Build modern applications that make an impact.

We're looking for an experienced Senior Frontend Developer to take ownership of the frontend development of a large-scale enterprise application. You'll play a key role in designing and delivering intuitive, high-performance user experiences using the latest frontend technologies while helping shape the future of a scalable design system.

Working as part of a collaborative Agile team, you'll partner with designers, backend engineers and product teams to build robust, maintainable solutions used across a growing digital platform.

What You'll Be Doing

- Lead the development of scalable, high-performance web applications using Next.Js.
- Build and evolve reusable UI components within a modern design system.
- Create responsive, accessible interfaces using React and Tailwind CSS.
- Develop and document components using Storybook.
- Collaborate with backend developers to integrate REST APIs and deliver seamless user experiences.
- Optimise application performance, maintainability and code quality.
- Write unit and integration tests using Vitest.
- Participate in Agile ceremonies and contribute to technical discussions and architecture decisions.




- Troubleshoot complex frontend challenges and champion best practices.

What We're Looking For
- 6+ years' commercial experience with React and Next.Js.
- Strong knowledge of frontend architecture and component-driven development.
- Experience with Storybook, Tailwind CSS and modern frontend best practices.
- Solid understanding of REST API integration.
- Experience with frontend testing frameworks such as Vitest.
- Strong Git workflow experience and Agile delivery experience.
- Excellent communication skills and a collaborative mindset.

Nice to Have
- CI/CD experience.
- Docker or containerisation knowledge.
- Experience with Playwright or Cypress.
- Familiarity with monorepos.
- Exposure to AWS or serverless environments.
- Experience with data visualisation libraries such as Chart.Js, ECharts or D3.

Why Apply?
- Work on an enterprise-scale platform using a modern technology stack.
- Influence frontend architecture and technical direction.
- Join a collaborative engineering team focused on quality and innovation.
- Opportunity to work with cutting-edge technologies in a fast-paced environment.

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📌 Senior front end engineer (Barcelona)
🏢 SustainRecruit Talent
📍 Barcelona