
Samuel
CRM Expert
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AI Automation Engineer & Voice Agent Developer
Inventory • Freelance
Nov 2025 - Apr 2026 • 5 mos
Designed and deployed a full end-to-end AI voice agent system for appointment scheduling, receptionist automation, and CRM management, integrating conversational AI directly into live business operations. Built and deployed a custom AI voice agent using Vapi and Retell AI to handle inbound and outbound calls with natural, human-like conversation flows using ElevenLabs Text-to-Speech and Whisper STT Designed intelligent IVR call routing using Twilio to manage call flows, transfers, and escalations with real-time voice AI via LiveKit and WebRTC Developed an AI receptionist system that answers calls 24/7, qualifies leads, and books appointments automatically without human intervention Integrated appointment scheduling automation with Calendly and GoHighLevel calendar, including automated SMS and email reminders via Twilio Set up full GoHighLevel CRM including pipeline automation, contact management, lead routing, and post-call automation that auto-tags contacts and updates records Built multi-step workflow automation using Make and n8n connecting GoHighLevel with external tools via webhooks and RESTful APIs Reduced lead response time through instant AI-powered follow-up and improved conversion through intelligent CRM routing. Vapi · Retell AI · ElevenLabs · Twilio · LiveKit · WebRTC · GoHighLevel · Make · n8n · Calendly · OpenAI API · Prompt Engineering · NLP · Whisper STT · Text-to-Speech · RESTful API · Webhooks -LiveKit · WebRTC