Join the Website & eCommerce team, which currently develops and maintains around 140 websites. They are currently running on Drupal and WordPress, and by 2026 all sites will be migrated to a single CMS – Drupal. The team in Poland will be responsible for both phasing out the old platforms and designing and implementing the new multisite Drupal platform. You will support the migration of existing websites while contributing to the creation of a modern website ecosystem.Your tasks Develop and maintain custom CMS modules, plugins, and integrations Contribute to all phases of the development lifecycle Drive best practices (test-driven development, continuous integration, SCRUM, refactoring, code standards) Work closely with front-end designers and developers to ensure effective, visually appealing, and intuitive implementations Ensure content is easily editable by non-technical staff Optimize applications for maximum speed and scalability Requirements Minimum 4 years of experience in CMS development with strong expertise in both Drupal and WordPress (preferred latest versions) Good knowledge of asynchronous request handling and partial page updates Proficiency in cross-browser compatibility issues and strategies to address them Experience with data migration, transformation, and scripting, as well as fundamental design principles behind scalable applications Openness to working in a hybrid model – two days per week from the office Fluency in both Polish and English Residing in Poland required What we offer  Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas  Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market  We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022  Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more  Comfortable workplace – class A offices or remote work  Dozens of fascinating projects for prestigious brands from all over the world  PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers  Investment in your growth – meetups, webinars, training platform and technology blog – you choose  Fantastic atmosphere created by all Sii Power People  Join the Sii team – develop your skills, gain experience, and build your career!