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John Dominic Jasmin
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Hey, I'm John Dominic — Senior Android Developer & AI Automation Engineer

I build AI-powered automation systems and production-grade Android apps. I help businesses eliminate manual work through n8n, OpenAI, GoHighLevel, and Supabase — and build scalable mobile apps using Kotlin and React Native.

My Work

About Me Here you will find more information about me, what I do, and my current skills mostly in terms of programming and technology

Get to know me!

Hey! I'm John Dominic — an AI Automation Engineer and Senior Android Developer. The majority of my work is building intelligent automation systems for businesses: AI chatbots, voice agents, lead routing pipelines, and end-to-end workflow automation powered by n8n, OpenAI, GoHighLevel, and Vapi. I help businesses eliminate repetitive manual work and scale faster.

The other side of my craft is production-grade Android development in Kotlin — building reliable, well-architected mobile apps. Feel free to contact me here.

Contact

My Skills

n8n
OpenAI
Python
FastAPI
JavaScript
Node.js
REST API
GoHighLevel
Vapi
Meta Graph API
Supabase
Kotlin
Android
Firebase
Java
Jetpack Compose
GIT
SQL
NoSQL
Figma

AI Automation Real-world AI automation systems built for businesses — from messenger chatbots and voice agents to lead routing and ROI calculators

Multi-Branch AI Messenger Chatbot
n8n OpenAI Assistants API Supabase Meta Graph API

Multi-Branch AI Messenger Chatbot

AI chatbot on Facebook Messenger handling inquiries and bookings for a motorcycle shop across multiple Metro Manila branches — 24/7, responses in seconds instead of hours.

Watch Demo →
PropConnect AI Voice Agent
Vapi n8n GoHighLevel OpenAI

PropConnect AI Voice Agent

AI voice agent handling inbound real estate calls 24/7 — qualifies leads and books viewings with under 5-second response time.

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Smart Lead Routing System
n8n GoHighLevel OpenAI Supabase

Smart Lead Routing System

Scores leads High/Medium/Low, generates personalized replies, and routes them to the right CRM pipeline in under 2 seconds.

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AI Appointment Setter
Vapi n8n GoHighLevel

AI Appointment Setter

"Alex" — AI voice agent that qualifies leads and books property viewings in under 5 seconds, with instant CRM sync.

Watch Demo →
Solar ROI Calculator
n8n OpenAI React Native Supabase

Solar ROI Calculator

Cross-platform app delivering solar ROI estimates in under 2 minutes with automated lead capture and pipeline management.

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Mobile Projects Android and desktop applications I've built — from community tools to consumer apps

Cyclistance
Android Kotlin Firebase Google Maps API

Cyclistance

Android app that helps cyclists order roadside assistance within clicks — the closest available helper arrives at your exact GPS location.

More Details →
CoinSearch
Android Kotlin REST API

CoinSearch

Android app for searching crypto coins and their live market data — built for quick familiarity with the crypto market.

More Details →
Byahero
Android Kotlin Google Maps

Byahero

Commuter app that alerts riders when their stop is approaching — no more missing your destination or falling asleep on the bus.

More Details →

Contact Feel free to Contact me by submitting the form below and I will get back to you as soon as possible