🚀 AI-Powered Humanized Sales Assistant Web App (Notion + WhatsApp + Instagram + Mercado Pago + Booking System) We are looking for an experienced AI/full-stack developer (or small team) to build a humanized AI-driven sales assistant web application that integrates multiple platforms and works 24/7. This is NOT a simple chatbot. We need an intelligent, sales-oriented AI system capable of handling inbound leads, qualifying them, and actively driving conversions. 🎯 Project Objective - Develop a centralized AI system that: - Responds to incoming leads 24/7 - Maintains response times between 5–15 minutes - Performs primary sales attention - Classifies leads by purchase probability - Automates follow-ups and discount offers - Tracks performance metrics (organic vs paid leads) 🔗 Required Integrations The system must integrate with: - Notion (as dynamic knowledge base for pricing, products, payment info) - WhatsApp Business API - Instagram DMs - Mercado Pago (payment links + payment verification) - Appointment booking system - CRM-like internal tracking system 🤖 Core Features 1️⃣ Humanized AI Sales Assistant The AI must: - Understand customer needs naturally and respond conversationally - Pull pricing and product information from Notion - Provide payment options: - - Bank transfer - - Credit card - Other available methods like Mercado Pago - Quote products and calculate remaining balance differences - Close in-office appointments or virtual sales - Generate and send Mercado Pago payment links - Send images if requested - Interpret images sent by customers - Respond to voice messages with AI-generated voice replies (voice cloning required) - The assistant must feel natural, persuasive, and professional — not robotic. 2️⃣ Lead Classification Engine Automatically classify leads into: 🔥 Hot – High probability of purchasing within 24 hours 🌤 Warm – Likely to convert with incentives ❄️ Cold – Low short-term probability but possible future buyers 3️⃣ Automated Workflows - Hot Leads - Generate alerts for sales team at: - 3 hours - 7 hours - 10 hours - 15 hours follow-up windows - Warm Leads - Assign to a salesperson - Send automated follow-up after 1 week - Offer $15 USD discount valid for 24 hours - Verify customer has not already purchased - Cold Leads - After 1 week send $50 USD discount (Valid for 12 hours only) 4️⃣ Analytics & Performance Tracking The AI must: Identify whether a lead is: Organic Paid advertising Calculate and display closing rate percentages for: Organic traffic Paid traffic Provide a dashboard for monitoring performance 🧠 Technical Expectations Required experience: LLM integration (OpenAI or similar) WhatsApp Business API & Instagram automation Payment gateway integration (Mercado Pago) CRM logic & workflow automation Voice AI (voice cloning + voice replies) Scalable cloud architecture Secure data handling Preferred: Experience building AI sales agents Strong automation architecture skills UX-oriented thinking 📦 Deliverables Fully functional web application Admin dashboard Lead classification engine Automated follow-up workflows Documentation Deployment support 💬 To Apply Please include: Similar AI or automation projects you have built The tech stack you would use and why Estimated timeline Rough budget estimate Whether you work solo or with a team If you have experience building intelligent AI-driven sales systems, i'd love to speak with you.