Nathanael Calma

n8n & GoHighLevel Developer at Various Clients & Owned Business (2025-08 – Present)

Designed and built automation solutions for various clients

Designed and built a Full E-commerce Operations Engine in n8n powered by Claude AI, handling real-time order processing, fraud detection, and daily AI business intelligence
Developed Customer Health Intelligence Engine — autonomous churn prevention system using Claude AI to score risk and trigger personalized email and Slack interventions
Created E-commerce Customer Service Hub using Claude AI for intent classification, automated replies, returns handling, and instant Slack alerts
Built AI-powered Abandoned Cart Recovery Workflow in n8n with hourly triggers and individual customer processing
Delivered 50+ custom automations for customer service, sales, and operations, delivering major time savings for clients
Developed appointment workflows, payment confirmations, and webhook systems with high delivery success

Zapier Automation Specialist at Freelance (2025-08 – Present)

Built AI-powered automations for various business processes

Built AI-powered automations for call analysis, customer service routing, lead nurturing, and personalized outreach integrated with CRM platforms
Created sentiment-based feedback and escalation systems that reduced response time and manual effort

Web Developer at Owned Business (2025-11 – Present)

Built e-commerce solutions and landing pages

Built Nats Gaming Hub e-commerce landing page with product showcase, sales funnel, and AI chatbot integration

Technical Virtual Assistant / Machinist at Owned Business / Various (2020-09 – Present)

Provided automation support and hands-on manufacturing experience

Provided automation support for customer service and operations
6+ years of hands-on experience in precision manufacturing and process optimization

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