On March 26, 2023, Monteiro won a gold medal in the lightweight division of the
IBJJF Pan Championship 2023. She then competed in the
Campeonato Brasileiro de Jiu-Jitsu on May 7, 2023 and won gold in the lightweight division. Monteiro competed in a superfight against
Nathalie Ribeiro at ADXC 1 on October 20, 2023. She won the match by unanimous decision. Monteiro was invited to compete in the women's lightweight division of The Crown on November 19, 2023 along with
Brianna Ste-Marie, Janaina Lebre, and
Nathalie Ribeiro. She beat both opponents and won the tournament. Monteiro competed against
Elisabeth Clay at UFC Fight Pass Invitational 5 on December 10, 2023. She lost the match by submission. Monteiro competed against Julia Alves in a superfight at BJJ Stars 12 on April 27, 2024. She lost the match on points. Monteiro won a gold medal in the lightweight division at the
IBJJF World Championship 2024, then announced her retirement from the tournament immediately afterward. Monteiro was due to compete in the lightweight division at the second edition of The Crown on November 17, 2024, but she withdrew due to undisclosed reasons. She then won a silver medal in the lightweight division of the
IBJJF Pan Championship 2025. == Competitive style ==