Node.js Backend Dev for Multi-Vendor App

I'm seeking an experienced Node.js backend developer for my multi-vendor Flutter project.

Key Requirements:
- Core Functionality: Product listing and management
- Existing SQL-based database for product management

Ideal Skills & Experience:
- Strong expertise in Node.js
- Experience with SQL databases
- Background in building backend for multi-vendor applications
- Familiarity with Flutter is a plus
- Ability to create scalable and efficient APIs

Please provide relevant experience in your bids.