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Active2mo ago

Staff Software Engineer, RL Environments

Scale AI·📍 San Francisco, California, United States

Employment

FULL TIME

Work mode

On-site

Experience

8+ years

Salary

$252K – $315K/yr

Pay vs market · Near median

This job's pay ($283,500 a year at the midpoint) is higher than about 50% of 354 salary-listed Software Engineer jobs in San Francisco in the last 12 months; their median is $288,350.

Salary data →

Role overview

Job description

About Scale AI At Scale, our mission is to develop reliable AI systems for the world's most important decisions. Our products provide the high-quality data and full-stack technologies that power the world's leading models, and help enterprises and governments build, deploy, and oversee AI applications that deliver real impact. Scale Frontier Data is the organization behind the training and evaluation data that frontier labs depend on. We build the systems, tooling, and expert workflows that turn hard human expertise into signals that models can learn from, across reasoning, coding, agentic tool use, and domain expertise. Reinforcement learning environments are now the center of gravity for that work: the difference between a model that demos well and a model that reliably completes long-horizon work is almost always the quality of the environments and reward signals it was trained again

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About this listing

  • Source: Scale AI's official careers site (via Greenhouse) · last confirmed on the source 1 Nov 2026
  • Posted 2 Sept 2026

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What they are looking for

Skills & requirements

Department · Gen AI Engineering

Hiring company

Scale AI

Technology

Scale delivers proven data, evaluations, and outcomes to AI labs, governments, and the Fortune 500.

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