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 .