Custom MERN E-commerce Development

I need a full-stack MERN developer to create a custom e-commerce platform. The platform should include:

- User authentication and account management
- Product catalog and search
- Shopping cart and checkout

Ideal Skills and Experience:
- Strong proficiency in MongoDB, Express.js, React.js, and Node.js
- Experience in building scalable e-commerce applications
- Knowledge of payment gateway integration
- Familiarity with third-party service integration like shipping and inventory management

Please provide examples of similar work done.