AI Automation Engineer – Voice AI, Middleware Integration

Posted 3hrs ago

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Job Description

AI automation engineer integrating voice AI with field-service platforms for HVAC, plumbing, and electrical contractors. Building reliable booking and back-office automations.

Responsibilities:

  • Build and maintain middleware connecting Vapi, Retell, and Assistable within GoHighLevel to field service management systems
  • Integrate with ServiceTitan and Housecall Pro using REST APIs and OAuth
  • Write integration logic interfacing with .NET / C# / C++ backend environments
  • Program and verify end-to-end booking workflows into contractor dispatch schedules
  • Monitor, diagnose, and resolve duplicate bookings, dropped payloads, and failed scheduling attempts
  • Code, review, and debug JavaScript and/or TypeScript application logic
  • Build, configure, and maintain production-grade voice agents using Vapi, Retell, Assistable, and ElevenLabs
  • Tune latency, test prompt frameworks, design agent harnesses, and curate dynamic knowledge bases
  • Architect multi-step decision trees and parent-child logic
  • Run automated tests for conversational accuracy, speech recognition, and intent categorization
  • Maintain reliable after-hours call answering and emergency dispatch agents
  • Build GoHighLevel workflows for SMS, email, appointment reminders, and estimate follow-up campaigns
  • Implement automations with Hermes, OpenClaw, Composio, and n8n
  • Build AI agents that securely access third-party portals for repetitive contractor administration
  • Support deployment of company-wide automation packages for beta clients
  • Conduct technical onboarding, gather requirements, and complete client setup and integration during a typical two-month implementation
  • Connect client information to GoHighLevel sub-accounts
  • Verify client systems, credentials, and automations remain active, secure, and current
  • Provide technical support and troubleshooting
  • Escalate and resolve platform bugs with SaaS vendor support teams
  • Build dashboards tracking voice minutes, booking volume, and system activity
  • Configure internal GoHighLevel automations
  • Document technical architectures and create SOPs
  • Recommend technical solutions and collaborate with the founder on system design
  • Work with the current fulfillment agency during an overlap period before taking full ownership
  • Enforce data privacy and API security protocols
  • Manage sensitive credentials using LastPass, NordPass, or One-Time Secret
  • Work within designated secure environments and VPN platforms
  • Assist with websites, landing pages, hosting, AEO, AI content workflows, Google Business Profile, and local marketing automations as needed

Requirements:

  • Hands-on experience building and deploying production voice agents with Vapi, Retell, Assistable, and/or ElevenLabs
  • Experience with prompt tuning, latency optimization, and knowledge base design
  • Strong JavaScript and/or TypeScript skills
  • Ability to write, review, and debug code
  • Comfort reading .NET / C# / C++ environments is a plus
  • Experience building middleware and integrations using REST APIs, OAuth, webhooks, and SDKs
  • Solid experience building workflows, automations, and sub-account setups in GoHighLevel
  • Experience with n8n, Hermes Agents, Composio, OpenClaw, or similar automation and agentic AI platforms
  • Understanding of API security, data privacy, credential vaults, VPNs, and VPS hosting
  • Fluent written and spoken English
  • Comfortable supporting clients directly
  • Ability to work independently without constant supervision
  • Direct experience with ServiceTitan or Housecall Pro, or home service trades, preferred
  • Familiarity with RAG, MCP, and vector databases is a plus
  • Experience with website builders, hosting, landing pages, Google Business Profile, and AEO/SEO automation is a plus
  • Software engineering or full-stack development background is a plus
  • Openness to split shifts and availability for after-hours technical emergencies
  • Professional setup, clean background, good camera, good microphone, and strong Wi-Fi
  • Ability to work 8:00 AM–5:00 PM or 9:00 AM–6:00 PM ET

Benefits:

  • 13th Month Bonus
  • Permanent work-from-home / remote set-up
  • Health insurance
  • Dental insurance
  • Mental health insurance
  • Great starting salary
  • Growth opportunity
  • Performance-based raises
  • Prizes and bonuses
  • Reciprocal flexibility for personal commitments and appointments
  • Path to technical leadership
  • Performance-based compensation potential
  • Professional development and personal growth opportunities