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Yuliya Zheldak is an experienced Senior Radio Frequency Design Engineer currently working at Service Stream since May 2022, where responsibilities include coordinating and managing the RF design process and resolving technical difficulties. Previously, Yuliya held positions as a Radio Frequency Design Engineer at Telstra, a Wireless Network Engineer at nbn™ Australia, and an RF Optimisation Engineer at Telstra and Huawei Technologies. Early career roles include optimization and planning at Kcell АО and Kcell JSC. Yuliya holds a Bachelor of Applied Science in Physics from Al-Farabi Kazakh National University.