Freelance Automation Engineer

About Asiacruit

At Asiacruit, we connect top talent with forward-thinking organizations across industries. Our mission is to help businesses grow through smart, strategic, and people-focused solutions. We support companies by providing high-quality Philippine-based talent for both local and global markets. If you are analytical, collaborative, and committed to enabling business growth, we invite you to apply.

About the Role

You will build and deploy a complete business automation system from scratch. The stack centres on n8n (self-hosted) , Airtable , Claude API , Chatwoot , WATI (WhatsApp Business API) , Wave Accounting , and Google Workspace APIs . The system spans five operational domains and includes approximately 35 automation workflows across three service tiers .

Key Domains & Scope

• Customer Communications — Inbound message handling, AI-assisted response drafting, and lead classification across WhatsApp, Facebook Messenger, Instagram DM, and email.

• Job & Booking Operations — Quote generation support, follow-up sequences (Day 1 / 3 / 7), booking confirmations, job assignment to technicians, no-show reminders, and route optimisation.

• Revenue & Finance — Auto-invoice generation via Wave API, payment reminder sequences, bookkeeping entries, and weekly/monthly financial summaries.

• Reputation & Retention — Google review request automation, review reply drafting, customer retention sequences (90-day / 180-day), and WhatsApp broadcast campaigns.

• Internal Operations — VA performance dashboards, client onboarding automation, QA monitoring alerts, and monthly billing to our own clients.

Tech Stack

• n8n (self-hosted)

• Airtable API

• Claude API (Haiku)

• WATI / WhatsApp API

• Wave Accounting API

• Chatwoot

• Google Workspace APIs (Calendar, Gmail, Places, Routes)

• Docker / VPS (Hetzner)

What You Will Do

Phase 1 — Infrastructure Setup (Days 1–2)

• Provision and configure a VPS (Hetzner or DigitalOcean) with Docker.

• Install and configure n8n self-hosted with authentication and

• Deploy Chatwoot (self-hosted) and connect all communication channels.

• Set up credential management and environment variables for all APIs.

Phase 2 — Core Automations (Days 3–14)

• Build the WhatsApp inbound handler with Chatwoot webhook integration.

• Implement Claude API integration for message classification and AI draft generation.

• Build the Airtable database schema (Clients, Customers, Jobs, Quotes, Technicians, Conversations).

• Develop lead scoring, missed-lead recovery, and quote follow-up sequences.

• Build job notification flows to technicians with confirmation logic.

• Implement no-show reminder system (24hr and 2hr pre-job).

Phase 3 — Revenue & Operations Automations (Days 15–21)

• Integrate Wave Accounting API for invoice auto-generation.

• Build payment reminder sequences (Day 0 / 3 / 7 / 14) with escalation logic.

• Integrate Google Calendar API for scheduling and technician assignment.

• Implement route optimisation via Google Routes API with daily technician briefings.

• Generate weekly and monthly reports with Claude-written summaries.

Phase 4 — Retention & Intelligence Automations (Days 22–30)

• Google review monitoring via Places API and AI-drafted reply workflow.

• Customer retention sequences (90-day, 180-day re-engagement).

• WhatsApp broadcast campaign system with opt-out compliance.

• Seasonal maintenance reminders and greeting campaigns.

• Competitor pricing monitoring via Google Maps and Carousell.

• Annual service contract management with auto-scheduling.

Phase 5 — Internal Systems

• VA performance dashboard with SLA monitoring and alert triggers.

• Client onboarding automation (form → Airtable → system setup → VA assignment).

• QA monitoring with sentiment detection and escalation alerts.

• Monthly billing automation for FortePartner’s own client invoices.

Ongoing (Post-Build)

• Monitor system health and resolve workflow failures promptly.

• Update AI prompts based on quality feedback from the VA team.

• Onboard new clients into the automation system as the business scales.

• Build additional automations as the business grows.

What We’re Looking For

Must-Have Experience

• n8n — hands-on workflow building, webhook handling, conditional logic, scheduled triggers, and error handling.

• REST API integration — comfortable reading API docs and building request nodes independently.

• Airtable API — able to read, create, and update records via API (not only UI).

• LLM API integration — experience calling OpenAI/Claude (or similar) with structured prompts.

• Linux VPS — set up Docker, manage services, configure and troubleshoot server issues.

• WhatsApp Business API — experience with WATI, 360Dialog, or similar BSP.

Strong Advantage

• Chatwoot — self-hosted deployment and inbox configuration.

• Google Workspace APIs — Calendar, Gmail, Places, Routes.

• Wave Accounting API — invoice and transaction management.

• Multi-tenant automation design — one workflow serving multiple clients with different configurations.

• Prompt engineering — system prompt design for consistent AI output quality.

Working Style

• Comfortable working from detailed written specification without hand-holding.

• Proactive communicator — flags blockers early and asks the right questions.

• Delivers working builds — tests flows end-to-end before marking tasks done.

• Documents clearly so a non-technical team can understand the logic.

• Available for a daily async check-in during the 30-day build phase.

Good to Have

• Prior work with home service businesses, field service management, or similar SMB verticals.

• Experience building automations that support VA teams or BPO operations.

• Familiarity with Singapore-specific tools (PayNow, Carousell, SingPass-connected services).

• Make.com experience (as a fallback if self-hosted n8n is not feasible).

• Basic frontend or form-builder skills for lightweight client-facing tools.

Engagement Details

• Phase 1 Deliverable : Full automation system live and tested within 30 days .

• Ongoing Retainer : Monthly agreement for maintenance, new automations, and scaling support.

• Communication : Async-first via WhatsApp or Slack; video calls for scoping and reviews.

• Handover / IP & Confidentiality : All n8n workflow exports, Airtable schema docs, and setup notes required; NDA and IP assignment required before project commencement.

Payment Terms

Milestone-based for Phase 1; monthly for retainer.

Apply now at or send your resume to View email address on careers.asiacruit.com with the subject line: “Freelance Automation Engineer – [Your Name]”