We are looking for a Full-Stack Developer / AI Engineer to build and maintain our WhatsApp chatbot. You will connect WhatsApp to AI (ChatGPT/OpenAI), manage hosting, and integrate local payment systems.

Key Responsibilities

• Set up and manage WhatsApp Business API.
• Build a backend (Node.js or Python) to route user messages to AI.
• Connect to OpenAI API for generating responses.
• Deploy the application on cloud hosting (AWS, Render, Railway).
• Manage a simple database for users and payments.
• Integrate PNG payment providers (CellMoni, BSP Pay, MiCash).