04 / Project / Automation

AI Automation Engineern8n, GoHighLevel, AI Automation Engineer

AI automation engineer building end-to-end workflow systems with n8n, integrating Retell AI voice agents, OpenAI GPT-4, and Claude with GoHighLevel CRM, Twilio, and Make.com. Delivered voice-agent platforms that automate

Type
Open source
Category
AI / LLM
Focus
Automation

01 / Overview

What this project is.

AI automation engineer building end-to-end workflow systems with n8n, integrating Retell AI voice agents, OpenAI GPT-4, and Claude with GoHighLevel CRM, Twilio, and Make.com. Delivered voice-agent platforms that automated 1,000+ monthly sales calls with real-time transcription, sentiment analysis, and follow-up automation - saving clients hundreds of hours every month.

Measured outcome

No measured outcome has been published with supporting evidence for this project.

10
Technologies
4
System layers
3
Related projects

02 / Architecture

How the piecesfit together.

Grouped from the stack recorded for this project. Scroll to walk the layers, or hover one for its components.

  1. User

    Where a request or upload enters the system.

  2. AI layer

    Handled by OpenAI, GPT-4, Claude.

    • OpenAI
    • GPT-4
    • Claude
  3. Tools & integrations

    Handled by n8n, GoHighLevel, Retell AI and more.

    • n8n
    • GoHighLevel
    • Retell AI
    • Twilio
  4. Data & vector stores

    Handled by Supabase, PostgreSQL.

    • Supabase
    • PostgreSQL
  5. Cloud & monitoring

    Handled by AWS.

    • AWS

03 / Tech stack

Everything it runs on.

AI layer

  • OpenAI
  • GPT-4
  • Claude

Tools & integrations

  • n8n
  • GoHighLevel
  • Retell AI
  • Twilio

Data & vector stores

  • Supabase
  • PostgreSQL

Cloud & monitoring

  • AWS

04 / Case study

The full write-up.

Technologies I Work With

Primary Stack:

  • n8n (Self-hosted & Cloud deployments)
  • AI Services: Retell AI, OpenAI GPT-4, Claude API
  • CRM & Marketing: GoHighLevel, Make.com bridges
  • Communication: Twilio (SMS/Voice), SendGrid, Slack
  • Databases: PostgreSQL, MySQL, Supabase, Airtable
  • Cloud: AWS, Google Cloud, DigitalOcean

Projects I’ve Delivered

1. AI Voice Agent Automation Platform

Client: Sales & Marketing Agency

Built a comprehensive n8n automation system integrating Retell AI voice agents with GoHighLevel CRM:

  • Automated outbound call campaigns triggered by CRM events
  • Real-time call transcription and sentiment analysis
  • Follow-up workflow automation based on conversation outcomes
  • AI-generated summaries sent to Slack and CRM

Impact: Automated 1,000+ monthly sales calls, 60% increase in lead engagement

Tech Stack: n8n, Retell AI, GoHighLevel, Twilio, OpenAI GPT-4, PostgreSQL

2. Multi-Channel Customer Communication Hub

Client: E-commerce Business

Designed a centralized communication workflow handling customer interactions across multiple channels:

  • Unified inbox for Twilio SMS, email, and live chat
  • AI-powered response suggestions using GPT-4
  • Smart routing based on customer history and intent
  • Automated follow-ups and abandoned cart recovery
  • Integration with GoHighLevel for customer journey tracking

Impact: 75% faster response times, 40% improvement in customer satisfaction

Tech Stack: n8n, Twilio, OpenAI API, GoHighLevel, SendGrid, Slack

3. Intelligent Lead Qualification System

Client: B2B SaaS Company

Created an AI-driven lead scoring and routing automation:

  • Webhook integration with website forms and landing pages
  • GPT-4 powered lead qualification based on company data
  • Automated enrichment using third-party APIs
  • Dynamic scoring and CRM tagging in GoHighLevel
  • Personalized email sequences triggered by lead score

Impact: 80% reduction in manual lead processing, 45% increase in qualified leads

Tech Stack: n8n, OpenAI GPT-4, GoHighLevel, Clearbit API, PostgreSQL

4. Real-Time CRM Data Synchronization

Client: Marketing Agency with Multiple Clients

Built a robust bi-directional sync system between multiple platforms:

  • Real-time data sync between GoHighLevel, Airtable, and custom databases
  • Conflict resolution and data validation rules
  • Automated deduplication and data cleansing
  • Error notifications and manual review queue

Impact: Eliminated data inconsistencies across 8 different client systems

Tech Stack: n8n, GoHighLevel, Airtable, PostgreSQL, Slack

5. AI Content Generation & Publishing Workflow

Client: Digital Marketing Team

Automated content creation and distribution pipeline:

  • GPT-4 integration for blog posts, social media, and email content
  • Multi-step approval workflow via Slack
  • Scheduled publishing to WordPress, social platforms
  • Performance tracking and reporting

Impact: 10x content output with consistent brand voice

Tech Stack: n8n, OpenAI GPT-4, WordPress API, Buffer, Google Analytics

6. Automated Customer Onboarding System

Client: SaaS Platform

End-to-end onboarding automation workflow:

  • New customer trigger from payment platform
  • Account provisioning and setup automation
  • Personalized email sequences via GoHighLevel
  • Twilio SMS notifications for critical steps
  • Progress tracking in Airtable dashboard
  • AI-powered chatbot support using Retell AI

Impact: 90% reduction in manual onboarding tasks, improved user activation by 35%

Tech Stack: n8n, GoHighLevel, Twilio, Retell AI, Stripe, Airtable

7. Voice AI Appointment Scheduler

Client: Healthcare & Wellness

Integrated Retell AI voice agents with scheduling systems:

  • Automated appointment booking via phone calls
  • Calendar integration (Google Calendar, Calendly)
  • Reminder system via SMS and email
  • Rescheduling and cancellation handling
  • CRM updates in GoHighLevel

Impact: Handled 500+ appointments monthly without human intervention

Tech Stack: n8n, Retell AI, Twilio, Google Calendar API, GoHighLevel

8. Business Intelligence & Reporting Automation

Client: Multi-Location Retail Chain

Created automated reporting and analytics workflows:

  • Daily data aggregation from multiple sources
  • Custom KPI calculations and trend analysis
  • Automated report generation (PDF/Excel)
  • Scheduled delivery via email and Slack
  • Alert system for anomalies and thresholds

Impact: 15 hours weekly saved on manual reporting

Tech Stack: n8n, PostgreSQL, Google Sheets API, Chart.js, SendGrid

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