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 12)

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

• Install and configure n8n self-hosted with authentication and HTTPS.

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

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

Phase 2 Core Automations (Days 314)

• 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 1521)

• 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 2230)

• 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 FortePartners 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 Were 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 HTTP 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 HTTPS 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).

• 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.

Ready to Make an Impact

Apply now at or send your resume to with the subject line: Freelance Automation Engineer Your Name