Build Bilingual AI Real Estate Sales Agent

Developer Needed: AI Automation Engineer to Build an Intelligent Sales Agent for a US Real Estate Company PRESTIA AI | Fixed-Scope and Fixed-Price Execution Contract 1. Executive Summary PRESTIA AI invites AI and automation developers and specialized firms to submit technical and financial proposals to implement a fully operational Intelligent Sales System for a real estate company in Florida, USA. The project aims to develop an intelligent sales agent supporting both English and Spanish. The agent will engage with leads, qualify and categorize them, record their data in a CRM system, book appointments, send confirmations and notifications, and escalate cases requiring human intervention to designated staff. PRESTIA AI seeks a fully integrated, testable, maintainable, and scalable solution, not merely an experimental chatbot or demo prototype. The system must be well-documented, secure, manageable, and independent of the developer's personal account. 2. Project Objectives The project aims to: Improve response times to prospective leads. Provide effective automated conversations in English and Spanish. Collect, qualify, and classify lead data according to approved business rules. Log lead details and interactions into the CRM system. Automate appointment scheduling and dispatch confirmations/notifications. Minimize lost sales opportunities and optimize follow-up management. Establish a clear escalation protocol for complex cases requiring human intervention. Build a scalable system designed for future operations, maintenance, and expansion. 3. Scope of Work 3.1 Multilingual AI Agent The bidder must design and implement an intelligent sales agent with the following functionalities: Conduct conversations, qualification, follow-ups, and appointment bookings in English and Spanish. Automatically detect the lead's language and respond accordingly, while allowing manual language selection. Handle incoming inquiries via website and official WhatsApp Business channels. Rely strictly on verified company, real estate, and service information to prevent hallucination of prices, specs, or availability. Collect and qualify lead data based on custom rules provided by PRESTIA AI. Maintain conversation context and lead data during language switching or transition between qualification and booking stages. Escalate unsupported inquiries or complex scenarios to human representatives based on clear routing logic. 3.2 CRM Integration & Appointment Management Scope includes: Capturing leads and logging key interactions into the designated CRM. Creating and updating records while preventing duplicate entries caused by re-triggered events. Integrating with calendar systems (e.g., Google Calendar) to verify real-time availability prior to confirming bookings. Preventing double-booking and sending bi-lingual scheduling confirmations/notifications to responsible teams. Supporting cancellations and rescheduling if included in agreed terms. 3.3 Technical Integration & Automation The bidder must build required integrations across: Website & lead collection forms WhatsApp Business API (official provider) CRM & Calendar systems Notification channels Technical requirements: Implement error logging and automatic retry mechanisms for failed API calls. Secure API keys, enforce proper access controls, and safeguard lead data. Deliver a system fully operational, manageable, and maintainable without reliance on personal developer accounts. Low-Code/No-Code platforms, custom APIs, or off-the-shelf AI services may be used provided they fulfill requirements, offer ease of management, and document all costs clearly. Note: All tools, CRM selections, integration methods, and estimated operational fees must be disclosed upfront. No paid additions or subscriptions may be purchased without prior written approval from PRESTIA AI. 4. Live Demo & Pre-Selection Prototype Shortlisted candidates must deliver a Live Demo or limited prototype demonstrating core functionality in both English and Spanish, including: Live conversations with language auto-detection and manual switching. Lead qualification, data capture, and mock/live CRM record creation. Real-time availability checking and appointment confirmation. Graceful handling of unknown data and seamless handoff to human agents. Evaluation focuses on data accuracy, context retention, and functional execution rather than UI aesthetics alone. Full project work will not be built for free; demo scope, duration, and any nominal costs must be agreed upon in advance. 5. Key Deliverables The bidder must deliver: Fully operational, production-ready system per agreed scope. English/Spanish AI Sales Agent operating under specified workflows. Complete automation flows, custom code, and configuration files (flagging non-exportable components). Live integrations across Website, WhatsApp, CRM, Calendar, and Alerts. Technical documentation, architecture diagrams, and workflow maps. User operations & troubleshooting guide for routine maintenance and setting updates. Itemized breakdown of software tools, API subscriptions, and operational expenses. Verified testing reports proving successful execution in both languages. Formal handover session and practical training. Transfer of all system access rights, accounts, and configuration files according to ownership agreements. 6. Acceptance Criteria & Testing Prior to development, testing scenarios and pass criteria will be defined in writing. Testing must cover: Bi-lingual interactions via Web and WhatsApp. Lead qualification, CRM record generation, and deduplication logic. Valid booking flow, calendar synchronization, and conflict rejection. Automated alert dispatches and human handoff routing. Error recovery, API retry behavior, and security access controls. Project acceptance requires written approval from PRESTIA AI after passing all test benchmarks. 7. Timeline, Pricing & Payment Terms Timeline: Bidder must provide a realistic milestone plan covering develo