Staff+ Research Engineer, RL Data Platform

Anthropic
San Francisco, New York
Workplace: OnsiteFull timeUSD 500,000 - 850,000 annuallyFunction: Research & Scientific (R&D)Education: bachelorsSkills: ["Ownership","Reliability mindset","Stakeholder communication","Judgment","Collaboration","Attention to data quality"]

Own Anthropic’s RL Data Platform systems that collect, transform, and serve the human data Claude learns from. You’ll design and ship feedback and data-collection web interfaces for expert annotators, build backend services and APIs that route samples and return structured feedback, and partner with RL researchers to turn evolving data needs into reliable collection campaigns. You’ll also deliver dashboards and instrumentation to improve quality, throughput, and time-to-first-sample.

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FursaFursa
Anthropic
Anthropic
2 days ago

Staff+ Research Engineer, RL Data Platform

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Source: Company careers pageValidated by: Fursa AI
Last checked: 11 hours agoStatus: Live

Job Summary

Own Anthropic’s RL Data Platform systems that collect, transform, and serve the human data Claude learns from. You’ll design and ship feedback and data-collection web interfaces for expert annotators, build backend services and APIs that route samples and return structured feedback, and partner with RL researchers to turn evolving data needs into reliable collection campaigns. You’ll also deliver dashboards and instrumentation to improve quality, throughput, and time-to-first-sample.
Location: San Francisco, New York
Workplace: Onsite
Employment Type: Full time
Job Function: Research & Scientific (R&D)
Seniority: Mid level

Key Responsibilities

  • •Design, build, and operate feedback and data-collection interfaces for annotators, domain experts, and internal researchers.
  • •Build and maintain backend services, APIs, and pipelines that route model samples to humans and return structured training feedback.
  • •Ensure reliability, latency, and usability for systems running continuously against live model endpoints.
  • •Partner with RL researchers to translate data needs into well-scoped collection campaigns and tooling.
  • •Create dashboards, monitoring, and inspection tools to surface data quality and throughput to researchers without engineering help.

Pay and Benefits

Salary: USD 500,000 - 850,000 annually
Perks:Paid LeaveParental Leave

Key Requirements

  • •Strong full-stack engineering experience with production TypeScript/React (frontend) and Python (backend).
  • •Experience designing and operating backend services and data pipelines used by other teams.
  • •Proven track record owning projects end-to-end from ambiguous brief to production use.
  • •Ability to work with technical stakeholders whose needs change weekly and to push back when something isn’t worth building.
  • •Comfort applying AI tools in day-to-day work and caring about societal impacts.
Experience:Human-in-the-loopML systemsLLM training
Education:Bachelor's
Skills:OwnershipReliability mindsetStakeholder communicationJudgmentCollaborationAttention to data quality
Languages:English
Tech Stack:TypeScriptReactPythonAPIsLLMs

Eligibility

Work Authorization:Sponsorship available.

Company Brief

Anthropic
Develops large-scale AI systems and safety research to create reliable, steerable, and interpretable AI assistants and models for commercial and research applications.
Industry: AI & Machine Learning
Company Size: Enterprise (1,001+ employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series C
Headquarters: San Francisco, United States
Founded: 2021
WebsiteLinkedIn