About fonio
We grew from $1M to $10M ARR in under 12 months and now serve 10,000+ customers. fonio is Europe's market leader for AI phone agents for SMBs. Our AI answers every call automatically, but voice is just the beginning: we're building the AI operating system for small businesses.
We move fast, take ownership, give direct feedback, and avoid politics and unnecessary meetings. Join one of Europe's fastest-growing companies.
Your role
You shape how fonio feels to use for thousands of businesses. You own core areas of our product end-to-end: from talking to customers, to designing the flow, to shipping it with our engineers.
You're a hands-on designer with high craft and a lot of autonomy. You don't wait for perfect specs. You find the problem, design the solution and move fast.
What to expect
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Own the design of core product areas end-to-end, in close collaboration with Product Engineering and our founders
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Talk to customers regularly and turn insights into design decisions
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Make complex functionality simple: solve complexity instead of designing it visibly
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Shape and scale our product design system
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Prototype fast with AI tools (Cursor, v0, Claude and others) to get from idea to testable flow in hours, not weeks
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Use analytics to measure what works, and iterate
Who we're looking for
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Several years of experience as a product designer, ideally in a small, fast-moving product team (portfolio required)
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Exceptional design craft: interaction detail, hierarchy, typography and motion
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High autonomy: you take ownership without needing much structure
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Experience with design systems and shipping features end-to-end
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Product and analytics thinking: you don't design from your gut, you measure
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AI-first mindset
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Fluent English (any additional language is a plus, especially German (DACH is our most important market)
What we offer
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Competitive salary: €65,000–€90,000
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Equity - you're building this, so you should own a piece of it.
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Food & drinks - lunch and dinner are on us
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Relocation bonus (if you still need to move)
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Equipment of your choice - whatever makes you happy.
Hiring process
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15 min intro call
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Case study
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Skill interview with Moritz
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Culture call with the founders
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