Senior | Staff Software Engineer - AI / ML
Snorkel AI
San Francisco, CA · $208k–$315k a year · Posted September 25, 2026
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Pay compared with the market
This listing pays about $261,500 a year. Across 227 open senior listings that state pay, the middle half runs $180,000 to $250,000 and the median is $222,000. That is 18% above the median, above the middle half of those listings.
Listed pay is what employers advertise, not what people are paid.
About the job
<div class="content-intro"><p><strong>About Snorkel</strong></p> <p>Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI. We combine technology with research-driven AI data development to create datasets, benchmarks, evals, and custom solutions for real-world AI systems. Founded out of the Stanford AI Lab in 2019, Snorkel works with leading AI labs and enterprises to move from better data to better outcomes. <br><br>Excited to help us redefine how AI is built? Apply to be the newest Snorkeler!</p></div><p>In September 2026 we raised a <strong>$350 million Series E at a $3.5 billion valuation</strong>, and we are scaling our engineering and research teams to meet demand.</p> <h3>The role</h3> <p>Frontier AI data is expensive to make and hard to measure. Every task we deliver is tested against the strongest models, often through many long-running agent rollouts. Your job is to make that process faster,…
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