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Senior Frontend Developer

SGS

Madrid, SpainPosted 2 days agoFull-time

Job details

Company

SGS

Location

Madrid, Spain

Employment type

Full-time

Seniority

Mid level

Primary category

Software Development

Posted date

4 May 2026

Valid through

Job description

As a Senior Frontend Developer, you will play a key role in building high-quality, scalable, and user-centric web applications. You will take ownership of frontend architecture in collaboration with the UX/UI Technical Leader, ensuring a seamless and performant user experience across our products.

You will work closely with product managers, designers, and backend engineers to translate business requirements into elegant and efficient frontend solutions.

Responsibilities:

  • Design, build, and maintain scalable, high-performance frontend applications.
  • Own and evolve frontend architecture, ensuring maintainability and scalability.
  • Collaborate closely with UX/UI designers to deliver intuitive and visually consistent user experiences.
  • Translate product and design requirements into clean, efficient, and reusable code.
  • Promote best practices in frontend engineering (Clean Code, testing strategies, component design).
  • Implement and maintain design systems and reusable component libraries.
  • Optimize application performance (loading time, rendering, responsiveness).
  • Ensure cross-browser compatibility and responsiveness across devices.
  • Integrate frontend applications with REST APIs and/or GraphQL services.
  • Contribute to CI/CD pipelines and improve frontend delivery workflows.
  • Support and mentor other developers through code reviews and knowledge sharing.
  • Contribute to technical documentation and ensure shared understanding across the team.

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