Cello is the Revenue Growth Infrastructure for modern digital businesses — turning word-of-mouth into a systematic, measurable growth channel for the AI era. Category leaders like Typeform, Miro, and Veed use Cello to accelerate their growth flywheel. TL;DR Seed, GrowthTech Remote-first, Europe-based (must be within CET +/-3 hours) Competitive salary + eVSOPS Why Cello • $10.3M raised from top-tier investors, 30+ new customers every month • Small team — you'll shape how we build, not just execute tickets • Founding team of serial founders and operators from Twilio, Wise, and Skype • We adopt AI tools where they actually help — because our customers do too • Remote-first with regular team meetups across EuropeWhat We’re Building We help SaaS companies turn their users and partners into a sales channel through referrals, sharing, and recommendations - 10M+ end users interact with our system every month. Our widgets live inside customer products, which means your code runs in environments you don't control. On top of that: APIs that customer developers integrate against, and a portal where customers manage their campaigns and analytics. Under the hood: attribution across complex user journeys, AI-based recommendation engines, multi-tenant infrastructure serving hundreds of customers, scaling millions of events. Deeper than you'd expect from a referral tool. Our product is integrated by customer developers - and that world is changing fast. The people building against our APIs…

Skills

React.js
Python
AWS
TypeScript
React Native