# Expert AI Voice Agent Engineer | OpenAI | Twilio | VAPI | ElevenLabs | Deepgram
I specialize in designing and developing enterprise-grade AI Voice Agents that enable businesses to automate customer interactions through natural, real-time conversations. With over **8 years of experience** in software engineering and AI solutions, I help startups, SaaS companies, healthcare organizations, and enterprises build scalable Voice AI platforms that improve customer experience and operational efficiency.
My expertise spans the entire Voice AI stack—from telephony infrastructure and real-time audio streaming to LLM orchestration, backend architecture, and cloud deployment. I build production-ready solutions capable of handling inbound and outbound calls, appointment scheduling, customer support, lead qualification, and business process automation.
# Core Expertise
* AI Voice Agents & Conversational AI
* OpenAI GPT-5, GPT-4o & Realtime API
* Twilio Programmable Voice & Media Streams
* VAPI, Retell AI & LiveKit
* ElevenLabs (Text-to-Speech)
* Deepgram (Speech-to-Text)
* WebRTC, SIP & VoIP Technologies
* Real-Time Audio Streaming
* Function Calling & AI Agent Workflows
* LangGraph, LangChain & Agentic AI
* Retrieval-Augmented Generation (RAG)
* Model Context Protocol (MCP)
* Node.js, Python & FastAPI
* REST APIs & WebSocket Architecture
* PostgreSQL, Redis & MongoDB
* AWS, Docker & Cloud Infrastructure
# Services
I develop custom Voice AI solutions including:
* AI Receptionists & Virtual Assistants
* AI Customer Support Agents
* AI Sales & Lead Qualification Systems
* Appointment Scheduling Assistants
* Healthcare & Medical Voice Agents
* AI Call Center Automation
* Outbound AI Calling Solutions
* Restaurant & Hospitality Voice Assistants
* Internal Business Voice Assistants
* Custom Conversational AI Platforms
# System Integrations
My solutions integrate seamlessly with existing business platforms and workflows, including CRM systems, calendars, knowledge bases, payment platforms, communication tools, and custom APIs. I have experience integrating with Google Calendar, Microsoft Outlook, HubSpot, Salesforce, GoHighLevel, Slack, Stripe, WhatsApp, and other third-party services.
# Development Approach
I believe successful Voice AI systems require more than connecting APIs—they require thoughtful architecture, low-latency communication, reliable infrastructure, and seamless user experiences. Every project is built with scalability, security, maintainability, and production deployment in mind.
From solution architecture and backend development to AI orchestration, deployment, monitoring, and optimization, I provide end-to-end development services while maintaining clear communication throughout the project lifecycle.
If you're looking for an experienced engineer to design and build reliable, production-ready AI Voice Agents tailored to your business requirements, I'd be glad to help deliver a solution that creates measurable business value.
AI Chatbot
AI Development
AI App Development
LLM Prompt Engineering
ChatGPT
Claude
AI Agent Development
LangChain
OpenAI API
Twilio
Conversational AI
Chatbot Development
Retrieval Augmented Generation
ElevenLabs
Generative AI
Python
Node.js
Amazon Web Services
AI Security
Agent GPT
Ajit S.
Rajkot, India
$18/hr
5.0
1 jobs
𝐄𝐱𝐩𝐞𝐫𝐭 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭 𝐡𝐞𝐥𝐩𝐢𝐧𝐠 𝐜𝐨𝐦𝐩𝐚𝐧𝐢𝐞𝐬 𝐞𝐥𝐢𝐦𝐢𝐧𝐚𝐭𝐞 𝐦𝐚𝐧𝐮𝐚𝐥 𝐰𝐨𝐫𝐤 𝐭𝐡𝐫𝐨𝐮𝐠𝐡 𝐌𝐚𝐤𝐞, 𝐧𝟖𝐧, 𝐀𝐈 𝐰𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬, 𝐚𝐧𝐝 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐩𝐫𝐨𝐜𝐞𝐬𝐬 𝐚𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧.
➡️ Full-time/Contract/Part-time
🏆 Top Rated Plus Automation Engineer
🏆 Make Advanced Certified
🏆 Automation Systems Built For Real Businesses
✅ Make • n8n • OpenAI • APIs • CRM Automation • Workflow Automation
Many businesses already have the tools they need. But then the real problem is that information is trapped between systems, teams spend hours on repetitive tasks, and important processes depend on manual work.
I've found that most automation projects succeed or fail long before the first workflow is built. The difference is usually process design. When workflows, business rules, integrations, exception handling, and user actions are mapped correctly, automation becomes reliable.
WHEN THEY AREN'T, BUSINESSES END UP WITH FRAGILE AUTOMATIONS THAT CONSTANTLY BREAK.
𝐀𝐍𝐃 𝐓𝐇𝐀𝐓'𝐒 𝐖𝐇𝐄𝐑𝐄 𝐈 𝐇𝐄𝐋𝐏.
I work with founders, agencies, service businesses, and growing companies to design automation systems that reduce manual work, improve operational visibility, and scale processes without increasing headcount.
𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐈'𝐯𝐞 𝐛𝐮𝐢𝐥𝐭 𝐡𝐞𝐥𝐩 𝐭𝐞𝐚𝐦𝐬:
✔️ Capture and qualify leads automatically
✔️ Route data between multiple platforms
✔️ Generate AI-powered reports
✔️ Automate recruitment workflows
✔️ Trigger email and SMS communications
✔️ Process documents and business data
✔️ Connect CRMs, databases, forms, APIs, and AI services
𝐋𝐄𝐓'𝐒 𝐋𝐎𝐎𝐊 𝐀𝐓 𝐑𝐄𝐂𝐄𝐍𝐓 𝐖𝐎𝐑𝐊:
🥇 AI-Powered White-Label Recruitment Automation Platform built using Make
🥇 Lead generation and qualification workflows with automated enrichment
🥇 AI-powered content generation systems using Make and Gemini
🥇 Serverless AI chatbot workflows integrated with business websites
🥇 Multi-step automation systems connecting forms, CRMs, email platforms, and databases
🥇 AI-assisted business workflows using OpenAI, Gemini, webhooks, APIs, and automation platforms
👨💼👩💼 𝐂𝐋𝐈𝐄𝐍𝐓𝐒 𝐓𝐘𝐏𝐈𝐂𝐀𝐋𝐋𝐘 𝐂𝐎𝐌𝐄 𝐓𝐎 𝐌𝐄 𝐖𝐇𝐄𝐍:
🔘 They spend too much time on repetitive operational work
🔘 Their team manually moves information between systems
🔘 They need CRM, sales, or lead management automation
🔘 They want AI integrated into existing workflows
🔘 They want Make or n8n workflows built properly from the beginning
🔘 They need guidance before investing heavily into automation
🎓 𝐌𝐘 𝐀𝐑𝐄𝐀𝐒 𝐎𝐅 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄:
✔️ Make Automation
✔️ n8n Automation
✔️ Workflow Architecture
✔️ Business Process Automation
✔️ AI Workflow Design
✔️ CRM Automation
✔️ Lead Management Automation
✔️ OpenAI & Gemini Integrations
✔️ API Integrations
✔️ Webhooks
✔️ Airtable
✔️ Google Workspace Automation
✔️ Email Automation
✔️ Slack Automation
✔️ Database Integrations
What clients often appreciate most is that I start by understanding the business process and problem first. Then I work backwards to determine whether the best solution is Make, n8n, Zapier, AI, custom APIs, or a combination of multiple systems working together.
So if you're exploring workflow automation, AI-powered business processes, CRM automation, lead management systems, or Make and n8n development, feel free to reach out.
I'd be happy to discuss your workflow and help identify the most practical automation strategy.
Make.com
n8n
Automated Workflow
Automation
API Integration
Business Process Automation
CRM Automation
Airtable
OpenAI API
HighLevel
Zapier
Industrial Internet of Things
ESP32
AI Agent Development
AI Model Integration
AI Text-to-Speech
AI Speech-to-Text
Industrial Automation
Omnichannel Automation
Parth C.
Rajkot, India
$30/hr
5.0
63 jobs
I help businesses reduce manual operations, connect disconnected systems, and build scalable automation workflows using AI, APIs, modern automation platforms, and custom business applications.
Over the last 8+ years, I’ve worked on automation systems involving ERP platforms, legacy software, document processing, operational dashboards, AI-assisted workflows, RAG systems, CRM integrations, browser-based automation, and AI-powered internal tools across multiple industries.
Trusted by clients across the US, Canada, Europe, Middle East, Africa, Asia, and Australia, with long-term global engagements and highly rated work on Upwork.
What I typically help businesses automate:
• Operational workflows and repetitive manual processes
• AI-assisted business workflows and internal tools
• API integrations and webhook-driven systems
• CRM, ERP, and cross-platform automations
• Legacy software and browser automation where APIs are unavailable
• Document processing, OCR, and validation workflows
• Email, reporting, and approval-based workflows
• Dashboarding, reporting, and operational visibility systems
• Social media and content automation pipelines
• End-to-end business process automation
Industries served include healthcare, finance, manufacturing, insurance, logistics, legal, operations, and SaaS.
Tools & Technologies:
• n8n, Zapier, Make, Power Automate
• UiPath, ElectroNeek, Python automation
• OpenAI, Claude, RAG systems, LLM-powered workflows
• REST APIs, Webhooks, JavaScript, Python
• Supabase, Notion, GoHighLevel (GHL), CRM integrations
• Lovable, internal tools, and AI-powered business applications
• OCR pipelines and document extraction systems
• Power BI, dashboards, reporting systems, and operational visibility platforms
Some common use cases I’ve worked on:
• High-volume data entry and reconciliation
• AI-powered email and document workflows
• Legacy portal automation using browser/RPA technologies
• ERP and operational system integrations
• Workflow approvals and exception handling systems
• Internal business tools and operational dashboards
• Automated reporting and data synchronization
• Human-in-the-loop automation systems
Most businesses don’t need “more tools.”
They need workflows that are reliable, maintainable, and actually reduce operational overhead.
I focus on building automation systems that are production-ready, scalable, and practical for real business environments, not fragile scripts that break after deployment.
Demo videos and architecture walkthroughs of previous automation systems are available upon request.
If you’re exploring workflow automation, AI-assisted operations, or process optimization in your business, feel free to reach out. I’m happy to review your workflow and suggest the most practical and scalable approach.
API Integration
Automation
Zapier
n8n
Artificial Intelligence
Automated Workflow
AI Agent Development
Microsoft Power Automate
Microsoft Power BI
CRM Automation
OpenAI API
Claude
Make.com
Retrieval Augmented Generation
Supabase
Business Process Automation
Document Automation
Robotic Process Automation
Airtable
API
Raj F.
Rajkot, India
$22/hr
4.8
31 jobs
As a seasoned marketing automation professional with over 10+ years of experience in strategic consultancy, I have an in-depth understanding of the GoHighLevel platform. I was a founding team member of GoHighLevel and played an integral role in assisting thousands of customers in tailoring their accounts to meet business needs. My expertise includes setting up GHL based on client needs, automation, and streamlining systems to be more scalable and effective.
What I'm known for:
- Building high-converting funnels and full GHL setups from scratch
- Designing automations (workflows, SMS, email, CRM pipelines) that reduce manual work
- SaaS configuration, snapshots, and white-label GHL setups
- Onboarding, migrations, and integrations across platforms
- Moving fast without cutting corners - most projects delivered ahead of schedule
AI AGENTS & DEPARTMENTS:
Build your AI workforce that operates around the clock:
• Autonomous AI Sales Teams — AI SDRs that qualify leads, book meetings, send follow-ups 24/7
• AI Marketing Departments — content generation, personalized outreach, campaign analytics
• AI Customer Support — instant responses, ticket routing, escalation to humans
• AI Development Assistants — code review, documentation, automated testing
• Multi-agent Orchestration — CrewAI, LangChain, LangGraph, AutoGen
• Human-in-the-loop Dashboards — full visibility, control, and override capabilities
VOICE AI SOLUTIONS:
Production-ready Voice AI for sales and support:
• Inbound AI Agents — handle calls, answer FAQs, qualify leads, route to humans
• Outbound AI Calling — cold calls, appointment setting, lead qualification, reminders
• AI Receptionist — 24/7 call handling, scheduling, transfers
• CRM Integration — calls logged, transcribed, synced automatically
• Platforms: Vapi, Retell AI, Bland AI, ElevenLabs, Twilio
MCP (MODEL CONTEXT PROTOCOL) EXPERTISE:
• Custom MCP Server Development (Python, Node.js, TypeScript)
• Claude & ChatGPT integration with existing infrastructure
• Enterprise AI Agent Architectures with tool calling
• RAG systems with vector databases
• Secure integration with private data sources
CRM/ERP INTEGRATION:
• CRM: Salesforce, HubSpot, Pipedrive, Monday, Zoho, Dynamics 365, GoHighLevel, Close CRM
• ERP: NetSuite, SAP, QuickBooks, Xero, Stripe, Plaid
• Custom API development, webhooks, middleware
• Multi-system architectures (5+ platforms as one)
Core Zoho Services:
Zoho CRM — Setup, customization, custom modules, Deluge functions, blueprints, workflows, scheduled jobs, and bulk data/API optimization
Zoho Creator — Custom application development, portal builds, WorkDrive integration, Deluge-driven workflows
Zoho Analytics — Reporting, dashboards, and cross-module data models
Zoho One ecosystem — CRM ↔ Books, Recruit, Desk, Inventory, and Campaigns integrations
External integrations — APIs, Twilio, MQTT, WooCommerce, Stripe, Catalyst, Zapier, Make
AI integration — Native Zoho AI, OpenAI, and Claude/MCP-based automation layers
TECHNOLOGY STACK:
AI & LLM: OpenAI GPT-4o, GPT-4 Turbo, Assistants API, Claude API, Claude MCP, Gemini Pro, DeepSeek, Mistral, Llama 3, AWS Bedrock, Groq, Azure OpenAI
Agentic AI: LangChain, LangGraph, LlamaIndex, CrewAI, AutoGen, Semantic Kernel, Flowise, Dify, Relevance AI, Composio, AgentOps
Voice AI: Vapi, Retell AI, Bland AI, ElevenLabs, PlayHT, Deepgram, AssemblyAI, Twilio Voice, Hume AI
AI Sales & Outreach: Clay, Apollo, Instantly, Smartlead, Lemlist, AI SDR, Artisan AI, 11x
AI Chatbots: Botpress, Voiceflow, Stack AI, Chatbase, CustomGPT, OpenAI Assistants
RAG & Vector DBs: Pinecone, Weaviate, Qdrant, ChromaDB, Supabase pgvector, Milvus, pgvector
Automation: n8n, Make, Zapier, Power Automate, Workato, Activepieces, Tray
CRM: Salesforce, HubSpot, Pipedrive, Monday, Zoho, GoHighLevel, Close CRM, Dynamics 365
ERP & Finance: NetSuite, SAP, QuickBooks, Xero, Stripe, Plaid, Square
Healthcare: FHIR API, eClinicalWorks, HL7, Healthcare Integrations
Home Services: ServiceTitan, Jobber, HouseCall Pro
Dev: React, Next.js, Node.js, Python, FastAPI, PostgreSQL, MongoDB, Redis, AWS, GCP, Azure, Docker
COMMON USE CASES:
• AI SDR that books meetings while you sleep
• Voice AI receptionist for 24/7 call handling
• ChatGPT/Claude integration into your app
• RAG chatbot trained on your company data
• CRM automation with AI lead scoring
• AI content generator for your CMS
• WhatsApp AI bot for customer support
• Zapier/Make to n8n migration
• Custom GPT and AI Assistant development
• Prompt engineering and LLM fine-tuning
• Agentic AI workflows
• AI data extraction
LET'S BUILD YOUR AI WORKFORCE:
- Whether you need a Voice AI agent or complete AI Departments for sales, marketing, and support- we turn complex AI into solutions that deliver ROI from day one.
- Let's build something awesome - or do a deep audit of your GHL setup and find the highest-leverage AI opportunities waiting inside your existing stack.
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