Senior Frontend Engineer - Remote, Mentored Growth

ActioGlobal; Madrid; A distancia; EUR 32.000 - 52.000; Jornada completa

Descripción de la vacante

ActioGlobal is seeking a motivated frontend developer to help modernize our internal platform. You will work under senior developers to build a high-quality UI using Lit and Web Components, migrating features from the legacy system, and implementing new functionality where needed.

We value a clean-code mindset, a strong attention to UX, and the desire to grow in modern frontend architectures. Expect mentorship, code reviews, and collaborative product discussions in a fast-paced boutique agency.

Formación

• Graduate in Computer Science, Web Development, or intensive frontend bootcamp.
• Solid grasp of JavaScript (ES6+), HTML5, CSS3, and JS bundlers.
• Growth mindset with proactive feedback and code reviews.
• Attention to pixel-perfect design and UX.
• Git basics: clone, commit, push, pull.
• Spanish: proficient to work; English: read docs and communicate.
• UNIX / Bash fundamentals and terminal fluency.

Responsabilidades

• Active Learning and mentoring to master the stack (Lit, Web Components, modern JS).
• Component Development: Build reusable UI components from UX/UI designs and standards.
• Legacy Migration: Help migrate features to the new Web Components architecture.
• Code Quality: Write clean JavaScript (ESNext) following best practices.
• Automated Testing: Help create unit and integration tests for the frontend.
• Documentation: Keep the Storybook component library up to date.
• Bug Fixing: Identify and fix visual or logic issues under supervision.
• Collaboration: Participate in dailies and refinements with the team.

Conocimientos

JavaScript ES6+

HTML5

CSS3 (Flex/Grid)

Web Components

Lit

JS Bundlers

Git

Unix Bash

Spanish

English docs

Educación

Graduate in Computer Science or related field

Herramientas

Lit

Storybook

Webpack / Vite

Descripción del empleo

ActioGlobal is seeking a motivated frontend developer to help modernize our internal platform. You will work under senior developers to build a high-quality UI using Lit and Web Components, migrating features from the legacy system, and implementing new functionality where needed.

We value a clean-code mindset, a strong attention to UX, and the desire to grow in modern frontend architectures. Expect mentorship, code reviews, and collaborative product discussions in a fast-paced boutique agency.