Web Developer (React)Location: Barcelona, Spain (Hybrid: 8 days/month in-office)Contract: Permanent, Full-timeExperience Level: 3–5 YearsAre 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 ExcellenceThis 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 ProfileReact 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 requiredWhy 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.