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 integral 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.

📌 Frontend Developer (Creative Developer) (Barcelona)
🏢 Festo
📍 Barcelona