PHP, Laravel, Web App Pre-Production fix all errors and bugs

I need help to finalize a pre-production web app. The project involves correcting user profiles, modules, issues, and adding edit and delete functionality for pages and below are Points to complete and will provide detail documentation on call.

Key Requirements:
- Add Payment Gateway Link and Integration Testing.
- Fix company module errors while importing companies in Admin Panel
- Fix user Imports Module errors while importing users in Admin Panel
- Add Email Settings Template Copying in Admin Panel as well.
- Job Posting fields correcting and adding new fields
- Create cron jobs for matched jobs with hotlist.
- Fix issues on User Type Fields/Attributes.
- Will provide detail documentation while in conversation.

Tasks after moving to cloud hosting
- Optimize for best search filters, add OPcache enabled for faster execution, Cloudflare, Memcached/Redis
caching, cache static assets (CSS, JS, images,
- Use Laravel Echo with Redis or Pusher for lightweight WebSocket handling.
- Use Cloudflare’s WAF (free) to block malicious traffic.

Ideal Skills:
- Experience with user authentication and payment processing
- Proficiency in web app development
- Strong problem-solving skills

Looking for a fulltime dedicated freelancer who can ensure the app is fully functional and ready for product launch.
Time: within 15 Days not more than that.
We are looking Dedicated fulltime freelancer who can complete this project soon with product launch testing and fully functional with bugs and errors.
This is fixed contract not hourly contract, do not apply if you are not okay with budget and timeline.