Product Designer

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
- Own the design of core product areas end-to-end, in close collaboration with Product Engineering and our founders
- Talk to customers regularly and turn insights into design decisions
- Turn complex functionality into simple and easy to use experiences
- Shape and scale our product design system
- Prototype fast with AI tools (Cursor, v0, Claude and others) to get from idea to testable flow in hours, not weeks
- Use analytics to measure what works, and iterate Who we're looking for
- At least 5 years of experience in product design, ideally in a small, fast-moving product team (portfolio required)
- Exceptional design craft: interaction detail, hierarchy, typography and motion
- High autonomy: you take ownership without needing much structure
- Experience with design systems and shipping features end-to-end
- Product and analytics thinking: you don't design from your gut, you measure
- AI-first mindset
- Fluent English (any additional language is a plus, especially German (DACH is our most important market)

What we offer
- Competitive

salary:
€65,000–€90,000
- Equity
- you're building this, so you should own a piece of it.
- Food & drinks
- lunch and dinner are on us
- Relocation bonus (if you still need to move)
- Equipment of your choice
- whatever makes you happy. Hiring process 1. 15 min intro call 2. Case study 3. Skill interview with Moritz 4. Culture call with the founders