xAI
Software Engineer, Evals
$175K–$275K
Palo Alto, CA · Full-time · Posted Jul 22, 2026
- Experience
- 3+ years of experience actively writing code.
About the job
Build and maintain the evals research platform and systems used to measure model capabilities and behaviors, improve datasets and experiments, and diagnose agent failures.
What you'll do
- Create and execute instruments for measuring model capabilities and behaviors.
- Manage evaluation execution infrastructure, datasets, and grading schemes.
- Build and ship reliable systems that support engineers and accelerate research.
What they ask for
- 3+ years of experience actively writing code
Nice to have
- Familiarity with AI/ML workflows, annotation tools, or evals.
- Experience creating and maintaining component libraries, design systems, or internal tools.
Pay
$175,000 - $275,000 USD (base salary)
AI focus
Develop and operate model evaluations to measure capabilities and behaviors, improve training data and experiments, track progress, and diagnose agent failures.
Model-written summary · the original posting is authoritative