Despite being born in South Korea, Yang was raised in Bournemouth and spent his youth in the famed Southampton academy, before joining Forest Green Rovers. Yang then joined the Eastleigh Development Squad in 2021 where he went on to make some appearances in the National League.
After a spell on loan at AFC Totton in 2022/23, Yang spent 2024/25 at Sholing and Bemerton Heath Harlequins before signing for The Magpies.