[15][16] She then competed with Juliette Bossu and Mélanie de Jesus dos Santos at the European Youth Olympic Festival in Tbilisi where they placed sixth in the team competition.

She made her senior international debut at the City of Jesolo Trophy and finished fourth on the balance beam with a score of 14.700, only 0.050 points behind bronze-medalist Aly Raisman.

[21] She was then selected to compete at the Olympic Test Event alongside Marine Brevet, Loan His, Anne Kuhm, Oréane Lechenault, Louise Vanhille.

[28] Boyer was selected to represent France at the 2016 Summer Olympics alongside Marine Brevet, Loan His, Oréane Lechenault, and Louise Vanhille.

[29] During the qualification round, the French team finished eleventh, and Boyer qualified for the balance beam final in seventh place with a score of 14.600.

[31][32] At the City of Jesolo Trophy, Boyer finished twelfth in the all-around and tied with Flávia Saraiva for the silver medal on the balance beam behind Riley McCusker.

[41] Boyer won the silver medal on the balance beam behind teammate Mélanie de Jesus dos Santos at the Doha World Cup.

[45] At the Sainté Gym Cup, France won the team gold medal against Germany and Switzerland, and Boyer placed seventh in the all-around.

[46] In August, Boyer competed in the European Championships in Glasgow alongside Juliette Bossu, Lorette Charpy, Mélanie de Jesus dos Santos, Coline Devillard, and they finished first in the qualification round.

[50] Boyer was selected to compete at the World Championships alongside Juliette Bossu, Lorette Charpy, Mélanie de Jesus dos Santos, and Louise Vanhille.

[53] At the Baku World Cup, Boyer won the silver medal on the balance beam after losing the execution-score tiebreaker to Australian Emma Nedov.

[58] Boyer was then named to the team to compete at the World Championships in Stuttgart alongside Lorette Charpy, Mélanie de Jesus dos Santos, Coline Devillard, and Aline Friess.

[67] She was then selected to represent France at the 2020 Summer Olympics alongside Héduit, Mélanie de Jesus dos Santos, and Aline Friess.

[72] In October Boyer was named to the team to compete at the World Championships in Liverpool alongside Mélanie de Jesus dos Santos, Coline Devillard, Aline Friess, and Carolann Héduit.

[75] Boyer was named to the team to compete at the World Championships alongside Lorette Charpy, Mélanie de Jesus dos Santos, Coline Devillard, and Morgane Osyssek.

[77] In May Boyer competed at the European Championships alongside Ming van Eijken, Lorette Charpy, Coline Devillard, and Morgane Osyssek.

In July Boyer was officially selected to represent France at the 2024 Summer Olympics alongside Mélanie de Jesus dos Santos, Devillard, Osyssek, and van Eijken.