Human Preference Data Jobs in San Francisco, CA

About the Team The Human Flourishing team’s mission is to ensure AI systems understand and advance human flourishing.

DATA ENGINEER, MARKETING The Data team at SpaceXSI is a small team that works across the company to inform business and product decisions

Your rights: If you prefer to have your application reviewed without AI assistance, you may request a human evaluation

Cybersecurity data science experience (strong preference), including exposure to threat modeling, adversarial dynamics, abuse patterns,

…form the full spectrum of humanity.

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…AI systems systematically using representative data, automated graders, production signals, and human judgment.

About Preload Preload builds the data layer for physical AI.

…Stripes are deeply curious, and prefer the joy of discovery to the comfort of certainty.

…(Y Combinator 2026) collects real-world human and robot data to train robots, and works with some of the most recognised robotics and AI

…the future worth building is human, and we're hiring people who want to build it.

…first dedicated engineer on our data platform.

Preferred qualifications Experience at an AI lab or with ML infrastructure: training data curation, multi-tenant fine-tuning platforms

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