Senior Web Dev for NFT Analysis App

I'm seeking a senior web application developer to create an NFT marketing analysis platform.

Key Requirements:
- Expertise in React.js, Node.js, Typescript, and MongoDB
- Payment gateway integration for e-commerce functionality
- In-depth NFT marketing analysis tools:
- Market trends tracking
- NFT valuation
- Competitor analysis

Ideal Skills & Experience:
- Strong background in web application development
- Experience with NFT and crypto markets
- Proven track record of integrating secure payment gateways
- Ability to deliver a user-friendly, data-rich analysis platform

Please share your portfolio and relevant experience.