Cashfree Gateway Integration (React Native)

We are looking for an experienced developer to integrate Cashfree payment gateway into our React Native app with a Node.js backend.

Task Requirements:
Implement React Native side checkout flow for Cashfree payments.
Verify order payment status and handle callbacks.
Ensure secure and smooth transaction handling.
Integrate seamlessly with our existing Node.js backend for order verification.

Key Skills Needed:
React Native (experience with payment gateways).
Node.js backend integration.
Familiarity with Cashfree API and SDK.
Strong understanding of secure payment workflows.

Deliverables:
Fully functional React Native checkout integration.
Backend order verification implementation.
Proper error handling and test cases.
Short documentation for usage and integration.