Food Waste Reduction App Development

I'm looking for a skilled app developer to create a mobile application aimed at reducing food waste, similar to "Too Good To Go." The app needs to be available on both iOS and Android platforms.

Essential features:
- User registration and profiles
- Search and discovery of food deals
- In-app payments

Ideal skills and experience:
- Proven experience in mobile app development for both iOS and Android
- Strong background in implementing secure in-app payment systems
- Experience in designing user-friendly registration and profile systems
- Familiarity with algorithms for effective search and discovery functionalities

Please provide portfolios showcasing similar projects.