Fullstack E-commerce for Digital Gaming

I'm seeking a skilled fullstack developer to create a comprehensive e-commerce site for digital gaming products. The website should be user-friendly, secure, and optimized for efficient transactions.

Key requirements:
- Frontend: React.js
- Backend: Node.js
- Database: MongoDB

Design:
- I am looking for a professional design, so I need assistance with the design process. Please be ready to present your design ideas.

Products:
- The e-commerce site will sell primarily keys, usernames and passwords for a variety of digital gaming products.

- Geteway payment Stripe and Pix
- Automated Delivery: Implement a system to automatically deliver purchased digital games to the customer’s dashboard.
- Dashboard Development: Create a personalized dashboard for customers to access their purchases and account information.
- Multi-language Support: Implement support for English and Brazilian Portuguese.
- Email Integration: Set up automated email notifications for purchases, account activity, and other important updates.
- e-commerce must have two currencies, Euro and Brazilian Real

Ideal skills:
- Proficient in React.js for the frontend
- Experienced in Node.js for the backend
- Skilled in MongoDB
- E-commerce development experience, particularly in gaming products
- Strong understanding of UX/UI design
- Ability to create secure payment mechanisms and user authentication

Please provide examples of your previous work, especially if they relate to e-commerce or gaming platforms.