
I'm John Lemuel — Full-Stack Engineer and AI Automation Builder.
For the last six years I've been shipping production web apps with React, Next.js, Laravel, and TypeScript. I care about clean architecture, fast load times, and interfaces that feel obvious to use.
More recently I've gone deep into AI automation. I build GPT-powered workflows, RAG chatbots, and small autonomous agents that quietly handle the work nobody wants to do — qualifying leads, processing documents, drafting content, answering tier-1 support. The stack I reach for: OpenAI, RAG over Pinecone or Supabase, wired together with n8n, Zapier, GHL, or hand-rolled Node/Python workers.
What I bring is the rare combo: I can ship the polished web app and wire up the AI behind it. No handoffs, no “the dev says it can't be done” — just the whole thing, built and running.
When I'm not coding I'm usually exploring new AI tools, contributing to open source, and trading notes with other builders in the Philippine dev community.
Web Development
My day-to-day toolkit for shipping web apps.
AI & Automation
The stack I reach for to automate workflows and build agents.