Data Infra - Signals and Evaluations (IC) is open at Matter Intelligence in San Francisco. The posting gives no salary; similar roles in the United States advertise a median of $172K. Posted on Sep 15, 2026, and still on Matter Intelligence’s careers page when we last checked, on Nov 14, 2026.
About the role
Matter is hiring a Signal, Data, and Evaluation Engineer to build the datasets, benchmarks, environments, and evidence that make our models and AI systems scientifically defensible. Reporting to Ignacio Cases Martin, this individual contributor will work across data curation, simulation and learning environments, model and agent evaluation, and release-quality evidence. KEY RESPONSIBILITIES - Build versioned dataset…
The opening lines of the posting. The rest is on Matter Intelligence’s careers page.
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