cover
Part Time

Freelance WordPress Back-End Developer/ 1 week ago

Good Rebels
Attractive
Application ends: 2026-04-25

Quick Summary

Good Rebels is hiring a Freelance WordPress Back-End Developer in Spain (remote, Madrid, or Barcelona) for project-based work on major brands. This role requires a minimum of 5 years of WordPress development experience, including custom theme development from scratch, creating custom Gutenberg blocks with ACF integration, and solid experience with Custom Post Types, Custom Taxonomies, WordPress Multisite, WPML, custom plugins, and performance/security optimization, utilizing PHP, JavaScript, HTML/CSS, MySQL, MariaDB, PostgreSQL, and REST/SOAP APIs.

Freelance WordPress Back-End Developer

We are seeking freelance back-end web developers to collaborate on agency projects for major brands. This project-based role offers remuneration to be agreed upon based on service scope, with opportunities in Madrid, Barcelona, or remote.

Responsibilities

  • Contribute to the design, architecture, and development of Web projects.
  • Participate in projects by understanding client needs to identify, research, and develop technical solutions for specific requirements.

Requirements

  • Minimum 5 years of experience in WordPress development.
  • Development of custom themes from scratch, without the use of visual builders.
  • Creation of custom Gutenberg blocks (key requirement). Solid experience designing and programming custom blocks is required, with full integration with ACF and other WordPress functionalities.
  • Advanced experience with the ACF (Advanced Custom Fields) plugin.

Solid experience working with:

  • Custom Post Types (CPTs).
  • Custom Taxonomies.
  • Data modeling and structuring in WordPress.
  • WordPress Multisite.
  • Managing multilingual sites with WPML.
  • Development of custom plugins adapted to business needs.
  • Content migrations and synchronization between environments.
  • WordPress performance and security optimization.

Technical Stack

  • PHP
  • JavaScript
  • HTML / CSS

Databases

  • MySQL
  • MariaDB
  • PostgreSQL

Integrations

  • REST APIs
  • SOAP / WCF

Positively Valued

  • Frontend development experience.
  • Knowledge of deployment environments (staging, production, CI/CD).
  • Advanced Git management: branch management, conflict resolution, workflows (Gitflow).
  • Experience with WooCommerce or PrestaShop.

Good Rebels: Who We Are, What We Do

Good Rebels is an independent digital consultancy and agency. We create digital experiences that connect brands and people. We are kind-hearted people who aren’t afraid to rebel. We combine data, design, creativity, and technology to serve clients like Toyota, Domino's Pizza, LG, Repsol, Eroski, General Óptica,... with multicultural teams in Madrid and Barcelona.

Good Rebels aims to inspire other organizations to become human-centered. We work in an open and collaborative environment that promotes love in the workplace and fun. We are a rare, self-managed, progressive company, with a very special Rebel Culture. Did you know that our salaries are public and salary raises are crowd-set?

Dragon Awards of Happiness Culture 2022 Employer Branding category

Good Rebels is a Certified B Corporation.

Share

Good Rebels

Good Rebels

    View Profile
    Your experience on this site will be improved by allowing cookies Cookie Policy