Job Summary: We are looking for a web back-end developer to join a multidisciplinary team contributing to the design, architecture, and development of web projects. Key Highlights: 1. Be part of a young and dynamic team. 2. Opportunity to develop professionally with major brands. 3. Collaborative environment in an innovation-oriented agency. DESCRIPTION **WordPress Back-End Developer** Permanent contract Madrid or Barcelona Salary: 30–35K gross per year Good Rebels 2026 Would you like to join a young and dynamic team where you can learn through projects for major brands? At Good Rebels, we are seeking a programmer to join our Technology department, where you will have the opportunity to grow professionally. **What are we looking for? What will be your main responsibilities?** ------------------------------------------------------------------- We seek web back-end developers eager to join an innovation-focused, multidisciplinary team delivering online services. Responsibilities * Contribute to the design, architecture, and development of web projects. Project involvement: understand client needs to identify, research, and develop technical solutions for specific developments. * **What are the job requirements?** ------------------------------------------ * Minimum 5 years of experience in WordPress development. * Development of custom themes from scratch, without using visual builders. * Creation of custom Gutenberg blocks (key requirement). Solid experience designing and coding bespoke blocks, with full integration with ACF and other WordPress functionalities is required. * 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 experience. * Experience managing multilingual sites with WPML. * Development of custom plugins tailored to business needs. * Experience in content migrations and synchronization across environments. * WordPress performance and security optimization. Technical stack: * PHP * JavaScript * HTML / CSS Databases: * MySQL * MariaDB * PostgreSQL Integrations: * REST APIs * SOAP / WCF Bonus qualifications: * Frontend development experience. * Knowledge of deployment environments (staging, production, CI/CD). * Advanced Git proficiency: branch management, conflict resolution, workflows (Gitflow). * Experience with WooCommerce or PrestaShop. What else do we expect from you? * Ability to work collaboratively in a team. * Analytical thinking and commitment to continuous improvement. * Technical curiosity and problem-solving orientation. * Ability to design scalable solutions within WordPress. * Strong communication skills with both technical and non-technical stakeholders. * Proactivity, autonomy, and high level of commitment. **What do we offer?** ------------------- * Flexibility to work in a hybrid remote/office model (Madrid or Barcelona). * Dynamic and collaborative environment in an agency serving only major brands. * Growth opportunities within the company as part of an expanding team. * Open, transparent, and innovation-driven workplace culture. * Four-day workweek (Monday to Thursday). (Terms apply) **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. 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 aim to inspire other organisations to become human-centred. 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.