Job Summary: We are seeking a Senior Frontend Developer with a 100% technical profile to design, develop, and evolve high-level web interfaces, contributing architectural vision within a solid corporate group. Key Highlights: 1. Active participation in frontend and backend architecture decisions. 2. Development of strategic digital products in a demanding environment. 3. Joining a solid and growing corporate group. At **Grupo Orenes**, a corporate group with over 50 years of history and international presence, technology is a key enabler for developing innovative solutions in the leisure and entertainment sector. Behind every digital product lie technical decisions that make the difference in performance, scalability, and user experience. Therefore, we seek to hire a **Senior Frontend Developer**, with a **100% technical profile**, specialized in frontend development and capable of providing sound judgment and architectural vision when building modern, complex web interfaces. **Position Mission:** Design, develop, and evolve high-technical-level web interfaces, ensuring quality, scalability, and an excellent user experience, while actively participating in architecture decisions impacting both frontend and its integration with backend. **Main Responsibilities:** * Development and maintenance of **complex web applications** using React in production environments. * Participation in **frontend architecture decisions**, contributing to continuous improvement of the technological ecosystem. * Design of modern web interfaces using **HTML5 and CSS3**, with attention to usability, accessibility, and user experience. * Efficient integration of frontend with **REST and/or GraphQL APIs**. * State management and definition of robust frontend architectures in React. * Collaboration with backend teams to ensure proper communication across layers. * Application of good development practices: **clean, maintainable, and scalable code**. * Implementation and maintenance of **frontend tests**, both unit and end-to-end. * Use and configuration of **build and bundling tools**. **Requirements and Technical Skills:** * Degree in **Computer Engineering** or related field. * Proven, solid experience as a **Senior Frontend Engineer** in real production environments. * Advanced proficiency in **React** for developing complex web applications. * Regular use of **TypeScript** and modern JavaScript. * Demonstrable experience in **CSS / SCSS layout**. * Knowledge of **frontend architecture and state management** in React. * Experience in **integration with REST APIs** and/or handling of **GraphQL**. * Knowledge of **frontend testing** (unit and/or end-to-end). * Experience with **build and bundling tools**. * Basic knowledge of **Node.js**, and of **Docker and containerized environments**. * Autonomy, technical judgment, and **results orientation**. **What We Offer:** * Joining a **solid and growing corporate group**, with long-term technological projects. * **Indefinite contract** and professional stability. * Participation in the development of **strategic digital products** within the group. * A technically demanding environment, offering space to contribute judgment and make architecture decisions. * Work within a qualified team, with a culture oriented toward quality and continuous improvement. * Hybrid remote work model, with one day per week in the office. * Intensive work schedule on Fridays and during summer. At Grupo Orenes, we believe in people for who they are and what they contribute. We value talent beyond age, gender, nationality, or any other condition. Therefore, we also positively consider applications from candidates holding a disability certificate, because diversity makes us stronger as a team. We understand that business success goes hand-in-hand with positive societal impact. Since our inception, Grupo Orenes has worked to generate stable, high-quality employment, optimize resources, and act responsibly—thus contributing to social, economic, and environmental development. We aim to be an active part of the change toward a fairer and more innovative society.