We are looking for an experienced developer to build a robust, end-to-end WhatsApp Chatbot for our business. The goal is to automate the entire customer journey—from the initial enquiry and product browsing to payment and CRM logging—without the customer needing to leave the WhatsApp interface. Core Key Features Required - Enquiry Handling: Automated responses to FAQs - Interactive Product Catalog: Integration of a WhatsApp Business Catalog. - Ability for users to browse categories, view product details, and "Add to Cart." - Payment Gateway Integration: Secure checkout within WhatsApp (using Razorpay, Stripe, or WhatsApp Pay). - Automatic generation of invoices/receipts upon successful payment. - CRM & Lead Management: Automatic syncing of customer data - Labeling customers based on their stage in the sales funnel (e.g., "Interested," "Cart Abandoned," "Paid"). Sales Automation & Retargeting: abandoned cart reminders. - Order confirmation and real-time shipping updates. Freelancer Requirements - Proven portfolio of live WhatsApp bots (please share links or videos). - Experience with API documentation and third-party integrations. - Strong understanding of conversational UX (keeping the flow simple and engaging).