Make my Laravel app into a SaaS, multitenant/multidomain , with some modifications.

I am looking for a skilled developer to transform my existing Laravel app into a saas platform, along with some modifications.

Modifications needed:
- UI/UX improvements
- Additional features
- Performance optimization

I have a specific deadline for this project and my budget is under $200.

Ideal skills and experience:
- Strong proficiency in Laravel framework
- Experience in developing saas applications
- Knowledge of UI/UX best practices
- Ability to optimize performance for high scalability

If you are a talented developer with the required skills and experience, please submit your proposal.