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AI Automation Engineer – P3
WeAssist.io. Build and maintain custom middleware connecting Vapi, Retell, and Assistable within GoHighLevel to field service management systems .
Core Competencies
Role fitCore Competencies
Use this summary to align your resume positioning with the role.
Demonstrates expertise in building and maintaining custom middleware and integrations using REST APIs, OAuth, and various automation platforms. Proficient in developing production voice agents and optimizing workflows while ensuring data privacy and API security.
Highest-signal resume keywords
Middleware DevelopmentVoice Agent DeploymentJavaScript ProgrammingGoHighLevel WorkflowsAPI Security
ATS Keywords
Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills
Middleware DevelopmentREST APIsOAuthJavaScriptTypeScript.NETC#C++Prompt TuningAutomation
Soft Skills
Client SupportIndependent WorkProblem Solving
Tools & Technologies
GoHighLevelVapiRetellAssistableElevenLabsN8nHermesComposioOpenClawServiceTitan
Industry Keywords
Field Service ManagementHome Service TradesData PrivacyCredential VaultsSEO Automation
Tech Stack
Tools & technologiesJavaScriptTypeScriptC++.NET
About the role
Key responsibilities & impact- Build and maintain custom middleware connecting Vapi, Retell, and Assistable within GoHighLevel to field service management systems
- Integrate platforms such as 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 connecting live voice conversations to 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, maintain, and tune production voice agents using Vapi, Retell, Assistable, and ElevenLabs
- Test prompts, optimize latency, design agent harnesses, curate knowledge bases, and architect decision trees
- 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 using Hermes, OpenClaw, Composio, and n8n
- Build AI agents that securely access third-party portals for contractor administration
- Deploy automation packages for beta client accounts
- Join client onboarding calls, gather requirements, and execute client setup and integrations
- Connect client information to GoHighLevel sub-accounts and verify systems, credentials, and automations
- Provide technical support and troubleshoot client issues
- Escalate and resolve platform bugs with SaaS vendor support teams
- Build dashboards tracking voice minutes, booking volume, and system activity
- Configure internal GoHighLevel automations and document technical architectures and SOPs
- Recommend technical solutions and collaborate with the founder on system design
- Work with the 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
- Assist with website setup, landing pages, hosting, AEO, AI content workflows, Google Business Profile, and local marketing automations as needed
Requirements
What you’ll need- 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 own code
- Comfort reading .NET / C# / C++ environments is a plus
- Proven 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
- Solid grasp of API security, data privacy, credential vaults, VPNs, and VPS hosting
- Fluent written and spoken English
- Comfortable supporting clients directly
- Able 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 preferred
- Experience with website builders, hosting, landing pages, Google Business Profile, and AEO/SEO automation preferred
Benefits
Comp & perks- 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
- Professional growth and development opportunities