Raposeiro became age-eligible for senior international competitions in 2015. She placed fourth in the all-around at the 2015 Portuguese Championships. She competed on the vault and the uneven bars at the 2015 Anadia World Challenge Cup, but she did not advance into either apparatus final. She was then selected to compete at the 2015 World Championships in Glasgow and finished 165th in the all-around qualification round with a total score of 45.632. This was the final competition of her gymnastics career.