Car Auction App Development

I need an Android app for car dealers to bid on cars.

Key Features:
- User authentication for car dealers
- Real-time bidding system
- Car listing with detailed specs and images
- Notification system for bids and auction updates
- Secure payment gateway integration

Ideal Skills and Experience:
- Android app development expertise
- Experience with real-time bidding systems
- Strong UI/UX design skills
- Knowledge of secure payment integration
- Experience in developing authentication systems

Looking for a seamless, user-friendly experience. Please share your relevant experience and portfolio.