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Senior Frontend Developer at SGS | Madrid

SGSMadridNew
On-site Full-time

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Experience Level

Mid to Senior

Qualifications

5+ years of experience in developing modern frontend applications. Strong proficiency in JavaScript and TypeScript. Extensive experience with at least one major framework: Vue, Angular, or React. Solid understanding of HTML, CSS, and preprocessors (SCSS, LESS). Experience building scalable frontend architectures and component-based systems. Hands-on experience with REST APIs and/or GraphQL integrations. Strong grasp of frontend performance optimization techniques. Experience with state management solutions (e.g., Vuex, Redux, NgRx, or similar). Familiarity with modern testing methodologies (unit, integration, end-to-end). Proficient in Git and collaborative development workflows. Experience in Agile environments. Excellent communication skills and fluency in English.

About the job

Join our team as a Senior Frontend Developer at SGS, where you will be integral in creating innovative, scalable, and user-friendly web applications. You will collaborate closely with the UX/UI Technical Leader to establish and refine our frontend architecture, guaranteeing an exceptional user experience across our suite of products.

Your role will involve working hand-in-hand with product managers, designers, and backend engineers to convert business needs into clean and efficient frontend solutions.

Key Responsibilities:

  • Design, develop, and maintain scalable, high-performance frontend applications.
  • Take ownership of the frontend architecture, enhancing maintainability and scalability.
  • Work closely with UX/UI designers to create intuitive and visually appealing user experiences.
  • Translate product and design specifications into clean, efficient, and reusable code.
  • Advocate for best practices in frontend engineering, including Clean Code principles, testing strategies, and component design.
  • Develop and maintain design systems and reusable component libraries.
  • Optimize application performance, including load times, rendering efficiency, and responsiveness.
  • Ensure cross-browser compatibility and a responsive design across various devices.
  • Integrate frontend applications with REST APIs and/or GraphQL services.
  • Contribute to CI/CD pipelines and enhance frontend delivery processes.
  • Provide support and mentorship to other developers through code reviews and knowledge sharing.
  • Contribute to technical documentation to ensure a shared understanding within the team.

About SGS

SGS is the world's foremost Testing, Inspection, and Certification company, with a network of over 2,500 laboratories and business facilities across 115 countries, supported by more than 100,000 dedicated professionals. With a legacy of over 145 years of service excellence, we combine the precision and accuracy that characterize Swiss companies to assist organizations in achieving the highest standards of quality, compliance, and sustainability. Our brand promise – “when you need to be sure” – highlights our commitment to trust, integrity, and reliability, empowering businesses to thrive with confidence. We proudly deliver our expert services under the SGS name and a portfolio of trusted specialized brands, including Applied Technical Services, Brightsight, and Bluesign.

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