Fintech App UI/UX Design

I'm seeking a creative and experienced UI/UX designer for a modern fintech application. The app facilitates secure transactions between buyers and sellers, targeting general consumers.

I have a complete project plan, including all screen flows, logic, and content. Your design should be clean, modern, and professional, focusing on enhancing user experience and building trust.

Requirements:
- Design UI/UX for mobile application (iOS/Android)
- Deliverables in Figma or Adobe XD
- Focus on simplicity, clarity, and user trust
- Strong fintech or financial app portfolio preferred

Please share samples of your previous work. This project has potential for long-term collaboration.