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Research Engineer - Data and Evaluation

Prime Intellect · San Francisco · Remote

Infrastructureremote$150k–$350k
Apply on the lab’s site ↗

At a glance

Highlights

  • Build tasks and environments that train Prime Intellect's models through RL.
  • Design challenging evaluations for coding and long-horizon agents.
  • Investigate model failures to distinguish limits from environment scoring issues.

What they offer

  • Equity incentives
  • Flexible work arrangements
  • Visa sponsorship and relocation assistance
  • Quarterly team off-sites, hackathons and conferences

Ideal candidate

A curious, ownership-driven builder fascinated by why models fail and how to measure progress. You thrive turning ambiguous quality questions into rigorous tests alongside frontier researchers.

Requirements

  • Strong software engineering skills in Python and experience building data pipelines, evaluation systems, or ML workflows
  • Hands-on experience working with language models or agents
  • Ability to inspect complex data and model outputs and turn ambiguous quality questions into testable measurements
  • Record of owning technical projects through experimentation, implementation, and validation
  • Hands-on experience building technical evaluations or agent environments and debugging harness and scoring code
remote policy
Flexible - remote or in-person in San Francisco
visa sponsorship
Visa sponsorship and relocation assistance available

Lab profile

About Prime Intellect

Building the open superintelligence stack for post-training frontier AI at scale

What they build

  • Lab platform
  • Compute and environments
  • Evaluations

Known for

  • Post-training at frontier scale
  • SFT and RL
  • Tool use and agent workflows
  • High-performance training infrastructure
More about Prime Intellect →
Apply on the lab’s site ↗

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