ux/ui designer for digital products

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.

• 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;
• Integrate user feedback and insights into product decisions and iterations;
• 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 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;
• Experience working in an international, multidisciplinary environment;
• For the senior level: proven end-to-end ownership, ability to influence beyond the immediate product area, and experience mentoring other designers;
• Nice to have: Interest or experience in designing for non-human or synthetic users, German.

• Contract employment;
• Flexible working time and possibility to combine home office and presential working;
• Intensive workday every Friday and during summer;
• Choice between two offices in Barcelona;
• 10% Discount on the entire MediaMarkt website;
• Flexible Pay “MediaFlex program”, including Ticket Restaurant and private health insurance with Adeslas;
• Training budget;
• English, Spanish and German language classes;
• Paid day off on your birthday;
• Free coffee and free fruit once a week at the Pier01 office;
• Meals available for less than €4 at the MediaMarkt Iberia HQ.