DESCRIPTION At BESIDE, we bet on the best talent within the technology and industrial sectors. We have a specialized Engineering Recruitment Unit to incorporate professionals into our clients’ teams. We work with a wide range of companies, enabling us to find the position that best matches your professional needs and interests. You will join some of the most innovative companies, working on cutting-edge projects in fields such as R\+D, automotive, pharma, machinery design, product development, etc. We are seeking a talented and detail-oriented **Frontend Developer with experience in React** to join the team of one of our clients in Barcelona. A company with extensive experience designing and developing software applications focused on managing and analyzing territorial information (Geographic Information Systems), across various business areas: transport, waste collection and cleaning, emergencies, environment, etc., serving both public and private sectors. The company has a large team, mostly composed of Computer Engineers, with highly qualified technical expertise. REQUIREMENTS **Technical requirements and minimum knowledge:** * University degree in Computer Engineering, Telecommunications or related field. * 4\+ years of relevant frontend development experience. * Demonstrable experience in React and TypeScript, and in designing component-based applications. * Solid knowledge of frontend architecture (components, state, hooks, optimization). * Experience with testing (unit, integration) and continuous integration (CI/CD). * Proficiency in CSS frameworks/preprocessors, responsive design, and web performance. * Proactive attitude, autonomy, ability to provide technical leadership, and communicate effectively with diverse stakeholders. **Desirable requirements:** * Backend experience (Node.js, Java or full-stack). * Knowledge of hexagonal architecture, DDD, micro-frontends. * Experience working with legacy code and refactoring it. * Experience with Docker, containers, and cloud infrastructure (AWS/GCP/Azure).