Frontend Developer

#HumanizingTechnology ABOUT SEIDOR At SEIDOR, we help drive the transformation and competitiveness of our clients through technology and innovation, always focusing on the value of the human side and being committed to talent and sustainable development. We are a diverse and inclusive organization that believes in equal opportunities. We already have over 8,000 professionals in 45 countries across Europe, Latin America, the United States, the Middle East, Africa, and Asia. Here, you can develop and grow both professionally and personally from day one, with the support of a great team that shares human values. We carry out projects with a positive impact at both national and international levels, serving clients from different industries and collaborating closely with the leading technology providers (such as SAP, Microsoft, Salesforce, IBM, Google, AWS, Cisco, Adobe). We are one of the most recognized and awarded companies by our partners. We are committed to sustainability and promote ESG (Environmental, Social, and Governance) criteria to achieve sustainable development. We have reduced and offset our carbon footprint, becoming a net-zero company. At SEIDOR, we believe that to address the challenges of the digital world and the new hurdles that arise, we must have the best allies, market-leading technologies, and, above all, the best people. Will you join us in humanizing technology? ABOUT THE JOB We are a large company with a start-up spirit. We organize ourselves into expert knowledge Units that collaborate with each other. That's why we are looking for curious individuals who are motivated by challenges and eager to grow personally and professionally, to join our team and make a positive impact on the world through technology. ARE YOU UP FOR THE CHALLENGE? We want you to be a part of our team, from Brussels, as a Front-end developer. WHAT WILL YOU DO IN YOUR DAY-TO-DAY? Front-End Development: • Implement responsive layouts using HTML5, CSS3/SASS, and JavaScript. • Build, customize and maintain Twig templates for Drupal. • Develop and maintain CKEditor custom components. • Build reusable front-end components using JavaScript. • Ensure cross-browser compatibility and front-end performance optimisation. • (Optional) Design, implement and optimise responsive newsletter templates compatible with email clients (such as Outlook), ensuring visual consistency with EC branding guidelines. User Experience / UI Design : • Analyse and translate business requirements into UX/UI concepts. • Propose and refine mockups, wireframes, and design improvements within the EC branding guidelines constraints. • Ensure coherence, usability, and user-centered design across platforms. API Integration: • Integrate REST APIs or JSON endpoints for dynamic data presentation. Accessibility and Standards Compliance: • Ensure compliance with accessibility standards, such as WCAG. Collaboration and Documentation: • Collaborate with technical and non-technical audience. • Maintain clear, well-structured documentation. WHAT DO WE EXPECT FROM YOU? Proven experience with Drupal 8/9/10. At least 10 years of specific expertise in HTML/CSS. At least 5 years of specific expertise in Javascript and associated libraries (jQuery, Ajax, Json, Gsap). At least 5 years of specific expertise in Drupal theming. Expertise in Drupal theming, Twig templates, and front-end integration of custom modules. Excellent knowledge of Javascript, jQuery, JSON, AJAX Skilled in HTML5, CSS3, SASS. Familiarity with modern front-end tools (Webpack, npm, etc.) Ability to produce mockups, wireframes, or design prototypes using tools such as Figma or Adobe XD. Understanding of design principles/best practices and constraints such as the Europa Component Library Experience using Git and collaborative tools like GitHub or GitLab. Familiarity with Agile/Scrum workflows and tools like JIRA, Confluence. Familiarity with Docker or other containerization tools. Ability to understand, speak and write English (C1 level). WHAT WILL YOU FIND AT SEIDOR? A diverse team. We respect the differences that make us more human. Companionship. We work as a team and learn from each other. Flexibility and work-life balance. Remote working is in our DNA. We promote flexible working hours and offer shorter working day every Friday, as well as in the months of July and August. Continuous learning. Language courses, technical training, certifications, and more. Personalized career development, allowing you to decide where you want to go. Autonomy and the opportunity to suggest and promote new opportunities. Flexible compensation program. Childcare vouchers, restaurant benefits, transportation, and health insurance. Exclusive discounts and special conditions on technology, leisure, travel, and more. You can be part of charitable and environmentally related initiatives. If you have international interests, we are present in 45 countries. Join our team and help us humanize the world through technology