# Staff+ Software Engineer, RL Data Platform at Anthropic

> Open role observed by RunReq as of 2026-08-30T19:47:48.464743+00:00.

## Role details

- Company: [Anthropic](http://runreq.com/company/anthropic/index.md)
- Location: San Francisco, CA \| New York City, NY
- Team: AI Research & Engineering
- Compensation: $320K–$405K /YR
- First observed: 2026-08-28T01:43:15.832875+00:00
- Days open: 3
- Employer posting: [View the authoritative posting](https://job-boards.greenhouse.io/anthropic/jobs/5404730008)

## Shortened description

### Key responsibilities

- 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

- 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.

## Hiring context

- Open roles on this team: 66
- Newly observed on this team in 30 days: 6
- Company median days open: 44

## Interpretation

- RunReq records observed job postings; it does not show applicant volume or completed hires.
- The linked employer posting is authoritative for the full description and application process.
- Human-readable job page: http://runreq.com/jobs/f3b1c8e0-3d35-8d73-92a3-1a8f49f249eb
- Site-wide agent directory: http://runreq.com/llms.txt