Joslyn was admitted to the High Court of Malaya as an Advocate & Solicitor in March 2023. She read in the chambers of Messrs Kee Sern, Siu & Huey in 2020 under the tutelage of Ms. Yap Jyy Huey. She joined the firm as a legal associate of the corporate and real estate department.

Joslyn specialises in real estate matters. She advises and represents individuals, companies and insolvency practitioners in real estate transactions. She also advises and represents borrowers and lenders on banking and financing transactions, including preparing and reviewing loan and security documents for both retail and commercial loan transactions.