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.

Qualifications
- 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.
- Exp

📌 Senior Frontend Developer (España)
🏢 SGS
📍 España