




Job Summary: We are seeking a React Developer with at least 4 years of experience to design, build, and optimize scalable web applications, lead projects, and mentor the team. Key Highlights: 1. Frontend development in React and architecture optimization. 2. Multidisciplinary collaboration to improve usability and accessibility. 3. Mentorship, technical leadership, and continuous application improvement. We are knowmad mood! We are a leading digital transformation company, continuously evolving and at the forefront of technology. We were founded to drive real change through innovation and sustainable development, with a mission to deliver value to our clients and empower our talent. Composed of more than 3\.000 creative, digital, and innovative individuals connected to a shared purpose and capable of building connections with people worldwide. A responsible, flexible team with high adaptability to our clients’ and the market’s needs—while consistently delivering value, vision, creativity, expertise, professionalism, and passion for technology in every project. The values guiding us toward excellence are collaboration, innovation, commitment, fun, and trust. **What do we value?** At least 4 years of experience as a React Developer in: * Solid experience with **React**, **JavaScript** (vanilla and frameworks), and **TypeScript**. * Advanced knowledge of **HTML / CSS (SASS)**, **NodeJS**, and tools such as **Jest, RxJS, Webpack, Styled\-components**. * Experience with **NoSQL databases**, such as MongoDB and Redis. * Ability to write **high-quality, scalable, and maintainable code**, following patterns like **DDD** or principles such as **SOLID**. * Experience with **unit testing, integration testing, and code coverage**, as well as version control (**Git**) and **CI/CD** tools. * Teamwork skills, effective communication, and willingness to **mentor** other developers. * Experience working with **agile methodologies**. **What would your responsibilities be?** * **React Frontend Development**: Design and build scalable web applications, optimizing frontend architecture and applying React best practices. * **Backend and Database Integration**: Collaborate with NodeJS and NoSQL databases to ensure proper service integration. * **Quality and Testing**: Implement unit and integration tests to ensure code quality and adherence to team standards. * **Mentorship and Technical Leadership**: Support fellow team members in development best practices and lead technical projects. * **Optimization and Continuous Improvement**: Analyze issues and propose efficient solutions to enhance our applications and user experience. * **Multidisciplinary Collaboration**: Work alongside other web teams to improve the **usability and accessibility** of our websites and applications. **Additionally, we highly value experience and/or knowledge in:** * Experience with complementary **React frameworks and libraries**. * Knowledge of **agile methodologies and DevOps**. * Experience in **web performance optimization** and accessibility best practices. * Skills in **software architecture** and application scalability. * Willingness to learn new web technologies and development techniques. Hybrid work model: offices in **Sevilla.** Working hours: Mon–Thu 08:00–14:00 / 15:00–17:30; Fri 08:00–14:00 No summer intensive schedule *At* ***knowmad mood*** *we are committed to equal opportunities and respect for diversity. We implement our Equality Plan and the principle of non-discrimination across all our recruitment processes.* Stay updated on our news by following us here \-\> knowmad mood


