Job Description

Si desea saber un poco más sobre esta posibilidad, o está considerando presentar su candidatura, por favor, lea la siguiente información del puesto.

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

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- 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.

Qualifications

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- 5+ years of experience developing modern frontend applications.

- Strong proficiency in JavaScript and TypeScript.

- Solid experience with at least one major framework: Vue, Angular, or React.

- Strong knowledge of HTML, CSS, and preprocessors (SCSS, LESS).

- Experience building scalable frontend architectures and component-based systems.

- Hands‑on experience integrating with REST APIs and/or GraphQL.

- Strong understanding of frontend performance optimization techniques.

- Experience with state management solutions (e.g., Vuex, Redux, NgRx, or similar).

- Familiarity with modern testing practices (unit, integration, end‑to‑end).

- Experience with Git and collaborative workflows.

- Experience working in Agile environments.

- Strong communication skills and fluency in English.

Preferred Skills

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- Experience with design systems and UI component libraries.

- Knowledge of accessibility standards (WCAG) and best practices.

- Familiarity with SSR/SSG frameworks (e.g., Next.js, Nuxt).

- Experience with modern build tools (Vite, Webpack, etc.).

- Familiarity with cloud environments and frontend deployment strategies.

- Experience with CI/CD tools (Azure DevOps, GitHub Actions, etc.).

- Understanding of web security best practices (CORS, CSP, XSS prevention).

- Exposure to Domain-Driven Design (DDD) concepts.

Benefits

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- Join a globally recognized and stable company, a leader in the Testing, Inspection, and Certification (TIC) industry.

- Enjoy a flexible schedule and a hybrid work model.

- Access continuous learning opportunities through SGS University and Campus. xcskxlj

- Collaborate in a multinational environment with colleagues from various continents.

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📌 Senior Frontend Developer (Madrid)
🏢 SGS
📍 Madrid