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Denys S.
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Denys S.

AI Voice Agent | AI Chatbot | AI Document Processing | PM

🚀 I help companies turn repetitive communication into intelligent, fully automated voice workflows. My AI Voice Agents sound natural, act fast, and integrate seamlessly with CRMs - helping you capture every lead, qualify calls, and schedule appointments 24/7. AI Voice Agent | Twilio | STT → TTS | ElevenLabs | RetellAI | Ultravox | Vapi | AI Chatbot | n8n | Zapier | Make | API Integration Expert 🧠 What I Build ✔ AI Inbound Agent - Handles calls, collects data, qualifies leads, and books meetings through PBX, Asterisk, or FreeSWITCH. 🔒 Data Security & Compliance First - I prioritize the security and privacy of every client’s data. For healthcare organizations and other sensitive industries, I can implement HIPAA compliance and follow best practices for data encryption, access control, and audit logging to ensure full protection. ✔ Outbound AI Voice Agent - Re-engages leads, follows up, and promotes offers automatically. ✔ Smart Receptionist for Clinics & Hotels - Manages bookings, reminders, and client inquiries 24/7 with Twilio and STT → TTS integrations. ✔ AI Recruiter - Screens applicants, evaluates answers, and syncs data with CRMs like HubSpot or Zoho. ✔ Real Estate Voice Assistant - Answers property questions, books showings, and confirms via SMS or calendar links. ✔ AI Chatbot & Call Assistant - Natural conversational bots built with n8n, Zapier, or Make, connected to CRMs and APIs. ✔ AI Voice Agent Development - Custom AI voice logic powered by ElevenLabs, RetellAI, Ultravox, or Vapi. ⚙️ How Collaboration Works ✔ Discovery & Demo - I show how an AI Voice Agent can qualify and convert leads in real time. ✔ Planning & Design - We define your goals, tone, and conversation logic. ✔ Development & Integration - I build your system end-to-end using Twilio, n8n, PBX, Asterisk, or FreeSWITCH. ✔ Testing & Refinement - I optimize tone, flow, and performance using real data and client feedback. 🌟 Recent Projects 🚀 Dental Practice AI Receptionist - Automated 100% of inbound booking & reminders via phone and SMS. 🚀 Recruitment AI Caller - Screened candidates using 10+ logic-based qualification layers. 🚀 Hotel Voice Concierge - Automated check-in, digital tipping, and room service requests. 🚀 Restaurant Assistant - Took reservations, handled menu questions, and synced with POS systems. ✅ Why Clients Choose Me ✔ Goal-driven development - I focus on KPIs: lead quality, conversion speed, and customer satisfaction. ✔ End-to-end delivery - From conversation design to full deployment with CRM and API Integration. ✔ Human-grade experience - Natural tone, contextual memory, and smart logic for fluid conversations. ✔ Data security first - For medical and enterprise clients, I can implement HIPAA compliance and robust encryption. 🧩 Technology Stack ✔ AI Voice Agent Development ✔ PBX / FreeSWITCH / Asterisk Configuration ✔ VoIP & Twilio Integration ✔ Speech-to-Text (STT) / Text-to-Speech (TTS) ✔ ElevenLabs / RetellAI / Ultravox Experts ✔ n8n Automation, Zapier, Make Workflow Builder ✔ CRM Integration (HubSpot, Zoho, Salesforce, GoHighLevel) ✔ API Integration & Workflow Automation ✔ AI Call Assistant / Voice Bot Development / Chatbot Automation ✔ LangChain, GPT, Whisper, OpenAI 💼 About Me I’m a hands-on AI Voice & Automation Developer with deep experience in PBX, Asterisk, FreeSWITCH, and VoIP architecture. I create intelligent conversational ecosystems that replace repetitive tasks with efficient AI-driven workflows - tailored to real business needs. 📅 Let’s Talk If your business wants to: ✔ Automate lead communication and scheduling ✔ Eliminate missed calls and manual follow-ups ✔ Implement AI Voice Agents that sound human and work 24/7 Then let’s connect. I offer a free 30-minute strategy session to identify the best AI Voice solution for your business.

🇺🇸Brooklyn, United States$39/hr100% JSS5.00 (7)Since May 2023
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Earnings and projects

MRR
$659

Last 6 months ÷ 6

World#66,259 / 412k
🇺🇸Country#10,159 / 62.1k
Revenue, last 30 days
$0

Last 6 months: $4k

Total earnings
$17k

Billed in all: $17k

World#154,806 / 412k
🇺🇸Country#25,339 / 62.1k
Per project
$793

$4k in the last 6 months

World#142,276 / 412k
🇺🇸Country#24,196 / 62.1k
Projects, last 6 months
1
100% fixed0% hourly
World#128,095 / 412k
🇺🇸Country#16,472 / 62.1k
Projects in all
21

Across 26 contracts

77% fixed23% hourly
World#128,798 / 412k
🇺🇸Country#18,743 / 62.1k

Earnings, last 30 days

$16.7kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$16.4k$16.6k$16.8k$17.0kOct 9Oct 24Nov 8

Skill rankings: Top 14% in Deep Learning

Ranked by MRR among everyone on Upwork with the skill.

  1. #9PBX29 freelancers · 🇺🇸 #1Top 31%
  2. #13FreeSWITCH85 freelancers · 🇺🇸 #1Top 15%
  3. #31Asterisk211 freelancers · 🇺🇸 #3Top 15%
  4. #167Twilio743 freelancers · 🇺🇸 #25Top 22%
  5. #394Deep Learning2,743 freelancers · 🇺🇸 #45Top 14%
  6. #432Natural Language Processing2,688 freelancers · 🇺🇸 #55Top 16%
  7. #589Chatbot Development3,106 freelancers · 🇺🇸 #56Top 19%
  8. #1,165Make.com5,663 freelancers · 🇺🇸 #162Top 21%