RUNREQ :: job/9e2a6764-a03b-89b0-b8f6-ede817ff13d1
CLOSED
← ANTHROPIC JOB LEDGER

Research Engineer, Domain Scaling

SAN FRANCISCO, CA | NEW YORK CITY, NY | SEATTLE, WA / AI RESEARCH & ENGINEERING / TYPE NOT LISTED

SOURCE STATECLOSEDAPPLY AT ANTHROPIC ↗
FIRST SEENJUN 21, 2026RUNREQ OBSERVATIONDAYS OPEN9555D COMPANY MEDIANTEAM OPEN66AI RESEARCH & ENGINEERING30D TEAM+7NEWLY OBSERVEDTRACKED COMP$350K–$850K /YRDISCLOSED RANGE / ALL TIERSSOURCECLOSEDCHECKED 20D AGO
JOB DESCRIPTIONSHORTENED FROM SOURCE

Key responsibilities

4 ITEMS
  • Own data strategy for knowledge work, from task sourcing through reinforcement learning training.
  • Create reinforcement learning environments by identifying valuable tasks, designing rewards, managing vendors, and measuring model impact.
  • Build data pipelines, evaluations, and quality assurance frameworks that detect reward hacking and measure generalization.
  • Partner with domain experts, research teams, and product teams to turn capability goals into training environments and evaluations.

Qualifications needed

4 ITEMS
  • Bachelor’s degree in a relevant field, or equivalent education, training, or experience.
  • Experience fine-tuning large language models for specific domains or real-world uses.
  • Experience with reinforcement learning, reward design, or training data curation for large language models.
  • Preferred: Experience training production machine learning systems, designing large language model evaluations, or working with technical vendors.
EVENT>Anthropic :: Research Engineer, Domain Scaling first observed 95 days ago