John

Full-Stack Developer | AI Automation Specialist | Building Scalable Systems & Eliminating Manual Workflows

Overview

Video Introduction

Looking for Full-time work (10 hours/day) at $4.14/hour ($909.84/month)

Educational Degree

Bachelor's degree

Availability

Full-time

Portfolio / Website

https://johnarniemariano.vercel.app/

Top Skills

FullstackREST APIWeb Development

Last Active

May 29th, 2026 (2 months ago)

Member Since

May 11th, 2026

"I have one of the best VAs I've had in a long time...she's been amazing"

Davonna Willis

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About

Helping businesses automate operations, reduce manual work, and build scalable digital systems. I’m a Full-Stack Developer and AI Automation Specialist focused on building modern SaaS applications, AI-powered workflows, automation systems, and business tools that improve productivity and streamline operations.

I develop complete end-to-end solutions — from responsive front-end interfaces and scalable back-end systems to AI integrations, workflow automations, APIs, and cloud deployments. My expertise includes React, Node.js, Laravel, Python, Flutter, MySQL, PostgreSQL, MongoDB, Firebase, Docker, n8n, Make, Zapier, OpenAI, LangChain, and Vercel.

I build SaaS platforms, AI chatbots, CRM automations, admin dashboards, landing pages, internal business tools, and workflow automation pipelines designed for scalability, efficiency, and real business impact.