Wei had her first acting role on stage in the Hong Kong Youth Arts Foundation production of
#Hashtag. She made her television debut in the 2022
Netflix mystery thriller series
1899, as geisha-dressed character Ling Yi. In 2023, she was cast in the lead role in Silent D Pictures' comedy-drama film
High Wire alongside
Dominic Lam. She appeared as Zadie in the 2024 remake of
The Crow alongside
Bill Skarsgård and
FKA Twigs. In 2025, she appeared in the espionage thriller
Black Doves. In 2026, she appeared as Posy Li in the fourth series of
Netflix series
Bridgerton. ==Personal life==