Founding Design Engineer

What You’ll Do

• UI/UX Design and Product Experience Design and build polished, intuitive interfaces for Moritz’s AI-powered product
• Translate complex workflows into clear, user-friendly interaction patterns
• Create high-fidelity UI designs and rapidly bring them to life in code
• Define information architecture, navigation, and end-to-end user journeys
• Frontend Development and Design Systems
• Build out new features from zero to one
• Improve and iterate on existing functionality based on user feedback
• Develop and maintain Moritz’s design system and component library
• Optimize performance, accessibility, and UI reliability
• Adopt and master the latest AI tools to improve development efficiency

Product Strategy and Cross-Functional Collaboration

• Work closely with founders to shape product direction and UX strategy
• Participate in customer discovery to understand user pain points
• Prototype new ideas quickly and iterate based on feedback
• Collaborate with AI engineers to deliver cohesive experiences

What We’re Looking For

• 3–7 years of experience in product design, frontend engineering, or design engineering
• Strong UI/UX design skills with a portfolio of product work
• Proficiency in modern frontend technologies (we use Next.js and Typescript)
• Ability to move seamlessly between design tools and production code
• Deep attention to visual detail — spacing, typography, hierarchy, and motion
• Strong product intuition — you understand what makes interfaces feel simple and fast
• Excellent communication skills — you can explain design decisions clearly
• Experience with Figma or similar design tools
• Bonus Points
• Experience as a designer or engineer at an early-stage startup
• Familiarity with AI-native UI patterns (streaming, inline editing, copilots, etc.)
• Accessibility and performance optimization experience

Why Moritz

• Direct access to both founders from day one — shape the product experience from scratch
• Define the design culture of an AI-native company
• High degree of trust and autonomy
• Accelerated growth path: evolve into Head of Design or Product leadership
• Backed by Y Combinator; access to the best network in startups for hiring and partnerships