Web Developer (React) Location: Barcelona, Spain (Hybrid: 8 days/month in-office) Contract: Permanent, Full-time Experience Level: 3–5 Years Are you a React expert with a passion for security and high-quality code? We are seeking a Web Developer to join a specialized team within the Barcelona IT Hub of a global retail leader. Your Role: Feature Development & Testing Excellence This role offers a unique balance of new feature development and high-level architectural refinement. Secure Development: Design and maintain our web application using React and TypeScript , adhering to the strictest standards for maintainable and secure code. Testing & Refactoring: A major focus of this role involves Playwright . You will refactor hundreds of existing tests to meet new criteria, as well as set up and execute end-to-end testing for every new feature. Clean Code & Architecture: Apply SOLID principles and clean code methodologies to optimize existing architectures and eliminate technical debt. Full Lifecycle: Participate in everything from requirements gathering and API integration to state management (Redux) and deployment. Collaboration: Engage in an agile (Scrum) environment with regular code reviews and open, informal communication. Your Profile React Specialist: 3+ years of professional experience in modern web development, specifically with React (Hooks, Context) and TypeScript . Testing Advocate: Proven experience in writing automated tests is essential. Deep knowledge of Playwright for End-to-End testing is a primary requirement. Quality Driven: Strong understanding of SOLID principles and experience working within large-scale corporate environments where "Clean Code" is a standard, not an option. Technical Stack: Proficient with HTML5/CSS3, ES6+, Git (Gitflow), and state management (Redux). Agile Mindset: Comfortable in a Scrum environment using Jira and Confluence. Communication: Fluent English is required Why Join Us? You will work on a high-stakes project where security is paramount, within the safety and stability of one of the world's largest retail groups. We offer a dynamic work environment in Barcelona that stands for progress, development, and a strong culture of mutual respect. Ready to build the future of secure communication? Apply today.