Experienced React Native Developer - Monthly Engagement

I am looking for a React Native developer proficient in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building the application .

Responsibilities -

Build pixel-perfect, buttery smooth UIs across both mobile platforms.
Leverage native APIs for deep integrations with both platforms.
Diagnose and fix bugs and performance bottlenecks for performance that feels native.
Reach out to the open source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
Maintain code and write automated tests to ensure the product is of the highest quality.
Transition existing React web apps to React Native.