Integration PayPal in Flutter

I am looking for a freelancer who can help me integrate PayPal into my Flutter mobile application. I already have an existing app source and need custom payment solutions that are tailored to my business needs. While I do not have any specific requirements in mind, I am open to suggestions and ideas from experienced developers. The project needs to be completed within 3 days.

Ideal skills and experience:
- Experience with Flutter and PayPal integration
- Knowledge of custom payment solutions and payment gateway integrations
- Ability to work efficiently and meet tight deadlines