You will own the full data lifecycle—from defining data requirements and annotation standards to building high-quality datasets, evaluating model outputs, and translating findings into actionable recommendations for model improvement. You will work closely with research scientists, machine learning engineers, product teams, and external data partners to strengthen the data–model–evaluation feedback loop.
Cantina Labs is a social AI company, developing a suite of advanced real-time models that push the boundaries of expression, personality, and realism. We bring characters to life, transforming how people tell stories, connect, and create. We build and power ecosystems. Cantina, our flagship social AI platform, is just the beginning.
ReflectionSan Francisco, CA +2
Pay not posted
Posted Jan 8, 2026
ai&Yokohama +1
Pay not posted
Posted Mar 20, 2026
CalderRedwood City, CA
$199K–$483K / yr
Posted May 12, 2026
$200K–$300K / yr
Posted May 27, 2026
Pay not posted
Posted Oct 8, 2026
GenPeach AIZurich +1
Pay not posted
Posted Mar 30, 2026
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