React Frontend Developer

Description

We are knowmad mood! We are a leading digital transformation company, constantly evolving and at the forefront of technology. We were founded to drive real change through innovation and sustainable development, with the mission of delivering value to our clients and empowering our talent. Comprising over 3\.000 creative, digital, and innovative individuals united by 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. Our core values—collaboration, innovation, commitment, fun, and trust—guide us toward excellence. **What do we value?** At least 4 years of experience as a React Developer, including: * Solid experience with **React**, **JavaScript** (vanilla and frameworks), and **TypeScript**. * Advanced knowledge of **HTML/CSS (SASS)**, **NodeJS**, and tools such as **Jest**, **RxJS**, **Webpack**, and **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 like **SOLID**. * Experience with **unit testing, integration testing, and code coverage**, as well as version control (**Git**) and **CI/CD** tools. * Strong 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 guarantee code quality and adherence to team standards. * **Technical Mentorship and Leadership**: Support fellow team members in adopting 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, experience and/or knowledge in the following areas would be highly valued:** * 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 development technologies and techniques. Hybrid work model: offices in **Madrid (Barajas)** Working hours: Mon–Thu 08:00–14:00 / 15:00–17:30; Fri 08:00–14:00 No summer reduced working hours *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