E-commerce Site & Social Media Setup

I'm looking for a comprehensive solution to establish my e-commerce presence and accompanying social media channels.

Website Requirements:
- E-commerce functionality: product catalog, shopping cart, payment gateway integration.
- User-friendly interface and secure transaction processing.

Social Media Setup:
- Create and set up accounts on Facebook, Instagram, Twitter, and YouTube.
- Ensure branding is consistent across all platforms.
- Initial content strategy and posts to kickstart engagement.

Ideal Skills & Experience:
- Proven experience in building e-commerce websites.
- Strong understanding of social media platforms and content creation.
- Familiarity with payment gateway integration and online security measures.