Software Engineer - RL Data Tools for Research

Anysphere; San Francisco (CA); On-site; USD 180,000 - 230,000; Full time

Job summary

Anysphere, Inc. in San Francisco, CA, seeks a Software Engineer for the RL Data team. You will design and build the tools researchers and external contributors use to create, review, submit, and monitor environments and tasks behind Cursor’s reinforcement-learning runs.

This is a full-stack, product-engineering role embedded in a research team. You’ll own the review and acceptance experience end to end, from rollout and transcript inspection to training integration.

Qualifications

• Shipped full-stack products from UI through storage or services.
• Proficient with TypeScript and React, plus Node, Python, or Go.
• Built data-facing tools like transcript viewers, diffing systems, and dashboards.
• Designed a design system or component library and established conventions.
• Created review, QA, moderation, fraud, or acceptance workflows.
• Cares about data quality and is willing to inspect raw data.

Responsibilities

• Create fast, trustworthy workflows for vendors and researchers to interact.
• Build review tools for inspecting rollouts, transcripts, and grader outputs.
• Develop environment-health, failure-search, versioning, and catalog experiences.
• Establish a shared component kit and self-serve interfaces with quality checks.

Skills

Full-stack development

TypeScript

React

Node

Python

Go

Design system

Review workflows

Data quality

Transcript viewers

Diffing systems

Observability

Dashboards

Tools

Node

Python

Go

TypeScript

React

Job description

Anysphere, Inc. in San Francisco, CA, seeks a Software Engineer for the RL Data team. You will design and build the tools researchers and external contributors use to create, review, submit, and monitor environments and tasks behind Cursor’s reinforcement-learning runs.

This is a full-stack, product-engineering role embedded in a research team. You’ll own the review and acceptance experience end to end, from rollout and transcript inspection to training integration.