Setero

Setero is an AI platform for conversational skill building. Users hold real conversations by voice with AI personas that play customers, prospects and stakeholders, and come away with a scored evaluation of what worked and what didn't. Across Germany and Europe, mid-market and enterprise B2B teams use it to onboard new hires and keep experienced sellers sharp. But the product had outgrown its interface, and what the platform could do was no longer what it looked like it could do.

• Brand
• UI/UX design
• Website

We began with the screens that carry the most weight: the call itself, the feedback that has to make it actionable, and the academy where the learning content lives. Rather than hand over static files, we design in code. Every screen ships as working React on Setero's own stack, with semantic tokens and typed components their engineers take straight into production. From there, a marketing site followed on the same foundation.