We are seeking a highly experienced Senior Freelance Drupal Developer for a temporary replacement contract of 70 days . In this role, you will take full ownership of advanced front-end and back-end development, handling intricate custom modules, fine-tuning complex site configurations, and ensuring seamless third-party integrations. As a senior engineer, you must be able to hit the ground running with minimal onboarding.
JOB DESCRIPTION:
Write, review, and implement highly complex custom Drupal modules and hooks.
Build and maintain high-performance, responsive Drupal themes using Twig, HTML5, CSS3, and JavaScript.
Configure and optimize Drupal core, contributed modules, complex views, taxonomy, and content types.
Diagnose deep technical bugs, execute secure core/module updates, and optimize website performance during the coverage period.
Deliver clean, secure,



and well-documented code that strictly follows Drupal coding best practices.
SKILLS AND TECHNOLOGIES:
Experience: 13+ years of professional web development experience , with an extensive and proven track record in Drupal 9 / 10 .
Expert-level knowledge of PHP, OOP (Object-Oriented Programming), and MySQL/MariaDB database management.
Strong command of HTML5, CSS3/SASS, modern JavaScript, and Twig templating engines.
Deep familiarity with professional Git workflows, Composer dependency management, and Drush.
Availability: Ready to start immediately or on short notice to cover the full 70-day window.
Deadline 30/09/26
Delivery mode : Remote from EU
Only EU Citizens

📌 Senior Drupal Developer (España)
🏢 AlmavivA de Belgique
📍 España