Skip to content
View dcaste's full-sized avatar

Block or report dcaste

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
dcaste/README.md

Hi, I’m Dax Castellón 👋

Full Stack Web Developer with 20+ years of experience building high-performance websites and scalable e-commerce platforms.

I specialize in turning WordPress into a custom-engineered CMS, combining it with modern frontend frameworks and solid backend architecture.


🚀 What I bring

  • Built and maintained custom WordPress & WooCommerce solutions for real businesses
  • Developed bespoke plugins tailored to complex workflows and integrations
  • Improved performance, SEO, and security across multiple production systems
  • Managed servers, migrations, and cloud environments
  • Integrated external services via REST APIs (ERP, marketing tools, etc.)

🧠 Core Expertise

  • Custom WordPress Development (Themes, Plugins, WooCommerce)
  • Performance Optimization & SEO (Core Web Vitals, structured data)
  • API Integrations (REST, third-party services, ERP systems)
  • Server & Infrastructure Management (LAMP, Cloudflare, hosting)
  • E-commerce Systems (scalable, optimized, reliable)

🔧 Tech Stack

Frontend

  • HTML5, CSS3, SASS, LESS
  • JavaScript (ES6+), Svelte, Next.js
  • Tailwind, Bootstrap, Foundation

Backend / CMS

  • PHP 8+
  • WordPress (custom-first approach)
  • WooCommerce
  • Strapi (headless CMS)

Data

  • MySQL, MariaDB, PostgreSQL

DevOps & Infra

  • Git, Cloudflare, Apache
  • cPanel, Cloudways
  • Local environments (Docker, XAMPP, Local)

SEO & Analytics

  • Technical SEO
  • Schema.org structured data
  • Google Analytics

💼 Selected Experience

Full Stack Web Developer — goodvibe GmbH (2022–2026)

  • Developed custom plugins and integrations for e-commerce platforms
  • Led site migrations and infrastructure upgrades
  • Improved performance, SEO, and system stability
  • Integrated JTL ERP with WordPress/WooCommerce

Freelance & Agency Work (2010–2021)

  • Delivered end-to-end web solutions (design → development → deployment)
  • Built custom CMS solutions and e-commerce platforms
  • Managed hosting, servers, and optimization

⚡ Current Focus

  • Building Svelte frontends with WordPress (headless / hybrid)
  • Exploring modern CMS architectures
  • Learning Astro, Python, and AI fundamentals

📚 Learning

  • Svelte & advanced frontend patterns
  • Automation with n8n
  • German (B1 → B2)
  • Italian (A1)

☕ Contact

Pinned Loading

  1. dax_wp_starter dax_wp_starter Public template

    A clean, basic and minimum style to be used as a template for develop a custom WordPress theme.

    JavaScript

  2. acf-slideshow acf-slideshow Public

    A basic slideshow code example on how to use Advanced Custom Fields to create a slideshow block for Wordpress Gutenberg editor

    PHP 2

  3. dcaste-wp-performance dcaste-wp-performance Public

    A small collection of snippets that improves WordPress performance by removing or tweaking some options.

    PHP

  4. wp-htaccess wp-htaccess Public

    A collection of security and performance improvementes for Wordpress

    1