Neumann made her international debut in 2018, and represented the Wales squad at the 2021 Women's Six Nations Championship.
[1] Neumann began playing rugby as a child, first at Croesgoch Primary and then at Ysgol Dewi Sant.
On 24 June 2023, Neumann sealed victory for Gloucester-Hartpury, with a try 6 minutes from the end, over Exeter Chiefs in the Premier 15s Final.
[10][11] Born in Swansea, Neumann attended Croesgoch Primary and Ysgol Dewi Sant before moving to the University of Manchester, where she graduated in 2016 with a first-class honours degree in biomedical science.
In 2018, she moved to the Manchester Academic Health Science Centre Clinical Trials Unit (MAHSC-CTU), hosted by The Christie NHS Foundation Trust in Manchester to begin a role as clinical trials data manager.