I am looking for a developer to finish yet the 20% which was remain from a web application with a clean, modern interface.

I am looking for a developer to complete the remaining ~20% of an web application with a clean, modern interface.

The application is already ~80% built. I need help with:

Final UI/UX refinements

Fixing small issues and polishing existing features

Completing a few remaining components
Ensuring smooth performance and responsiveness

I am looking for someone who:

Has experience with modern web stacks (e.g. Next.js, React)

Can work efficiently on an existing codebase

Pays attention to detail and UI quality