RUNREQ :: job/f3b1c8e0-3d35-8d73-92a3-1a8f49f249eb
LIVE
ANTHROPIC JOB LEDGER

Staff+ Software Engineer, RL Data Platform

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

SOURCE STATEOPENAPPLY AT ANTHROPIC
FIRST SEENAUG 27, 2026RUNREQ OBSERVATIONDAYS OPEN344D COMPANY MEDIANTEAM OPEN66AI RESEARCH & ENGINEERING30D TEAM+6NEWLY OBSERVEDTRACKED COMP$320K–$405K /YRDISCLOSED RANGE / ALL TIERSSOURCEVERIFIEDCHECKED 5H AGO
JOB DESCRIPTIONSHORTENED FROM SOURCE

Key responsibilities

4 ITEMS
  • Design and operate feedback interfaces for human annotators, domain experts, and researchers.
  • Build backend services, APIs, and data pipelines that send model samples to humans and return structured feedback for training.
  • Maintain system reliability, latency, and usability across live model endpoints.
  • Create tools that help researchers launch data campaigns, monitor quality, and inspect throughput.],

Qualifications needed

4 ITEMS
  • Production experience with TypeScript/React frontend systems and Python backend systems.
  • Experience designing and operating backend services and data pipelines used by other teams.
  • Experience owning projects from an unclear brief through production delivery.
  • Preferred: Experience building human-in-the-loop data tools, RLHF systems, preference data pipelines, or researcher-facing tools.
EVENT>Anthropic :: Staff+ Software Engineer, RL Data Platform first observed 3 days ago