High-Fidelity Mobile App UX

I need an experienced UX/UI designer who can take my rough concept and turn it into a polished, high-fidelity prototype in Figma or Framer. The end goal is to boost user engagement, so every screen and flow should feel intuitive and genuinely fun to use... (Budget: $2000 - $6000 HKD, Jobs: Figma, Framer, Graphic Design, iPhone, Mobile App Development, Prototyping, UI / User Interface, User Interface / IA, User Research, UX / User Experience)