About Us

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We are the Revenue Growth Infrastructure for software businesses to acquire, retain, and monetize customers - at scale in the AI era. Cello turns word-of-mouth into a systematic growth channel.

Our referral platform allows users and affiliates to share and discover software products in just a few clicks. By inspiring users to share the products they love, we are virtually reinventing how companies sell and market products.

We’ve raised $10.3M total funding led by top-tier investors, and we’re now looking for a Senior Product Designer (m/f/x).

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TL;DR

🌎 Remote-first, Europe-based (must be within CET +/-3 hours)

🍰 Competitive salary + eVSOPS

🌱 Backed by leading VCs like HV Capital, byFounders, Notion Capital…

🏦 Trusted by category leaders like Bolt, Typeform, Miro, Veed and more

🚀 Why join

• Scale-up with $10.3M in funding from top-tier investors.
• Real traction - 30+ new customers every month, 10M+ end users monthly, and inbound already drives 65% of live pipeline.
• Small team, so you'll genuinely shape our design system, not just execute someone else's playbook.
• You'll touch everything from core product flows to marketing and brand surfaces to embedded widgets. The work doesn't get repetitive.
• We actively learn about new tech and AI tools and adopt where we can, we have to, because our customers do.
• Remote-first, but we get together regularly - company-wide and as a team.
• The founding team consists of serial founders and experienced big-tech operators from Twilio, Wise, and Skype.

What We’re Building