AI Infrastructure Engineer

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San Francisco Full-time$200k–$400k / year Posted 2w ago

Above market. This role pays above the $215k median for similar USD roles (253 comparable postings in our corpus).

We built our training and evaluation infrastructure alongside the world’s leading AI labs. Now, we’re bringing those capabilities to enterprises across industries, enabling them to train, evaluate, and improve AI using their own expertise and standards. Our APEX benchmarks measure how AI performs on economically valuable work, while our enterprise evaluations and post-training capabilities turn those insights into measurable improvements across real-world workflows. Our work sits at the intersection of frontier AI, human expertise, and real-world application. We’re solving problems few…

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