Frontend Developer (Barcelona, ES, 08908)

Quintall; Barcelona; Presencial; EUR 42.000 - 64.000; Jornada completa

Descripción de la vacante

Quintall is seeking a Front-End Developer to shape the next generation of our web platform, delivering a robust, scalable UI across 55 countries. You will work with Modern.js, Module Federation, and a modern stack to maintain and evolve our enterprise-grade front end.

You will handle legacy React/Webpack and even jQuery-era code when needed, collaborate across disciplines, and contribute to high-quality code with tests and documentation in an agile, international team.

Formación

• Degree in Information Technology or a related field.
• 3+ years of relevant professional experience.
• Strong hands-on experience with React, state management, TypeScript, Sass, and Git (GitLab).
• Experience with Modern.js (or similar React meta-frameworks), OpenAPI, CI/CD concepts, Docker, and Module Federation is a plus.
• Good written and spoken English; Spanish, German, and Lithuanian appreciated but not required.

Responsabilidades

• Develop and maintain the front end of an enterprise-scale global eCommerce platform spanning 55+ countries.
• Build decentralized frontend modules within a micro-frontend architecture powered by Module Federation and Modern.js.
• Create and maintain tests and documentation; unit testing with Rstest and daily SonarQube usage.
• Coordinate development activities with stakeholders, Operations, and QA teams.
• Support and collaborate with a distributed agile team located in Spain, Germany, and Lithuania.

Conocimientos

React

State management

TypeScript

Sass

GitLab

Educación

Degree in Information Technology or related field

Herramientas

Modern.js

OpenAPI

Docker

Module Federation

Rstest

Playwright

SonarQube

Webpack

jQuery

Descripción del empleo

We are looking for a Front-End Developer who will have the opportunity to work with a modern technology stack, including Modern.js, Module Federation, Sass, TypeScript, OpenAPI, Nx, pnpm, Docker, Rstest, Playwright, within an agile and technology-driven environment.

As the project is currently undergoing a transition phase, you should be prepared to work with legacy code when required. This may involve maintaining and enhancing implementations ranging from older React/Webpack solutions to code originating from the jQuery era. You will collaborate closely with colleagues across different disciplines, contributing to an innovative, cross-functional, and highly technical environment.

Role Description

• Develop and maintain the front end of our continuously evolving, enterprise-scale global eCommerce platform, supporting our online catalog and processing customer transactions in more than 55 countries worldwide.
• Build and maintain decentralized frontend modules within a micro-frontend architecture powered by Module Federation and Modern.js.
• Create and maintain tests and documentation to ensure high code quality. This includes unit testing with Rstest and contributing to end-to-end quality assurance through the daily use of SonarQube.
• Coordinate and align development activities with various stakeholders, a dedicated Operations team, and a QA team.
• Support and collaborate with a distributed, cross-border agile team located in Spain, Germany, and Lithuania.

Requirements

• Degree in Information Technology or a related field.
• 3+ years of relevant professional experience.
• Strong hands-on experience with React, state management, TypeScript, Sass, and Git (GitLab).
• Experience with Modern.js (or similar React meta-frameworks), OpenAPI, fundamental CI/CD concepts, Docker, and Module Federation is considered a plus.
• Commitment to delivering high-quality code and exceptional user experiences.
• Ability to work effectively within an international and diverse team, supported by strong communication skills.
• Independent, structured, and proactive approach to work, combined with a holistic mindset.
• Good written and spoken English skills, as daily communication will be conducted in English, including technical discussions and the ability to articulate complex topics clearly.
• Spanish, German, and Lithuanian language skills are appreciated but not required.