React Native push notification

I am looking for a skilled React Native developer who can help me with implementing push notification functionality for my mobile app. The ideal candidate should have experience working with both Android and iOS platforms.

Requirements:
- Experience with React Native and Firebase Cloud Messaging (FCM) for push notifications
- Ability to integrate push notification functionality into an existing React Native app
- Familiarity with handling both promotional and transactional notifications

Responsibilities:
- Implement push notification functionality for both Android and iOS platforms
- Ensure that push notifications are delivered accurately and in a timely manner
- Test and debug any issues related to push notifications

If you have the required skills and experience, please submit your proposal.