Flutter Web App Development Needed

I'm looking for an experienced Flutter developer to create a web application with several key features. The app should be robust, user-friendly, and secure, incorporating the latest web technologies.

Key Requirements:
- Develop a web app using Flutter framework
- Implement user authentication with options for Email and Password, Social Media Login, and Two-Factor Authentication
- Integrate real-time chat functionality for seamless communication
- Set up a reliable payment integration system for transactions

Ideal Skills and Experience:
- Strong proficiency in Flutter for web development
- Experience with implementing various user authentication methods
- Knowledge of real-time chat technologies and payment gateway integration
- Ability to deliver a secure, responsive, and high-performance web application
- Good problem-solving skills and attention to detail

If you have the expertise to bring this project to life, I would love to hear from you!