React/Next.js Enhancement Developer Needed

I'm looking for a skilled React/Next.js developer to enhance my existing application. This can be on an hourly basis or based on a defined scope.

The enhancements needed are:
- New Features: Primarily focusing on real-time updates.
- Interface Improvements: Modernizing the UI for better user experience.
- Performance Optimizations: Ensuring the app runs smoothly and efficiently.

Ideal Skills and Experience:
- Proficiency in React and Next.js
- Experience with real-time data handling (e.g., WebSockets, Firebase)
- Strong UI/UX design skills
- Performance optimization expertise
- Prior experience in enhancing existing applications

Please provide examples of similar work done. Looking forward to your bids!