Flutter-based MyGate App Clone Development

I need a Flutter developer to create a clone of the MyGate app with the following core functionalities:

- Visitor Management
- Community Communication
- Security Alerts

Integration with third-party services is required, including:
- Payment Gateways (supporting Credit/Debit cards, Digital wallets, Bank transfers)
- Messaging Services

Ideal Skills and Experience:
- Proficiency in Flutter development
- Experience with payment gateway integration
- Familiarity with messaging service APIs
- Strong background in mobile app security features
- Excellent communication skills for collaboration

Please provide a portfolio of similar projects completed.