E-commerce Website and Hybrid App Development

I am looking for a skilled developer to create an e-commerce website and hybrid app for my online retail store. I am open to suggestions for the design and layout of the website and app. However, the key features that I require are vendor registration portal, customer registration portal, admin portals for these, dispatch and payment gateway integration. Additionally, the project will involve product search and filter functionality. Ideal skills and experience for this job include:

- Proficiency in e-commerce website and hybrid app development
- Experience with payment gateway integration
- Knowledge of user registration and profile management systems
- Expertise in implementing product search and filter functionality

Only for persons having prior experience who can give me a demo