Firebase OTP Integration for Authentication

I'm looking for a skilled developer to integrate Firebase phone OTP authentication into my React and Next.js application. The primary goal is to enhance user authentication by incorporating a secure and efficient OTP verification process. I already have an existing Firebase project set up, and I need the OTP verification flow to seamlessly integrate with my current design.

Key Requirements:
- Implement Firebase phone OTP authentication for user login
- Ensure smooth integration with existing React and Next.js application
- Customize the OTP verification flow to match the current design
- Maintain security and efficiency throughout the authentication process

Ideal Skills and Experience:
- Strong proficiency in React and Next.js
- Experience with Firebase authentication services
- Familiarity with integrating OTP verification systems
- Ability to work with existing designs and ensure seamless integration

If you have the expertise to deliver a secure and well-integrated solution, I would love to hear from you.