[FOR HIRE] n8n AI Agent & Automation Engineer — RAG, WhatsApp Bots, Agentic Workflows, Supabase

Jobs
1

Hi n8n community,

I’m Xian Gang, an automation engineer specializing in agentic AI workflows and business process automation using n8n.

Core stack (production-tested):

  • n8n workflow automation + AI agent orchestration
    • RAG pipelines — Supabase pgvector + semantic search
      • WhatsApp AI bots via n8n + Evolution API
        • Voice agents (Vapi) for lead qualification and support
          • Supabase, Python, TypeScript, Playwright
            • Claude / GPT / LangChain API integrations
          • Past work:
          • Built a RAG-based WhatsApp AI agent for a Malaysian pharmacy chain — 200+ daily queries automated, 80% resolved without human intervention. Also building AI Sales Assistant systems for Malaysian SMEs (Sapot.ai).
        • What I can solve for you:
          • Repetitive manual workflows turned into automated pipelines
            • CRM enrichment + personalized outreach at scale
              • AI-powered customer communication (WhatsApp, email, voice)
                • Custom n8n nodes, API integrations, multi-agent systems
              • Pricing: Fixed-price from $300 | Ongoing retainer from $500/month
            • To work with me, reply with:
              1. The manual process you want automated
                1. Your current tools (CRM, spreadsheets, platforms)
                  1. Your budget range
                3. Stack: n8n · LangChain · Supabase · Python · TypeScript · Vapi · RAG · WhatsApp · Claude API · GoHighLevel
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Hello @lewxiangang , welcome to n8n community, I have worked and have experience with n8n and l will love to collaborate with you on this you can schedule a call Here and you can checkout my upwork profile Here, for my pastworks and certifications