She first gained recognition for her role as Rosaline Capulet in the ABC period drama series Still Star-Crossed (2017) going on to win the BAFTA Rising Star Award in 2022.

She has since had roles in the James Bond film No Time to Die (2021), Matilda the Musical (2022), The Woman King (2022), and Bob Marley: One Love (2024), as well as the television series Day of the Jackal (2024).

[8] At the same time, she also appeared in the British science fiction comedy The Intergalactic Adventures of Max Cloud with Scott Adkins and John Hannah.

[20] The same year, Lynch also played veteran warrior, Izogie, in the historical epic, The Woman King, about the Agojie, the all-female military unit of the Kingdom of Dahomey, one of the most powerful states of Africa in the 18th and 19th centuries.

[23][24] In 2024, Lynch was revealed to be the voice actress and likeness for the main character of Directive 8020, Brianna Young, marking her first work on a video game project.