Senior Fullstack Software Engineer (React) - Barcelona - (Hybrid)

We are: Wizeline, a global AI-centric technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact. With the right people and the right ideas, there’s no limit to what we can achieve Are you a fit? Sounds awesome, right? Now, let’s make sure you’re a good fit for the role: Must-have Skills To be successful in this role, you must have: Frontend: Strong hands-on experience with React, JavaScript, and Next.js . Backend: Hands-on experience with Node.js Styling: Experience working with CSS-in-JS solutions. Component Libraries & Design Systems: Experience building, maintaining, or working with reusable component libraries and design systems. Storybook: Hands-on experience using Storybook for developing, documenting, and testing UI components. Accessibility: Strong understanding of web accessibility principles and experience developing interfaces that meet WCAG 2.1 AA standards. Frontend Architecture: Ability to design and implement scalable, maintainable, and high-quality frontend solutions across different types of products. Code Quality: Strong focus on writing clean, reusable, tested, and well-documented code. Collaboration: Ability to work closely with Product, Design, and Backend teams to deliver high-quality user experiences. Communication: Strong communication skills in English. Nice-to-have Skills BS/MS in Computer Science, Engineering, or a related subject. Experience working directly with clients or stakeholders. Hands-on experience working in an Agile environment. Strong understanding of modern web standards, including HTML5 and CSS3. Experience with responsive design and cross-browser development. Strong understanding of UI/UX principles and user-centered design. Experience contributing to or establishing frontend design systems and component standards . Experience with frontend testing frameworks and practices. Experience optimizing frontend applications for performance, scalability, and maintainability . Experience working across different products, architectures, and technology stacks. Nice-to-have AI Tooling Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, coding, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows. What we offer: Competitive compensation & total rewards Health benefits & wellness programs Savings & retirement plans Global mobility opportunities Flexible work policy and remote-friendly approach Happy hours, gaming tournaments, sports activities & more Continuous learning & training programs with WizeAcademy Free certifications in cloud technologies and coding languages Find out more about our culture here .