Cross-Platform App Development

I'm looking for experienced app developers to create a new application for both iOS and Android platforms. The app's primary purpose is not defined by the usual categories, but it will include user profiles as a core feature.

Key requirements:
- Development for both iOS and Android
- Implementation of user profiles

Ideal skills and experience:
- Proven track record in cross-platform app development
- Expertise in user profile integration
- Familiarity with both iOS and Android development environments

Please share your previous work and relevant experience.