Senior Fullstack Software Engineer (React) - Barcelona - (Hybrid)
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Before you apply
LocationSpain, Barcelona
Work modehybrid
SenioritySenior
DepartmentSoftware Engineering
Company size501–1,000 people
PostedOct 6, 2026 · 4w ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Strong hands-on experience with React, JavaScript, and Next.js
Hands-on experience with Node.js
Experience working with CSS-in-JS solutions
Experience building, maintaining, or working with reusable component libraries and design systems
Hands-on experience using Storybook for developing, documenting, and testing UI components
Strong understanding of web accessibility principles and experience developing interfaces that meet WCAG 2.1 AA standards
Ability to design and implement scalable, maintainable, and high-quality frontend solutions across different types of products
Strong focus on writing clean, reusable, tested, and well-documented code
Ability to work closely with Product, Design, and Backend teams to deliver high-quality user experiences
Strong communication skills in English
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
AI Tooling Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work
Skills
React
JavaScript
Next.js
Node.js
CSS-in-JS
Storybook
WCAG 2.1 AA
HTML5
CSS3
Agile
Benefits
Health insurance
Retirement plan
Remote friendly
Training programs
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.