Senior Frontend Engineer — Modern UI & Web Components

ActioGlobal®; Barcelona; On-site; EUR 42,000 - 62,000; Full time

Job summary

ActioGlobal is seeking a frontend developer to modernize our internal platform. You will build UI with Lit and Web Components, migrating features from the legacy system while creating new, high-quality components.

You will learn under senior developers and contribute to a clean, scalable frontend architecture. Responsibilities include writing ESNext JavaScript, developing reusable UI components, and helping extend our Storybook library.

Qualifications

• Graduate (Computer Science) or equivalent.
• Proficient in modern frontend technologies and architectures.
• Experience with Lit or Web Components is a plus.

Responsibilities

• Build modern UI using Lit and Web Components, migrating features from legacy system.
• Implement new features with modern frontend architectures.
• Write clean JavaScript (ESNext) following best practices.
• Create unit and integration tests for frontend.
• Keep Storybook up to date for component library.
• Collaborate in daily standups and refinements.

Skills

JavaScript ES6+

HTML5

CSS3

Git

Bash/Unix

Pixel-perfect design

Attention to detail

Growth mindset

English reading

Spanish language

Education

Graduate (Computer Science)

Web Development vocational training

Frontend Bootcamp

Tools

Lit

Web Components

React

Vue

Angular

Storybook

TypeScript

Job description

ActioGlobal is seeking a frontend developer to modernize our internal platform. You will build UI with Lit and Web Components, migrating features from the legacy system while creating new, high-quality components.

You will learn under senior developers and contribute to a clean, scalable frontend architecture. Responsibilities include writing ESNext JavaScript, developing reusable UI components, and helping extend our Storybook library.