KeyStep

Senior Product Designer

SumUp
Berlin, Germany
6 days ago
full-time

Skills & Technologies

RoadmapProduct DesignInteraction DesignPrototypingUser ResearchDesign SystemAIAttention to DetailResearch

Job Description

About the team

As a Senior Product Designer, you will own and shape key parts of our product experience, designing intuitive, scalable, and high-quality solutions across multiple platforms. You will work hands-on across the end-to-end design process, partnering closely with Product and Engineering to define problems, explore solutions, and deliver meaningful outcomes. In this role, you will actively shape product direction, align teams around clear decisions, and turn complex challenges into high-quality experiences that drive real impact for users and the business.

What you'll do

Own end-to-end product design within your domain, from discovery through delivery of user-facing experiences

Drive discovery by identifying user problems, defining opportunities, and shaping hypotheses in close collaboration with Product and Engineering

Design intuitive, high-quality experiences that drive key outcomes such as activation, engagement, and retention

Explore and validate solutions through prototyping & user research

Use data and insights to inform decisions and continuously improve the product

Contribute to and evolve our design system, ensuring coherence across the ecosystem

Balance immediate execution with ongoing discovery, helping shape the product roadmap and what comes next

What makes you great for this role

Deep knowledge of human interface design best practices and can apply them to create intuitive, inclusive, and consistent experiences across different devices, platforms, and user contexts.

Strong visual and interaction design skills, crafting clear hierarchies and polished interfaces with a high attention to detail.

Execution across all phases of design work: contributing to research and discovery, defining strong conceptual directions and rapidly exploring and validating ideas through prototyping (including AI-assisted methods)

Strong product thinking by understanding user needs, business goals, and technical constraints, and using that context to de

Company & Role Analysis

JobSeeker+
Likely perks
Private MedicalPension25+ Days HolidayStock OptionsLearning BudgetFlexible Hours
Culture & working style

Neutral 2–4 sentence summary of what working at this company is like, drawn from public reviews and press coverage. Tone, collaboration style, pace, benefits highlights.

Market salary range

£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)

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