Migrate Angular Social App to React Native

I'm looking for a skilled developer to migrate my existing Angular-based social networking app to React Native. The new version should retain all the current features and functionality, with the addition of an in-app purchases capability.

Key Requirements:
- Migrate existing Angular app to React Native
- Retain all current app features: User profiles, Messaging system, News Feed
- Implement in-app purchases feature

Ideal Skills:
- Proficient in React Native and Angular
- Experience with building social networking apps
- Knowledge of implementing in-app purchases