Senior Product Design Engineer

WHAT YOU WILL OWN AND DELIVER

• Customer Surfaces: Own the end-to-end design and UX strategy across web, iOS, and Android for all core journey stages: homepage, search & browse, product pages, basket, slot selection, checkout, and order tracking.
• Design System as a Product: Own component architecture, design tokens, patterns, and documentation, ensuring our coding agents have precise design guidance to generate accurate interfaces.
• AI Experience Design: Define the interaction patterns for Maia (our AI shopping assistant), governing when it intervenes, how it presents information, and how it hands over to human support.
• Experimentation & Analysis: Drive hypotheses, prototype rapidly, and evaluate A/B test results objectively — scaling successful experiments and sunsetting features that miss target performance.
• Direct User Research: Conduct qualitative interviews, usability tests, and field research directly with customers to continuously uncover friction points.
• Cross-Functional Partnership: Collaborate closely with the Product Owner, Engineering Manager, Tech Lead, and your peer product designer, while providing design input to Commercial, Marketing, and Operations.

WHAT WE ARE LOOKING FOR

• 5+ years of experience designing consumer-facing digital products with a strong portfolio of shipped work across both web and native mobile (iOS and Android).
• Advanced Figma & Design System expertise: Deep, hands-on experience building, scaling, and architecting multi-platform design systems at the token and component level.
• Data-fluent mindset: Ability to read and rigorously interpret A/B testing data, distinguishing genuine impact from vanity metrics.
• Fluency with AI tooling: Practical experience integrating AI tools into modern design, prototyping, and design system workflows, along with a clear view of where conversational AI adds real interface value.
• User research expertise: Demonstrated experience designing, running, and analyzing qualitative usability sessions directly with end users.
• Strong product reasoning: Excellent communication skills in English (C1 level or above), with the ability to articulate the strategic and behavioral rationale behind design decisions.

Nice-to-haves:

• Experience designing production-grade AI or assistant-driven interfaces.
• Experience contributing directly to code at the component or token level.
• Background in e-commerce, quick-commerce, online grocery, or last-mile delivery.
• First-hand familiarity with how German customers shop.
• Fluency in German or Czech.

WHAT’S IN IT FOR YOU

• Fair pay, transparent, stable compensation A strong fixed salary with clear rules. No bonus politics. Great work is rewarded openly and fairly.
• Good food options, fresh, every day Enjoy subsidised meals/fresh food options in the office and regular refreshments like drinks, fruit, and snacks that keep you energized.
• Life beyond work, hybrid work & real flexibility Three days in the office and the rest where it works best for you. Take time off when you need it with paid vacation days above statutory and flexible scheduling.
• Grow with Knuspr every day - we move fast, and so can you. Learn, experiment, and take ownership from day one. Every challenge is a chance to grow.
• Recognition & community - Your impact is seen and appreciated. You can celebrate colleagues through Bonusly peer-recognition credits and feel supported by a team that works hard and wins together.
• Health & wellbeing - Access to our UNIQA private insurance option and supportive wellbeing culture, keeping you healthy inside and outside of work.
• Mobility & convenience - Company car available for selected management-level roles and fuel support for regular WH travel.
• Premium membership - Free Knuspr Premium membership with exclusive benefits.
• Referral rewards - Recommend great people and get rewarded through our group referral program.
• Team spirit - We organize team events, celebrations, and moments to connect because work is better when we win together.

#LI-ML1 #Knuspr

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Quelle: Statistisches Bundesamt (Destatis), Tabelle; dl-de/by-2-0; eigene Berechnung