Staff+ Software Engineer, RL Data Platform

Anthropic
San Francisco, New York
Workplace: OnsiteFull timeUSD 320,000 - 405,000 annuallyFunction: Software EngineeringEducation: bachelorsSkills: ["Ownership","Reliability focus","Stakeholder management","Communication","Problem-solving"]

Build and operate the RL Data Platform systems that power Claude’s human feedback loop. Design and ship researcher- and annotator-facing web interfaces, then build backend services, APIs, and data pipelines that route samples and structured feedback into training. Own reliability, latency, and continuous operations against live model endpoints, partner with RL researchers on data campaigns, and create dashboards and monitoring to improve data quality and throughput.

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FursaFursa
Anthropic
Anthropic
2 days ago

Staff+ Software Engineer, RL Data Platform

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 15 hours agoStatus: Live

Job Summary

Build and operate the RL Data Platform systems that power Claude’s human feedback loop. Design and ship researcher- and annotator-facing web interfaces, then build backend services, APIs, and data pipelines that route samples and structured feedback into training. Own reliability, latency, and continuous operations against live model endpoints, partner with RL researchers on data campaigns, and create dashboards and monitoring to improve data quality and throughput.
Location: San Francisco, New York
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design, build, and operate feedback and data collection interfaces for human 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.
  • •Own reliability, latency, and usability for continuously running systems against live model endpoints.
  • •Partner with RL researchers to translate changing data needs into scoped collection campaigns and tooling.
  • •Build dashboards, monitoring, and inspection tools to help researchers understand data quality and throughput without engineering help.

Pay and Benefits

Salary: USD 320,000 - 405,000 annually
Perks:EquityPaid LeaveParental Leave

Key Requirements

  • •Strong full-stack engineering experience with production TypeScript/React on the frontend and Python on the backend.
  • •Experience designing and operating backend services and data pipelines that other teams depend on.
  • •Track record of owning projects end-to-end, from ambiguous brief to production usage.
  • •Ability to work with technical stakeholders whose needs change week to week, including pushing back when something isn’t worth building.
  • •Comfort and effective use of AI tools in your day-to-day work.
Experience:AIMachine learningRLHFHuman-in-the-loop
Education:Bachelor's
Skills:OwnershipReliability focusStakeholder managementCommunicationProblem-solving
Tech Stack:TypeScriptReactPythonAPIsDashboardsMonitoringLLMs

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