Multi-platform eCommerce Development

I'm seeking a proficient developer to create a dynamic eCommerce website and corresponding Android and iOS apps.

Here's what I require:
- eCommerce platform creation, accessible via web and mobile
- Android app
- iOS app
- The primary function is sales but it also serves as a product/service display platform
- Design and branding specifics are unconfirmed. I'm counting on your creativity and possible proposals regarding this matter.

Required skills and experience:
- Demonstrable experience in eCommerce website and app development
- Knowledge in Android and iOS development
- Proficiency in UX/UI design for improved client interaction
- Strong understanding of secure, efficient functionality for a high-performance platform
- Proactive input regarding design and branding decisions is welcomed.
I look forward to an innovative partner who can bring recommendations and high capabilities to this project.