Initially a scrum half, she later moved to Enniscorthy RFC at Under-16 level in 2018 and transitioned to the back-row.
Wafer earned her first Ireland cap in a 29-8 win against Italy in the 2022 Women's Six Nations Championship in Musgrave Park.
However, due to injury her second appearance for the national senior side didn’t arrive until October 2023, when she came off the bench in the 53rd minute in a 15-13 victory over Spain in Dubai.
[5] She scored a try against France in Le Mans and showed tactical flexibility switching from openside flanker to number eight for Ireland's attacking scrums.
[8][9] During the tournament, Wafer's five line-breaks meant she made more than any non-English player, while her two tries ensured she finished as her country's second top try-scorer, behind Katie Corrigan and only Beibhinn Parsons gained more metres with ball in hand than Wafer.