Open Source Refactor & UI/UX Enhancement

I'm looking for an experienced developer to refactor an open-source project using our own backend api. The refactor should ensure seamless integration with the frontend and significantly enhance UI/UX, focusing primarily on improving user interaction.

Key Requirements:
- Refactor existing frontend code for better performance and maintainability
- Integrate with our backend
- Improve UI/UX, particularly user interaction

Ideal Skills and Experience:
- Proficiency in working with open-source projects
- Strong backend and frontend integration skills
- Expertise in UI/UX design, especially in user interaction
- Experience in refining form submission processes, interactive elements, and error handling