
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.
- Shopify Website & App Developer
- Wordpress Website & Plugin Developer
- AWS, Dreamhost, Hostinger Management
- React JS / Native Developer
- Meta / Google Ads Manager
- Cyber Security Expert
- SEO Expert
- AI Trainer
- AI Engineer
Introduction
About me

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

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

Projects
Built more than 100+ projects
Tools I use
Technologies I work with
My Experience
UK Company
United Kingdom · Remote
Tech Lead | Backend Developer
Mar 2026 – Present · 4 mosFull-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 mosFull-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 mosSelf-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 mosContract
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 moContract
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 mosPart-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 moFull-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 yrFull-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 mosFull-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 yrsFull-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 mosFull-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 mosFull-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 mosFreelance
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 mosFull-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 mosContract
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 moreMobile App Development
Designing and developing high-performance mobile applications for various platforms.
Read moreCyber Security
Implementing robust security measures to protect digital assets from threats.
Read moreMy 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.
Custom
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.


















