Next.js ChatGPT Integration & Payment Setup completely

I'm looking for a skilled developer with experience in Next.js and ChatGPT integrations to resolve multiple issues on my project.

Key Tasks:
- Fixing the autocomplete functionality, overall API integration and user interface issues with ChatGPT.
- Enhancing the error handling and improving the integration for autocomplete suggestions.
- Troubleshooting connection problems and data handling errors with the overall API.
- Moving the ChatGPT integration to the server side.
- Integrating PayPal and Razorpay for website payments.
- Deploying the complete project to Vercel.

Ideal Skills and Experience:
- Proficient in Next.js and server-side scripting.
- Extensive experience with ChatGPT and its integrations.
- Strong knowledge of PayPal and Razorpay integrations.
- Expert in Vercel deployments.
- Excellent problem-solving skills, particularly in connection and data handling issues.
- Able to enhance system efficiency and error handling capabilities.