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

Barcelonavia Wizeline CareersPosted Oct 6, 2026
Match with my CV

Technical skills

ReactJavaScriptNext.jsHTML & CSSNode.js

Methods

Agile

Role signals

Web designUI/UX Design

About this role

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

Before you apply

  • 1Which parts of your CV prove experience with React, JavaScript, and Next.js?
  • 2Which recent work examples would make your application stronger for this role?
  • 3What details from the original source listing should you confirm before applying?

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