MediaMarktSaturn Technology is working to make Europe's number-one consumer electronics retailer the technology leader in its industry. Several hundred developers, UX designers and system architects work in agile teams to develop customer-focused technology solutions for more than 6 million customers every day in 13 countries.

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Own and drive the end-to-end UX and UI design process for selected digital products and features, from discovery to delivery

• Work in small, iterative steps using lightweight artefacts such as sketches and prototypes

• Validate assumptions quickly with users and data

• Collaborate with Product, Engineering, Data/AI and Business to understand user needs, define hypotheses and success metrics, and plan design work

• Design user journeys, flows and interactions across web, app and tools

• Create wireframes, interaction concepts and low- to high-fidelity prototypes aligned with the brand, design system and accessibility standards

• Use AI-assisted tools for ideation, variants, UX copy, localisation and research synthesis, and critically evaluate their output

• Design and refine AI- and data-enabled features with a focus on transparency, user control and trust

• Analyse quantitative data such as funnels, experiments and dashboards

• Plan and run user tests and other qualitative research

• Design for human and synthetic users, ensuring robust and well-defined interaction contracts

• Contribute to and evolve design systems, patterns and guidelines across platforms and teams

• Facilitate workshops, design reviews and alignment sessions





• Provide feedback and coaching to other designers

• Improve UX practices, processes and ways of working across teams.

Several years of experience in UX/UI design for digital products in a fast-paced, agile environment

• Bachelor's or Master's degree in Design, Human–Computer Interaction or a related field, or equivalent practical experience

• Strong portfolio demonstrating end-to-end product design, complex flows and interaction/service design, visual design skills, and measurable impact where possible;

Experience with Lean UX, hypothesis-driven iteration, close collaboration with Product and Engineering, and outcome-focused work

• Proficiency with modern design and prototyping tools such as Figma, Sketch, Adobe CC, Axure, Framer or Principle

• Strong data mindset and confidence in interpreting quantitative data, evaluating user tests, and turning insights into design decisions

• Solid AI literacy, including understanding of AI/ML product xgwbsxa experiences and UX implications such as trust, transparency and control

• Hands‐on experience using AI tools in the design workflow and judgment to know when human expertise must lead

• Strong communication skills in English

• For the senior level: proven end‐to‐end ownership, ability to influence beyond the immediate product area, and experience mentoring other designers

• Interest or experience in designing for non‐human or synthetic users, German.

Contract employment; Versátil working time and possibility to combine home office and presential working; Intensive workday every Friday and during summer; Flexible Pay "MediaFlex program", including Ticket Restaurant and private health insurance with Adeslas; Training budget; English, Spanish and German language classes; Free coffee and free fruit once a week at the Pier01 office;

📌 ux/ui designer for digital products (Barcelona)
🏢 MediaMarkt España
📍 Barcelona