For a specific project within the European Commission, we are looking for a heavyweight Drupal Backend Developer. We are not looking for a generalist web developer, but a specialist who knows the Drupal architecture inside out and can translate complex business logic into robust code.While the primary focus is on backend architecture, we expect a 'Full-Stack' mindset: you understand how your backend communicates with high-end front-end frameworks and take responsibility for the overall technical integrity.Your Technical StackDrupal Backend (Core Focus): In-depth knowledge of Drupal (9/10+) core, custom module development, and complex API integrations. You are an expert in PHP and the Symfony architecture within the Drupal ecosystem.Templating: Extensive experience with TWIG to create a seamless bridge to the front-end.Front-End Frameworks: * React: Absolute priority. You have experience with headless or decoupled solutions.Angular: Proficiency at a level that allows you to be immediately deployed in existing environments.Advanced JavaScript: Strong proficiency is required.Languages: English (fluent).Design & User ExperienceDespite your deep backend focus, you have a keen eye for the end user:You possess strong knowledge of UX/UI principles and apply them practically in your technical decisions.You ensure the backend optimally facilitates the front-end for a superior user experience.Who We Are Looking For: The ExpertThe Commission is exclusively looking for Experts. This means:You are an authority in your field with a proven track record in enterprise-level environments.You are accustomed to working according to the highest standards regarding security and clean code.You can substantiate architectural choices and provide high-level advice.Contract OptionsWe are looking for the best match and offer flexibility in the collaboration:Project Contract (Employee): A payroll contract for the duration of the project, including a competitive package that reflects your expert status.Freelance: Collaboration on a freelance basis for the duration of the project.