Sngine PHP Social Network Setup, Redesign P2P Advisory System & WebRTC Integration

I'm seeking an experienced Full-Stack PHP Developer with Sngine expertise for several tasks.

Key Tasks:

Sngine Setup & Installation
- Install and configure Sngine on our server
- Ensure scalability for future growth

Redesign & Customization
- Redesign and customize 10 to 15 social network websites and mobile apps based on Sngine
- UI/UX improvements across platforms (web + app)
- Ensure a clean, modern, and responsive design

P2P Advisory System Integration
- Create and integrate a Peer-to-Peer (P2P) advisory module
- Include rating, payment, and session management features

WebRTC Integration
- Add WebRTC for real-time audio/video calling between users
- Ensure secure, high-quality communication

Ideal Skills & Experience:
- Proficiency in PHP and Sngine platform
- Strong experience in UI/UX design and application customization
- Familiarity with P2P systems and WebRTC technology
- Ability to ensure scalability and security in setups

Please provide a portfolio showcasing similar projects.