Leon Lenz

Leon Lenz
1 Linked

Looking for Co-founder!

Siegen, Germany
whispchat.com
Member since 2026

I’m building Whisp: a chat infrastructure product that lets companies add in-app messaging between their own users (e.g., marketplace buyer↔seller, community members, players, creators↔fans, dating, SaaS user collaboration) into web, iOS, and Android apps. It comes with the core realtime building blocks out of the box (1:1 and group chat, media, reactions, read receipts, presence etc.) so teams don’t have to build and operate the messaging backend themselves. Each customer runs on an isolated, dedicated cluster with autoscaling for predictable performance and strong data separation. Whisp is fully EU sovereign: the entire infrastructure stack is hosted in Germany with German cloud providers.

I’m looking for a B2B sales cofounder who enjoys the early stage: getting into conversations, opening doors, and converting early interest into the first paying customers, helping Whisp accelerate especially in this beginning phase.

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The Hard Thing About Hard Things

The Hard Thing About Hard Things

Ben Horowitz

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I’m building Whisp: a chat infrastructure product that lets companies add in-app messaging between their own users (e.g., marketplace buyer↔seller, community members, players, creators↔fans, dating, SaaS user collaboration) into web, iOS, and Android apps. It comes with the core realtime building blocks out of the box (1:1 and group chat, media, reactions, read receipts, presence etc.) so teams don’t have to build and operate the messaging backend themselves. Each customer runs on an isolated, dedicated cluster with autoscaling for predictable performance and strong data separation. Whisp is fully EU sovereign: the entire infrastructure stack is hosted in Germany with German cloud providers.

I’m looking for a B2B sales cofounder who enjoys the early stage: getting into conversations, opening doors, and converting early interest into the first paying customers, helping Whisp accelerate especially in this beginning phase.

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