Dynamic Sports Website Frontend Development

I'm looking to hire an experienced, knowledgeable and specialist in React.js and Next.js developer to program the front end of a dynamic sports website.

Key requirements:
- Implement user authentication
- Build real-time updates for live data
- Integrate various APIs

I have a complete layout ready for the entire website.

User roles and permissions needed:
- Admin
- Editor
- Viewer

Ideal skills and experience:
- Expertise in React.js and Next.js
- Strong background in building secure user authentication systems
- Experience with real-time data handling
- Proficient in API integrations
- Ability to work with provided layouts and designs

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