Senior Product Designer

SumUp | Product & Design | London, United Kingdom

Competitive salary · Office-first

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About the team

The Consumer Bank squad sits at the heart of one of SumUp's most exciting growth bets — scaling SumUp Pay, our consumer fintech product, to millions of active users across Europe. The team owns end-to-end UX and product design across the full user lifecycle, from onboarding and activation through to engagement features like Spaces, Open Banking insights, and budget tracking. This is a high-craft, high-autonomy environment where design isn't just execution — it's central to defining the problems worth solving, and your work will directly shape adoption, retention, and the future of SumUp's consumer offering.

What you'll do

Own end-to-end product design within the Consumer Bank squad, from discovery through to delivery, across the SumUp Pay mobile experience

Lead discovery by identifying user problems, framing opportunities, and shaping hypotheses alongside Product and Engineering

Design intuitive, high-quality mobile experiences in Figma that drive key metrics including activation, engagement, and retention

Validate solutions through prototyping, user research, and usability testing, using both qualitative and quantitative data to iterate

Contribute to the design system and help maintain consistency and quality across the product as SumUp scales its consumer offering

You'll be great for this role if…

Proven experience as a Senior Product Designer working on mobile-first consumer products, with a portfolio demonstrating end-to-end UX design and measurable impact

Strong discovery skills, including problem framing, hypothesis definition, user research, and insight synthesis

Excellent UX, interaction, and information design skills, with a high bar for quality and usability

Comfort working autonomously within cross-functional teams alongside Product Managers and Engineers, with solid understanding of technical constraints

Abilit