Senior Frontend Engineer: Modern UI & Web Components

ActioGlobal; Barcelona; Presencial; EUR 42.000 - 62.000; Jornada completa

Descripción de la vacante

ActioGlobal is expanding its frontend team in Spain and seeks a motivated frontend engineer to contribute to a modern UI built with Lit and Web Components. Under senior developers, you will migrate features from a legacy system and contribute new functionality, emphasizing clean code and test coverage.

You will learn our stack through hands-on mentoring, participate in design reviews, and help maintain a robust component library while delivering pixel-perfect UI that aligns with UX/UI standards.

Formación

• Graduated in Computer Science or completed a frontend-focused program.
• Solid grasp of JavaScript (ES6+), HTML5, and CSS3.
• Growth mindset, proactive and open to code reviews.
• Attention to detail for pixel‑perfect UI/UX.
• Comfort with Spanish and English for reading docs and internal communication.
• Familiarity with Unix/Bash basics.

Responsabilidades

• Build reusable UI components based on UX/UI designs using Lit/Web Components.
• Migrate features from legacy system to the new architecture.
• Write clean, maintainable JavaScript (ESNext) and follow best practices.
• Develop unit and integration tests to ensure frontend robustness.
• Keep the Storybook component library up to date and well-documented.
• Participate in daily dailies and refinements, contributing fresh technical perspectives.

Conocimientos

JavaScript (ES6+)

HTML5

CSS3

Lit

Web Components

Unit & Integration Testing

Git

Unix/Bash

React/Vue/Angular

TypeScript

Educación

Bachelor's degree in Computer Science

Web Development vocational training

Frontend bootcamp/ intensive program

Herramientas

Storybook

Descripción del empleo

ActioGlobal is expanding its frontend team in Spain and seeks a motivated frontend engineer to contribute to a modern UI built with Lit and Web Components. Under senior developers, you will migrate features from a legacy system and contribute new functionality, emphasizing clean code and test coverage.

You will learn our stack through hands-on mentoring, participate in design reviews, and help maintain a robust component library while delivering pixel-perfect UI that aligns with UX/UI standards.