Next.js Update & Code Maintenance

I'm seeking an experienced developer to update my project's Next.js from version 9 to the latest. This task involves updating React and Ant Design as well, while addressing any issues that may arise, including potential code breakage.

Key Responsibilities:
Below is a list of the work that needs to be done.

https://nextjs.org/docs/pages/building-your-application/optimizing/images
https://nextjs.org/docs/pages/building-your-application/optimizing/scripts
https://nextjs.org/docs/pages/building-your-application/optimizing/scripts
https://nextjs.org/docs/pages/building-your-application/optimizing/lazy-loading
https://nextjs.org/docs/pages/building-your-application/optimizing/instrumentation
https://nextjs.org/docs/pages/building-your-application/optimizing/third-party-libraries
https://nextjs.org/docs/pages/building-your-application/styling/css-modules
change folder static to public
- Upgrade react 18
- Upgrade antd latest version
- Rremove unused js/css
- Improve performance / web vitals


Ideal Skills and Experience:
- Extensive experience with Next.js, React, and Ant Design
- Strong problem-solving skills
- Previous experience with code maintenance post-upgrade
- Familiarity with routing and API routes in Next.js

Please note that there is currently no testing in place for the application, so a proactive approach to quality assurance will be necessary.