Frontend Revamp with React and TypeScript

I need an experienced frontend developer to enhance my existing application. The frontend is built with React and TypeScript.

Key Tasks:
- Revamp the user interface based on my rough ideas
- Add responsive design improvements
- Add new features as per requirements
- Fix existing bugs and issues

Ideal Skills and Experience:
- Strong expertise in React and TypeScript
- Experience with UI/UX design and wireframing
- Proven track record in responsive design
- Proficient in debugging and fixing frontend issues

Please provide examples of previous work and relevant experience.