Founding Product Engineer ($150K-$190K + Equity) At River
Jack and Jill · Hong Kong
Apply by 7 Oct 2026
ApplyJob Description
This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Job Title Founding Product Engineer Salary $150k-$190k + Equity Company Description River is a pre-seed AI startup backed by the founders of Ramp, Kalshi, and JumpCloud, building sophisticated voice agents that conduct live B2B sales calls. The platform enables agents to speak in real-time while autonomously driving a browser to demo products, closing the loop from initial contact to deal closure.
Jack and Jill
N/A
Employees
1800
Founded
"Jack and Jill" is a traditional English nursery rhyme. The Roud Folk Song Index classifies the commonest tune and its variations as number 10266, although it has been set to several others. The original rhyme dates back to the 18th century and different numbers of verses were later added, each with variations in the wording. Throughout the 19th century new versions of the story were written featuring different incidents. A number of theories continue to be advanced to explain the rhyme's historical origin.
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