Senior Product Designer, Core UX & Mobile

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Product Designer, Core UX & Mobile based in Spain. As a Senior Product Designer, you will play a strategic role in shaping the foundational user experience across web and mobile platforms. This position focuses on creating scalable UX frameworks, defining reusable interaction patterns, and influencing the long-term evolution of a complex product ecosystem. Working at the intersection of design, product, and engineering, you will collaborate with multiple teams to ensure consistency, usability, and accessibility across all experiences. You will have the opportunity to drive information architecture initiatives, champion user-centered design principles, and establish design foundations that empower other teams to build efficiently. This role is ideal for an experienced designer who enjoys solving complex problems, influencing cross-functional stakeholders, and creating elegant experiences at scale.