Hi! I’m Perfecto II Cayabyab

AI Integration Specialist & Full Stack Developer.

I am an AI Integration Specialist & Full Stack Developer based in the Philippines, with 10 years of experience across multiple companies.

Introduction

About me

user

I am an experienced AI Integration Specialist & Full Stack Developer with over a decade of professional expertise in the field. Throughout my career, I have had the privilege of collaborating with prestigious organizations, contributing to their success and growth.

  • Languages

    Languages

    React Js, Next Js, Node Js, Python, HTML, Css, JavaScript...

  • Education

    Education

    MIT-Cyber Security, B.S. Information Technology,

  • Projects

    Projects

    Built more than 100+ projects

Tools I use

  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool
  • Tool

Technologies I work with

My Experience

UK Company

United Kingdom · Remote

Tech Lead | Backend Developer

Mar 2026 – Present · 4 mos

Full-time

Promoted to Tech Lead. Leading backend development and multi-platform integrations: AI-powered features and workflow automation, third-party platforms (GoHighLevel, Monday CRM, email marketing, chat, analytics), advanced WooCommerce logic, and end-to-end system stability, security, and scalability.

Stack: Node.js, PHP, Python, Next.js, React.js, WordPress, WooCommerce, Tailwind CSS

Full Stack Engineer

Aug 2024 – Mar 2026 · 1 yr 7 mos

Full-time

Developed and maintained multiple websites and cross-platform mobile apps (Android/iOS) using Flutter, React Native, Next.js, Node.js, and WordPress. Integrated AI-powered features, marketing/tracking systems (GA, Google Ads, GTM, Search Console, CAPTCHA), and custom WooCommerce checkout flows and dynamic product logic.

Stack: React.js, Next.js, WordPress, WooCommerce, Flutter, React Native, Node.js, JavaScript, PHP, Python, Tailwind CSS, HTML/CSS

Peks3D

Philippines · On-site

3D Printing Content Creator

Nov 2025 – Present · 8 mos

Self-employed

Create timelapse videos of 3D printed projects, share builds and the printing process on YouTube and Facebook, and document printer settings, materials, and design workflows.

Stack: 3D Modeling, 3D Printing, Video Editing

GatePass

United States · Remote

Full-stack Developer

Jan 2026 – Apr 2026 · 3 mos

Contract

Developed and maintained a full-stack web application combining React and WordPress. Managed AWS cloud infrastructure (compute, storage, databases, DNS), improved performance and security (caching, SSL, firewalls, CDN), integrated external APIs, and configured analytics platforms. Maintained quality with Git and CI/CD.

Stack: React.js, WordPress, AWS, JavaScript, PHP, HTML/CSS, Tailwind CSS, MySQL, Git

Full-stack Developer

Jul 2025 – Aug 2025 · 1 mo

Contract

Initial contract engagement: built responsive, dynamic interfaces with React.js, customized WordPress themes and plugins with REST API integrations, and deployed on AWS with caching, SSL, and content delivery optimizations.

Stack: React.js, WordPress, AWS, JavaScript, PHP, Tailwind CSS, MySQL, Git

Grypion

United States · Remote

Full Stack Engineer

Dec 2025 – Apr 2026 · 4 mos

Part-time

Built, optimized, and scaled e-commerce platforms with a focus on Shopify development, SEO, and MarTech: custom sections/blocks/snippets, GraphQL integrations, dynamic pricing, Lighthouse optimization, technical SEO (Search Console, structured data, schema), GA4/GTM/Clarity analytics, and CRM + email automation integrated with Shopify.

Stack: Shopify, JavaScript, GraphQL, SEO, GA4, GTM, Meta & TikTok Ads, CRM Systems, APIs

Lucky Lion Services Inc.

United States · Remote

Full-stack Developer

Jun 2025 – Jun 2025 ·

Contract

Designed and developed a responsive, scalable React-based website hosted on AWS. Implemented NextAuth.js authentication, integrated MongoDB for real-time content, and built reusable UI components with Tailwind CSS with Node.js handling both frontend and backend logic.

Stack: React.js, AWS, MongoDB, NextAuth.js, Node.js, Tailwind CSS

Baifumei.com

United Kingdom · Remote

Senior Full-Stack Developer | Shopify & WordPress Specialist | AI Integration & Systems Automation

May 2024 – Jun 2025 · 1 yr 1 mo

Full-time

Built, scaled, and integrated high-performance eCommerce platforms on Shopify Plus and AWS-hosted WordPress: plugin creation, third-party integrations, and full-system migrations. Integrated AI-powered tools to automate tasks and streamline productivity — with a focus on security, scalability, and compliance.

Stack: Node.js, React, PHP, Python, Ruby, Go, Rust, JavaScript, Liquid, Deluge, Tailwind CSS, C, JSON

Full-Stack Developer | Shopify & WordPress Specialist Systems Automation

May 2023 – May 2024 · 1 yr

Full-time

Specialized in Shopify Plus and AWS-hosted WordPress development with deep expertise in plugin creation, third-party integrations, and full-system migrations, taking ownership of both frontend and backend systems.

Stack: Node.js, React, PHP, Python, JavaScript, Liquid, Tailwind CSS, JSON

BioEnertec

United States · Remote

Full-stack Developer

May 2024 – Mar 2025 · 10 mos

Full-time

Fully rebuilt the company's eCommerce site by migrating WordPress → Shopify (theme replication, data transfer, performance), then led a reverse migration back to WordPress. Developed custom Shopify apps and WordPress plugins, integrated shipping providers, CRMs, and marketing tools, and engineered scalable backend automation.

Stack: Shopify, WordPress, Liquid, Tailwind CSS, JavaScript, PHP, Python, Ruby, Go, Rust, Deluge

Upwork / Fiverr

Remote

Full Stack Developer

Jan 2019 – Jan 2025 · 6 yrs

Full-time

Long-running freelance practice: Shopify & WordPress builds, React Native mobile apps, marketing integrations (Google/Facebook Ads), and SEO projects for clients worldwide.

Stack: Shopify, WordPress, React Native, SEO, Google Ads, Facebook Ads

Sqinn Co

Philippines · On-site

Full-stack Developer

Jan 2021 – Dec 2024 · 3 yrs 11 mos

Full-time

Designed and developed the company website from scratch — frontend, backend architecture (server setup, database, APIs, security), and the full IT infrastructure (hosting, domains, cloud services, internal network) with DevOps and cybersecurity best practices.

Stack: Web Development, Node.js, PHP, APIs, Cloud Hosting, Google Ads

Valuemart

Pangasinan, Philippines · On-site

IT Support

Aug 2022 – Jun 2023 · 10 mos

Full-time

Installed and updated hardware/software for desktops and laptops; managed setup and configuration of networks, servers, CCTV, kiosks, LED walls, and printers.

Stack: IT Setup, Networks, CCTV, Printers, Windows/Linux/macOS

Upwork

Pangasinan, Philippines · Remote

Website Developer / Mobile App Developer

Feb 2018 – Jul 2022 · 4 yrs 5 mos

Freelance

Built a wide range of WordPress/Shopify sites (e-commerce, portfolios, business, blogs, dropshipping, booking) and Android/iOS mobile apps (shopping, games, messaging, video streaming) with React Native.

Stack: WordPress, Shopify, React Native, Android, iOS

Phinma University of Pangasinan

Pangasinan, Philippines · On-site

Registrar Staff / MIS Coordinator

Oct 2018 – Jun 2020 · 1 yr 8 mos

Full-time

Managed student and teacher records and maintained the academic information system: enrollments, grades, class schedules, report generation, and the DepEd Learners Information System.

Stack: MIS Systems, Data Management, Education Tech

Phinma University of Pangasinan Urdaneta

Pangasinan, Philippines · On-site

IT Staff / Laboratory Custodian

Apr 2018 – Oct 2018 · 6 mos

Contract

Managed laboratory setups for Windows, Linux, and macOS computers; configured networks, servers, CCTV, and printers; installed and updated hardware and software.

Stack: IT Lab Setup, OS Maintenance, Network Configuration

Shopify Website & App Dev.

  • HTML
  • Javascript
  • Oxygen
  • Ajax API
  • Remix
  • Plugin
  • CSS
  • Liquid
  • Graphql
  • Storefront
  • React JS
  • Theme Dev
  • Tailwind CSS
  • Hydrogen
  • Rest API
  • Ajax API
  • Functions
  • Node JS
  • Shopify CLI
  • App Bridge
  • Polaris
  • Webhooks
  • Shopify APIs
  • Metafields

WordPress Website & Plugin Dev.

  • HTML
  • Javascript
  • Back-End
  • MySQL
  • Web Security
  • Plugin
  • CSS
  • PHP
  • Responsive
  • API
  • Git
  • Theme Dev
  • Tailwind CSS
  • Front-End
  • Bootstrap
  • Ajax API
  • SEO
  • Functions
  • WP-CLI
  • ACF
  • CPT UI
  • REST API
  • WooCommerce
  • Gutenberg

Custom Website Development

  • HTML5
  • CSS3
  • JavaScript
  • React.js
  • Next.js
  • Tailwind CSS
  • PHP
  • Node.js
  • Express.js
  • REST API
  • GraphQL
  • MySQL
  • Git & GitHub
  • Webpack
  • Docker
  • Vercel
  • cPanel
  • CI/CD
  • SEO Optimization
  • Responsive Design
  • Lazy Loading
  • Server-Side Rendering
  • Form Handling
  • Authentication

Software & Utilities

  • Adobe Products
  • Canva
  • Photo Editing
  • Video Editing
  • Audio Editing
  • Screaming Frog
  • Salesforce CRM
  • Hubspot CRM
  • Monday CRM
  • Zoho CRM
  • Slack
  • Google Applications
  • Microsoft Products
  • AWS
  • Hostinger
  • Bluehost
  • Dreamhost
  • Server Management
  • Operating Systems
  • IT Softwares
  • Utilities
  • System Monitoring
  • Cloud Storage
  • Remote Access Tools

What I offer

My Services

I am an AI Engineer & Full Stack Developer from the Philippines with 10 years of experience across multiple companies.

Web Development

Creating dynamic and responsive websites tailored to user needs and business goals.

Read more

Mobile App Development

Designing and developing high-performance mobile applications for various platforms.

Read more

Utilities

Providing essential tools and services to enhance productivity and efficiency.

Read more

Cyber Security

Implementing robust security measures to protect digital assets from threats.

Read more

My portfolio

My latest work

Welcome to my web and app development portfolio! Explore a collection of projects showcasing my expertise in front-end and back-end development.

SaaS

Storefront Copilot

AI SaaS - Next.js, Supabase, Gemini

send icon

Shopify

Grypion - Sports

Shopify Website

send icon

WordPress

Gatepass

Flexible upfits for work vans.

send icon

Custom

Peks3D

NextJS - 3D Printing Shop

send icon

Developer Portfolio

NextJS - This website, with a custom AI chatbot

send icon

Headless

SQINN CO

Shopify - Jewelry Store

send icon

Connect with me

Get in touch

I‘d love to hear from you! If you have any questions, comments, or feedback, please use the form below.

Perfecto.

perfectocayabyab@gmail.com

© 2025 Perfecto II Cayabyab. All rights reserved.