Custom Multivendor eCommerce Marketplace Development

I'm in need of a seasoned web developer who can create a custom-built, multi-vendor eCommerce marketplace. This platform should have the following core features:

- Vendor Management System: A robust system to manage various vendors, their products, and transactions.
- Payment Integration: The marketplace should support multiple payment gateways for ease of transactions.
- Product Management: A comprehensive system for product listing, tracking, and management.
- Google Maps API

In terms of user authentication, I want to implement an OTP system for enhanced security.

Ideal Skills:
- Extensive experience in custom web development
- Proficiency in creating eCommerce platforms
- Knowledge of vendor and product management systems
- Expertise in payment gateway integration
- Ability to implement secure user authentication systems