I am seeking an experienced developer to build a WhatsApp automation system for a real estate agency. The goal is to automate customer communication, improve lead qualification, and provide instant property information through WhatsApp, operating 24/7. The system must include a WhatsApp chatbot integrated with a basic CRM (mini CMR) to categorize and track leads. This is not a mobile app project. WhatsApp Chatbot operating 24/7 Automatic responses to frequently asked questions Property information delivery (price, location, availability, images/links) Automated lead qualification (buyer intent, budget, urgency) Visit scheduling request flow Human handoff logic when needed Mini CRM (CMR) Lead categorization (New, Interested, Visit Booked, Hot, Cold) Lead interaction history Basic metrics (total leads, qualified leads, visits booked) Simple admin interface or dashboard Integrations WhatsApp Business API (Meta / Twilio / 360dialog or similar) Property data source (Excel, CRM, website, or database) Technical Requirements Proven experience with WhatsApp Business API Backend development experience (Node.js, Python, or similar) Chatbot logic design and automation workflows Experience integrating with CRMs or databases Clean, documented, and maintainable code Out of Scope (Important) The following are NOT included in this project: Android or iOS app development Barcode scanning Face ID / Touch ID In-app purchases Ad network integration App Store / Play Store publishing Payment gateway integration Website-to-app conversion Developers proposing these features will not be considered. Timeline Estimated delivery: 7–10 working days Timeline starts after all required credentials and data are provided Deliverables Fully functional WhatsApp chatbot Working mini CRM for lead classification Tested workflows Basic documentation or usage guide Up to 3 revision rounds What We Will Provide Access to property data (or website/CRM) Business rules and FAQs (or approval to define them) Branding information (if needed) WhatsApp Business API access or authorization to set it up Ideal Candidate Has delivered WhatsApp automation projects before Understands sales and lead qualification logic Communicates clearly and professionally Interested in long-term collaboration (future projects available) How to Apply Please include: Brief description of your experience with WhatsApp automation Tools or platforms you’ve used (Meta API, Twilio, etc.) Examples or case studies (if available) Which WhatsApp Business API providers have you worked with, and what are the key limitations of the API? How would you design a chatbot to qualify real estate leads via WhatsApp? How would you implement a simple CRM to track and categorize leads for this project? How would you integrate property listings into the chatbot? What technology stack would you use for this project and why? How do you ensure data security and WhatsApp policy compliance? Can you deliver this project in 7–10 working days after receiving all inputs? What does monthly maintenance typically include?