CMS Drupal Developer

Crestt Sp. z o.o. is hiring for a CMS Developer role focused on Drupal 11 and WordPress platforms, working on multisite, multilingual, and multi-domain CMS solutions with international teams.

• Strong experience as a CMS Developer with deep expertise in Drupal 11 (custom modules, multisite, multilingual, configuration split, paragraphs)
• Hands-on experience with RESTful services, JSON:API, GraphQL
• Solid knowledge of WordPress (custom plugins, multilingual, REST, GraphQL)
• Strong front-end development skills: JavaScript, TypeScript, React.js, Next.js, HTML5, CSS/SCSS, Tailwind, jQuery, AJAX
• Backend development experience with PHP
• Experience with API-driven architectures
• Familiarity with Docker, Kubernetes, GitLab CI/CD
• Experience working with cloud platforms (AWS, Azure, or GCP)
• Proficiency with Git, Jira, and Confluence
• Experience with PHPUnit and test-driven development
• Understanding of headless, decoupled, and micro frontend architectures
• Component-based design approach
• Experience working in Agile/Scrum environments
• Strong problem-solving and analytical skills
• Ability to work in distributed, international teams
• Good communication skills in English
• Proactive mindset and ownership of solutions

Nice to have:

• Experience with large-scale multisite CMS platforms
• Background in data migration and transformation
• Prior experience in e-commerce environments
• Leadership or mentoring experience (for Lead level)

• Design, develop, and maintain CMS-based solutions using Drupal 11 and WordPress
• Build and maintain multisite, multilingual, and multi-domain platforms
• Develop custom Drupal modules and WordPress plugins
• Implement headless and decoupled architectures using REST, JSON:API, and GraphQL
• Translate UI/UX designs (Figma) into high-quality, reusable front-end components
• Develop front-end solutions using React.js and Next.js (SSG/SSR, i18n, performance optimisation)
• Integrate front-end components with backend services and APIs
• Ensure cross-browser compatibility, performance, and scalability
• Implement and maintain automated tests (PHPUnit, TDD practices)
• Support e-commerce platforms and content-heavy websites
• Participate in Agile/Scrum ceremonies and contribute to continuous improvement
• Collaborate with DevOps on CI/CD pipelines and cloud deployments
• Support platform migration, data transformation, and system evolution
• Ensure compliance with web accessibility standards (WCAG)