Job Summary: Stefanini is seeking a Frontend Developer with React experience to maintain and optimize applications, work using agile methodologies, and contribute to an innovative future. Key Highlights: 1. Application development and maintenance in React, and frontend optimization. 2. Collaboration with the technical team using agile methodologies. 3. Co-creation of a better future, valuing innovation and continuous learning. Join Stefanini! At Stefanini, we are more than 30,000 geniuses connected from 41 countries, doing what they love and co-creating a better future. **Responsibilities and Duties** * Development and maintenance of applications in **React**. * Use of **React Query (TanStack Query)** for advanced data management. * Management of global state with **Context API**. * Creation of **tests** using **Vitest**, with a **TDD** approach. * Optimization of rendering, performance, and frontend architectural patterns. * Development of interfaces using **Tailwind CSS**. * Collaboration with the technical team using agile methodologies. **Required Knowledge (Technology)** ---------------------------------------------- * Advanced development in **React**. * Experience with: * **ViteTest (Vitest)** * **TanStack Query / React Query** * **TDD** * Knowledge of **Tailwind CSS**. * Desired knowledge of **Oracle SOA**. **Requirements and Qualifications** * **+5 years of experience** in this role. * **Agile methodology**. * **Advanced English (mandatory)**. * Work mode: **100% remote from Spain**. **Additional Information** Are you looking for a place where your ideas shine? With over 38 years of experience and a global presence, at Stefanini we transform tomorrow—together. Here, every action matters and every idea can make a difference. Join a team that values innovation, respect, and commitment. If you are a disruptive individual, committed to continuous learning, and innovation is in your DNA, then we’re exactly what you’re looking for. Come and let’s build a better future—together!