- Employment
- Internship
- Seniority
- Intern
- Compensation
- €800/month
- Department
- IT & Technology Systems
- Posted
- Nov 13, 2026
About LuxExperience
LuxExperience is a global luxury e-commerce group whose portfolio includes Mytheresa, NET-A-PORTER and MR PORTER, bringing together distinctive retail identities and deep expertise in serving discerning customers. At the intersection of fashion, technology and personalised service, the group encompasses professional disciplines ranging from buying and editorial to digital product, data, logistics and client relations. Its employer proposition lies in the combination of specialist luxury knowledge and the operational complexity of international online retail. For professionals drawn to a digitally driven luxury landscape, LuxExperience offers a setting where commercial judgement, creative sensitivity and service excellence meet.
LuxExperience is seeking an Engineering Intern to support its Marketing Technology team in Barcelona. The intern will build and maintain custom web tools, develop React interfaces, troubleshoot integrations, and support AWS-related work. The role is full-time and on-site, with a monthly gross salary of €800.
Role & Responsibilities
- Build, test, and maintain custom JavaScript and TypeScript libraries, lightweight SDKs, and web components for marketing technology operations.
- Develop and optimize web interfaces and interactive features using React and JavaScript ES6+.
- Inspect network payloads, identify runtime errors, and fix broken scripts or integration bugs across web platforms.
- Assist with exploring, developing, and deploying serverless scripts, webhooks, and microservices, with a focus on AWS architecture.
- Write maintainable code, manage version control using Git, and produce technical documentation for internal developer reference.
Qualifications
- Strong fundamentals in JavaScript ES6+ and hands-on experience building applications with React.
- A strong inclination to build custom libraries, utilities, or personal projects from scratch rather than relying solely on third-party libraries.
- Ability to systematically troubleshoot frontend code, inspect browser console logs and network requests, and resolve script execution issues.
- Solid understanding of DOM manipulation, asynchronous JavaScript, including Promises and Async/Await, REST APIs, JSON data structures, and Git.
- Experience with Google Tag Manager (GTM) or other Tag Management Systems (TMS) is a plus.
- Exposure to AWS microservices, serverless functions such as Lambda, or cloud storage and hosting is a plus.
- Basic understanding of web tracking architecture, including tracking pixels, cookies, or event payloads, is a plus.
- Experience with TypeScript, bundling tools such as Webpack or Vite, or package publishing with NPM is a plus.
Skills
Workplace
The role is situated in Barcelona, Catalonia, Spain.
Explore jobs in Catalonia or in Spain.
Compensation
The base compensation for this position is EUR 800 per month.
Benefits
Mobile office for up to 20% of contracted hours, where the role permits; individual mental health and well-being support; Urban Sports Club; corporate benefits platform.
Culture
LuxExperience brings the exacting standards of luxury into the fast-moving world of digital commerce, placing attention to detail, customer understanding and innovation at the heart of its working culture. Its professional environment brings together creative, commercial and technological expertise, with a shared focus on delivering a refined, highly personalised customer experience.
About Cerulean
Cerulean is the definitive career portal for the global luxury industry. We match exceptional professionals with exclusive opportunities at the world's most prestigious brands. From haute couture and fine watchmaking to prestige beauty, hospitality, and boutique retail, Cerulean centralises luxury employment to help you find the career for which you were destined.