Senior UX Engineer / Front-End Engineer

European Tech Recruit; A distancia; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A leading tech recruitment firm is seeking a Senior Frontend Engineer for a remote role in Spain. The ideal candidate has over 6 years of experience in frontend development, including 4 years using React and TypeScript. Responsibilities include owning features, advocating for UX, and contributing to design systems to ensure high-quality user experiences. Applicants must have the right to work in Spain.

Formación

• 6+ years of professional frontend development experience.
• At least 4+ years using React and TypeScript in large-scale applications.
• Deep knowledge of browser internals, runtime behavior, and network performance.

Responsabilidades

• Own features and advocate for UX.
• Contribute to design systems and component architecture.
• Ensure the frontend remains fast, accessible, resilient, and scalable.

Conocimientos

JavaScript

HTML

CSS

React

TypeScript

GraphQL

Apollo Client

Performance Improvement

Descripción del empleo

Senior Frontend Engineer - Spain - Remote

Our client is looking for a Senior Frontend Engineer who is more than a builder, you’re a feature owner, a UX advocate, and someone who thrives on delivering meaningful, high-quality user experiences. You’ll contribute to our design system, elevate our component architecture, and ensure the frontend remains fast, accessible, resilient, and scalable.

Performance Leadership

Data & State Strategy

Accessibility & UX

Code Quality & Mentorship

6+ years of professional frontend development experience, with at least 4+ years using React and TypeScript in large-scale applications. Deep knowledge of browser internals, runtime behavior, and network performance. Demonstrated ability to diagnose bottlenecks and deliver substantial performance improvements under demanding conditions.

• Expert-level understanding of JavaScript, HTML, CSS, and core browser APIs. You can write efficient, high-quality code without frameworks and understand how frameworks like React operate under the hood.
• Advanced knowledge of GraphQL, Apollo Client, and caching patterns. Strong collaboration skills with Product Managers and UX Designers. You can translate product goals and user insights into strong technical solutions that elevate the user experience.

In accordance with local employment laws, applicants must have current, valid authorisation to work at the time of application.