cup where she placed seventh on floor exercise. Voss was selected to represent Germany at the European Championships alongside Kim Bui, Lina Philipp, Maike Enderle, and Amélie Föllinger. While there she helped Germany finish seventh in the team final. In June Voss competed at the German National Championships where she placed seventh in the all-around but did not qualify to any event finals. At the Olympic Trials Voss placed sixth in the all-around and was not named to the team to competed at the Olympic Games.
2017
In March Voss competed at the DTB Pokal Team Challenge where she helped the Germany II team place fourth. In May she competed at the FinGym Turku where she place second on balance beam behind Tamara Mrdjenovic of Serbia but won gold on floor exercise. In June Voss competed at the German National Championships where she placed fifth in the all-around behind Elisabeth Seitz, Pauline Schäfer, Kim Bui, and Amélie Föllinger. Additionally she placed fourth on balance beam. At the World Trials Voss placed fifth in the all-around but was not named to the team to compete at the World Championships. Voss competed at the Paris Challenge Cup where she placed fifth on vault and seventh on balance beam. Voss ended the season at the Toyota International Cup where she placed second in the all-around behind Sae Miyakawa of Japan, eighth on uneven bars and balance beam, and third on floor exercise behind Mai Murakami and Aiko Sugihara, both of Japan.
2018
In March Voss competed at both the Stuttgart and Birmingham World Cups where she placed fifth and eighth respectively. In June Voss competed at the German European Championships trials where she placed second in the all-around behind Pauline Schäfer and was named to the team to compete at the European Championships alongside Schäfer, Kim Bui, Leah Griesser, and Emma Höfele. Prior to Euros the team competed at the Sainté Gym Cup, a friendly meet in France, where they placed second behind France but ahead of Switzerland. At the European Championships Voss helped Germany finish ninth in qualifications but they did not advance to the team final. Individually Voss qualified to the vault final and finished fourth overall behind Boglárka Dévai, Angelina Melnikova, and Denisa Golgotă. In September Voss competed at the German World Trials where she placed third behind Bui and Carina Kröll. Later that month she competed at the German National Championships where she placed sixth in the all-around but won gold on vault and balance beam. In October Voss competed at the 2018 World Championships in Doha alongside Elisabeth Seitz, Bui, Sophie Scheder, and Griesser. As a team they finished eighth in the team final.
2019
In August Voss competed at the German National Championships where she placed first in the all-around. Additionally she placed first on vault and balance beam and fifth on floor exercise. Later that month she suffered a minor foot injury and missed the German World trials. In September Voss was named to the team to compete at the 2019 World Championships in Stuttgart alongside Kim Bui, Emelie Petz, Elisabeth Seitz, and Sophie Scheder. Later that month she competed at a friendly competition in Worms, Germany where she helped Germany finish first ahead of Belgium, France, and a mixed team. Additionally she posted the second highest scores on vault and balance beam. At the World Championships Voss competed all four events during qualification and helped Germany place ninth as a team. Although they did not qualify to the team final, they qualified a team to the 2020 Olympics Games in Tokyo. Individually Voss qualified to the all-around and balance beam finals. In the all-around final Voss finished in tenth place. During the balance beam final she finished in seventh place. Voss ended the season by competing at the Arthur Gander Memorial in Morges, Switzerland where she finished second behind Lorette Charpy of France.
