I need an experienced Bubble.io developer to help with the following: 1. Messaging System - Set up a real-time messaging feature for users to send/receive messages within the app. - Can be implemented using a Bubble chat plugin or reliable third-party integration (e.g., CometChat, Agora, or Firebase). - The system must be simple, clean, and user-friendly. 2. Payment Gateway (Paystack) Integration - Enable subscriptions/payments so users can unlock premium features. - Connect the app to Paystack using API keys (via plugin or Bubble’s API Connector). - Ensure payment verification, error handling, and smooth user experience. Ideal Skills and Experience: - Strong experience with Bubble.io development. - Familiarity with API integrations (especially payment gateways like Paystack). - Experience setting up chat/messaging features on Bubble.io.