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AI Voice Agent Developer | Vapi AI & Retell AI | Automated Call Handling & Lead Booking Missed calls and slow follow-up cost businesses real revenue. I build AI voice agents on Vapi AI and Retell AI that answer calls, qualify leads, and book appointments so your business responds instantly, 24/7, without hiring extra staff. ★★★★★ "This is my second time working with Zarah, and once again she delivered exceptional work." repeat client, home services business What I build: Inbound AI voice agents that answer, qualify, and route calls (Twilio, PBX, Asterisk) Outbound AI callers for lead follow-up, re-engagement, and appointment confirmation AI receptionists for healthcare, real estate, hospitality, and local service businesses End-to-end integration with your CRM, calendar, and workflow tools (HubSpot, GoHighLevel, n8n, Make, Zapier) Recent results: Dental clinic: built an AI receptionist handling booking, reminders, and patient inquiries client reported zero missed new-patient calls in the first month Local service business: deployed a Retell AI outbound caller that re-engaged a dormant lead list, booking 18 appointments in the first two weeks Lead workflow client: integrated Retell AI with n8n for fully automated intake eliminated manual data entry and cut lead response time from hours to under a minute How it works: message me with your use case → I'll map your call flow and tell you honestly whether a voice agent fits → if it does, most builds are live within 1-2 weeks. If you're losing leads to missed calls or slow response times, let's talk. Retell AI, Vapi AI, AI Voice Agent, Retell AI Developer, Vapi AI Developer, AI Voice Agent Development, Retell AI Integration, Vapi AI Integration, AI Voice Agent Automation, Retell AI Voice Agent, Vapi AI Voice Agent, AI Voice Agent Expert, Retell AI Solutions, Vapi AI Solutions, Retell AI Automation, Vapi AI Automation, AI Voice Agent Consultant, AI Voice Agent Solutions, Retell AI Expert, Vapi AI ExpertRetell AI, Vapi AI, AI Voice Agent, Retell AI Developer, Vapi AI Developer, AI Voice Agent Development, Retell AI Integration, Vapi AI Integration, AI Voice Agent Automation, Retell AI Voice Agent, Vapi AI Voice Agent, AI Voice Agent Expert, Retell AI Solutions, Vapi AI Solutions, Retell AI Automation, Vapi AI Automation, AI Voice Agent Consultant, AI Voice Agent Solutions, Retell AI Expert, Vapi AI ExpertRetell AI, Vapi AI, AI Voice Agent, Retell AI Developer, Vapi AI Developer, AI Voice Agent Development, Retell AI Integration, Vapi AI Integration, AI Voice Agent Automation, Retell AI Voice Agent, Vapi AI Voice Agent, AI Voice Agent Expert, Retell AI Solutions, Vapi AI Solutions, Retell AI Automation, Vapi AI Automation, AI Voice Agent Consultant, AI Voice Agent Solutions, Retell AI Expert, Vapi AI ExpertRetell AI, Vapi AI, AI Voice Agent, Retell AI Developer, Vapi AI Developer, AI Voice Agent Development, Retell AI Integration, Vapi AI Integration, AI Voice Agent Automation, Retell AI Voice Agent, Vapi AI Voice Agent, AI Voice Agent Expert, Retell AI Solutions, Vapi AI Solutions, Retell AI Automation, Vapi AI Automation, AI Voice Agent Consultant, AI Voice Agent Solutions, Retell AI Expert, Vapi AI ExpertRetell AI, Vapi AI, AI Voice Agent, Retell AI Developer, Vapi AI Developer, AI Voice Agent Development, Retell AI Integration, Vapi AI Integration, AI Voice Agent Automation, Retell AI Voice Agent, Vapi AI Voice Agent, AI Voice Agent Expert, Retell AI Solutions, Vapi AI Solutions, Retell AI Automation, Vapi AI Automation, AI Voice Agent Consultant, AI Voice Agent Solutions, Retell AI Expert, Vapi AI Expert

HIPAA-aware AI voice agents for healthcare — built on Synthflow, Retell AI and ElevenLabs. I turn missed calls into booked appointments with 24/7 reception, appointment booking and CRM automation that capture every inquiry and route it into your real systems. I specialize in production voice agents (Synthflow, Retell AI, Voiceflow, ElevenLabs) wired into your real systems — GoHighLevel, HubSpot, EHR / booking tools, Twilio telephony, plus AI chat & WhatsApp assistants (ManyChat, WATI) — with OpenAI / GPT-4o driving the conversation and n8n / Make orchestrating the workflow end to end. Healthcare is where I'm strongest. Recent work includes: Patient growth & booking across a 55-clinic chiropractic network (Australia) 24/7 AI shift-coordination for UK NHS healthcare staffing Bilingual (EN / ES) after-hours patient reception (Miami) Inbound AI receptionists for dental & medical clinics AI voice agent for medical consults (Synthflow + PracticeQ / EHR) I design with compliance in mind: HIPAA-aware architecture, PHI minimization, audit logging, and clear medical-escalation rules — the AI never diagnoses or gives medical advice; it routes to your staff. Beyond healthcare, I deliver the same voice + integration stack for clinics, agencies, startups, and appointment-driven service businesses. What I deliver: AI voice & chat agents: inbound / outbound calls (Twilio, VoIP), WhatsApp & web chat, FAQ, triage, appointment booking Lead qualification, enrichment & conversion bots Knowledge-base & RAG assistants (document / data retrieval, multi-agent) AI automation for business operations (n8n, Make, Zapier) + API / webhook integration CRM & calendar integration (GoHighLevel, HubSpot, Google Calendar) QA & testing for conversation flows and backend logic Backed by 8+ years in project management and backend development (JavaScript, Node.js, Express, serverless, Supabase), I own the full delivery cycle — architecture, conversation design, QA, deployment. Let's build a voice agent that fits your business. Message me to start)

Are you looking to automate your business with AI Voice Agents, intelligent workflows, or custom LLM-powered solutions? You're in the right place. I'm an AI Developer specializing in building production-ready AI Voice Agents, AI Automation systems, Chatbots and AI Agent workflows for businesses that want to save time, cut costs, and scale operations without hiring extra staff. What I build for you: ✅ AI Voice Agents : inbound & outbound calling bots using Vapi, ElevenLabs, and Deepgram that handle leads, bookings, and FAQs 24/7 ✅ AI Automation Workflows : end-to-end n8n pipelines that connect your CRM, calendar, email, and APIs without manual effort ✅ LLM & RAG Integration : custom GPT-powered agents with retrieval-augmented generation for accurate, context-aware responses ✅ AI Chatbots : conversational AI assistants trained on your business data and embedded into your website or CRM ✅ AI Agent Systems : multi-step autonomous agents that research, decide, and act on your behalf Industries I work with: Home Services & Trades · Real Estate & Property Management · Medical Spas & Clinics · Recruiting & HR · E-commerce & SaaS Tech stack: Retell Ai • Vapi · n8n · OpenAI GPT-4 · ElevenLabs · Deepgram · LangChain · Makecom · Zapier · REST APIs · Webhooks · Google Calendar · Airtable · Twilio Every solution I deliver is tested, documented, and built to scale. I don't disappear after delivery I make sure your system works exactly as promised. Send me a message describing your use case I'll tell you honestly if I can solve it, and how.

I build AI systems that cut the manual work out of operations. Appointment flows that book and follow up without staff involvement. Ecommerce backends that handle orders, inventory, and customer queries automatically. Construction workflows where nothing slips between job sites and the office. Top Rated Plus on Upwork. Six years building production systems. 50+ projects shipped. What I build 🏥 Healthcare: - HIPAA-compliant voice agents for patient intake, appointment reminders, and after-hours call handling - Direct integrations with Dentrix, Eaglesoft, and other practice management systems - Automated follow-up workflows so no appointment or inquiry goes unanswered 🛒 Ecommerce businesses: - AI-powered customer support agents that resolve queries without human handoff - Order management and inventory automation connected to Shopify and custom backends - Post-purchase flows, returns handling, and reorder triggers built to run hands-free 🏗️ For construction and HVAC companies: - Job scheduling and subcontractor coordination tools - Procurement automation and site documentation systems - Voice agents for field teams to log updates, request materials, and flag issues without touching a laptop 🏆 Results - 78% reduction in manual processing time for a logistics procurement workflow - 500+ patient calls per month handled by a voice agent for a dental group, replacing two full-time staff - $250K+ in annual operational costs recovered across supply chain clients - 98% client satisfaction rate across 50+ completed projects 💻 Technologies & Stack (FullStack & Mobile): - Node.js, Next.js 14, NestJS, Express, Python (FastAPI) - React, React Native (Expo and CLI), TypeScript, TailwindCSS - iOS and Android development, App Store and Google Play deployment 📞 Voice and telephony: - Vapi, Twilio, Telnyx, WebRTC, SIP - Voice agent development, IVR systems, real-time call processing - Twilio A2P 10DLC, BYOC, programmable voice and SMS ⚡ AI and automation: - OpenAI GPT-4o, GPT-5 Turbo, o1, o3, Assistants API, Responses API - Anthropic Claude 4.6 Sonnet, Claude 4.8 Opus - Google Gemini 3, Meta Llama 3, Mistral, Cohere - Agentic workflows, multi-agent orchestration, AI-driven development - RAG pipelines, vector search, fine-tuned and domain-specific models - LangChain, LangGraph, n8n, Make .com, Zapier 🚚 Ecommerce and integrations: - Shopify App Development, Shopify APIs, custom Shopify storefronts - REST, GraphQL, WebSocket, third-party API integrations - ERP and supply chain integrations ☁️ Data and infrastructure: - PostgreSQL, MongoDB, MySQL, Redis, Firebase, Pinecone, Weaviate - AWS (EC2, Lambda, S3, RDS, ECS, API Gateway, CloudFront) - Docker, Kubernetes, GitHub Actions, CI/CD pipelines - HIPAA-compliant architecture built in from day one If you're ready to move or just want to think out loud about the problem, send me a message. I'm happy to get on a call, walk through your requirements, and figure out the best course of action for your needs.

In my most recent project, I built a low-latency AI voice receptionist for a local home services company, eliminating missed after-hours calls and automatically routing 87 new booked jobs directly into GoHighLevel in the first month. A lot of people can build a basic chatbot. But building a production-ready, human-sounding AI voice agent that routes calls, books appointments, and syncs flawlessly with your CRM without glitching? That is a completely different game. I build elite, real-time conversational AI systems that sound genuinely human, handle natural interruptions, and completely automate inbound customer service and outbound lead qualification. If you are trying to deploy an AI phone receptionist, scale a cold-prospecting engine, or slash your front-desk workload, I can help you build it from the ground up or fix an existing integration that broke down. What I Build & Optimize: Inbound AI Receptionists: Seamlessly greet callers, answer complex business FAQs, and manage customer inquiries 24/7. Outbound Speed-to-Lead Bots: Instantly call new leads, qualify them based on your exact criteria, and lock in bookings. Live Calendar & Appointment Booking: Deep function calling architectures that check real-time availability and book slots directly into GoHighLevel or Google Calendar. Smart Human Handoff: Clean call routing logic that instantly transfers a customer to a live team member when an emergency or complex query arises. My Core Tech Stack: Voice Platforms: Retell AI, Vapi, Bland.ai, LiveKit Agents. Telephony & Speech: Twilio infrastructure, ElevenLabs, Cartesia, Deepgram STT/TTS. LLMs & Logic: OpenAI, Claude API, advanced prompt engineering, complex conversation branching, and fallback logic. Automation Pipelines: GoHighLevel (snapshots, custom fields, pipelines), Make, n8n, Zapier, webhooks, and custom REST APIs. Every system I ship includes bulletproof error handling, native SMS follow-up triggers for missed calls, and clean text call summaries pushed directly into your CRM activity feed. I build robust architectures meant to handle significant call volumes, not fragile test setups that drop context. Send me a message with your current problem or what you need to get done for your business, and let's get your phone system sorted.

🚀 SENIOR FULL-STACK AUTOMATION ENGINEER — AI · CRM/ERP · DevOps I build production AI agents, automation workflows, and end-to-end integrations as ONE technical partner — instead of clients juggling 3-4 specialists who blame each other when systems break. Trusted across 20+ verticals since 2019. 📊 TRACK RECORD (6+ years on Upwork) ✅ $1M+ earnings · 462 projects ($2K → $500K range) · 16,635 hours logged ✅ 100% Job Success Score · Top Rated Plus ✅ 5,000+ workflows deployed · $5M+ saved · 100K+ hours of manual work eliminated ✅ AI agents in production handling 10,000+ calls/month ✅ Certified partners: Monday, Make, Vapi, Retell AI, Palantir Foundry ✅ Supported by Retailbox team (15K+ combined hours) for surge capacity ✅ Average response under 4 hours · US East Coast (West Palm Beach, FL) ✅ Available 10-30 hrs/week or full-time burst engagements 🏆 RECENT WINS (anonymized) • AI Copilot for $500M+ investment portal — Salesforce + SharePoint + RAG, 4-month build • Multi-tenant AI SaaS for elder care lead intelligence — scraping + AI scoring + dashboard • Healthcare wound care platform — HIPAA-compliant, mobile + EMR + AI transcription • Estate Planning AI Copilot — Claude + custom legal workflows for law firm • B2B Outbound System — Apollo + Clay + Smartlead + AI personalization, 1,000+ leads/week • ERP transformation — QuickBooks → Tryton migration, custom Python pipeline • AI Acquisition Engine — Multi-source enrichment + LLM scoring for B2B sales team 🌐 INDUSTRIES Home Services & Trades (HVAC · Plumbing · Electrical · Roofing · Solar · Pool · Painting) · Healthcare & Medical (Clinics · Pharmacy · Health Insurance · EMR · HIPAA) · Financial Services (Mortgage · Insurance · Investment · Crypto · Payments) · Manufacturing (Cabinet · Furniture · Steel · Civil Engineering) · Real Estate & Property · Marketing & Sales Agencies (GHL · HubSpot) · Construction & Contractors · Legal & Compliance · Retail & E-commerce (Shopify · Amazon · WooCommerce) · SaaS & Tech Startups · Telecom · Trucking · and more. 🤖 WHAT I DELIVER AI Engineering • Custom AI agents (Claude, GPT, Gemini) with tool calling • MCP server development for enterprise systems • RAG with vector databases (Pinecone, Weaviate, Qdrant, pgvector) • LangChain, LangGraph, CrewAI orchestration • I use Claude Code, Cursor, Codex daily — ship 5× faster Workflow Automation • n8n, Zapier, Make, Windmill, Power Automate • Custom Python/Node replacing fragile no-code chains • ETL pipelines (CRM ↔ data warehouse, AI training data, ERP migrations) • Event-driven systems, drip campaigns, scheduled reports CRM/ERP Integration & Architecture • HubSpot, Salesforce, Zoho, Monday, Pipedrive, Dynamics 365, GHL, Close CRM • NetSuite, Odoo, QuickBooks, Xero, Stripe • Field service — ServiceTitan, Jobber, Housecall Pro • Healthcare — eClinicalWorks, FHIR, HL7 • Multi-system architectures (5+ platforms unified) Full-Stack Development • React, Next.js, Node.js, Python, FastAPI, Django • Mobile — React Native, native iOS/Android • AI dashboards, admin panels, internal tools • PostgreSQL, MongoDB, Redis DevOps & Cloud • AWS, GCP, Azure · Docker, Kubernetes, CI/CD • Production monitoring, observability, security • HIPAA / SOC2 / PCI-aware integrations Voice AI — Vapi, Retell AI, Bland AI, Twilio (when use case fits) 🎯 COMMON ASKS • Claude/GPT integration into your app or CRM • AI SDR that books meetings (Apollo + Clay + Smartlead + Claude) • RAG chatbot trained on your company data • CRM automation with AI lead scoring (HubSpot/SF/Zoho/GHL) • Field service workflow (ServiceTitan/Jobber + AI) • Internal AI dashboard for ops team (Retool/custom) • Migrate Zapier/Make spaghetti to maintainable code • AI-powered mobile MVP (React Native + Claude) • Voice AI receptionist (Vapi or Retell + CRM sync) • ETL pipeline (QuickBooks/NetSuite ↔ data warehouse) • Custom MCP server for your team's Claude 🎯 IDEAL FIT I serve all sizes: • SMB ($1K-$10K) — small but specific automation that pays back fast • Mid-market ($10K-$100K) — multi-month engagements, multi-system builds • Enterprise ($100K-$500K+) — strategic platform builds, AI-native systems Engagement models: • $2K-$15K fixed scope (1-6 weeks) • $50K+ for AI/full-stack platform builds • $95-125/hr fractional (10-30 hrs/week, weekly Slack sprints) • Long-term Tech Support retainers 💼 HOW I WORK Week 1 — discovery + architecture · Week 2-N — weekly build sprints with daily Slack · Final week — production deploy with docs, tests, handoff. You own the code (zero agency lock-in). Available for ongoing maintenance OR clean handoff to your in-house team. 💬 NEXT STEP Send a 2-3 sentence brief: what you're building, your current stack, and the specific problem you want solved. Loom walkthroughs, existing repos, and architecture diagrams welcome.