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Research Engineer, Post-Training Model Evaluations at anthropic

Company: anthropic

Location: San Francisco, CA | Seattle, WA

Workplace: On-site

Seniority: Mid-level

Category: Engineering

Compensation: ~£395k–£672k

Posted: 2026-09-28

Stack: python, rust, go, aws

Role overview

Anthropic's production models undergo sophisticated post-training processes to enhance their capabilities, alignment, and safety. Decisions in production training depend on knowing how the model is really behaving. Our team's mission is to have the best observability into production post-training runs at Anthropic: to be the clearest, most trusted view of model quality during training. We shape what gets measured, keep the signal trustworthy and timely, and get to the…

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