Cello, Poland +5
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 and widgets range from corporate engineering teams to solo founders using AI coding agents. Keeping up with how developers work today, and making sure our product fits into all of those workflows, is one of the more interesting challenges here.
CredalCredal HQ (Brooklyn, NY)
$190K–$250K / yr
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AttioPoland +3
€105K–€125K / yr
Posted Aug 27, 2026
AttioLondon +1
£105K–£125K / yr
Posted Aug 27, 2026
Cognite - AI for IndustryIndia (Bengaluru)
Pay not posted
Posted 7 days ago
Pay not posted
Posted Jun 1, 2026
CaylentBrazil +1
Pay not posted
Posted 19 days ago
Source: the Cello Ashby job board. We last checked this job 5 h ago. We first saw it 4 days ago. A job on a job board does not always mean that the team interviews people now. We found this job board in a public list. We did not yet compare it with the careers page of the company.