Cursor

Software Engineer, RL Data

Cursor
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2 months ago
San Francisco, CA, USAMid Level
H1B sponsor

Responsibilities

  • Design task sets that teach specific coding-agent capabilities and iterate using traces and evaluations.
  • Analyze agent traces to identify failure modes and surprising behavior.
  • Build reusable systems, rewards, environments, and data-quality processes from one-off solutions.
  • Partner with research to evaluate whether datasets teach the intended capabilities.

Requirements

  • Strong software engineering fundamentals and the ability to write careful, fast code.
  • Ability to break ambiguous capabilities into concrete, measurable tasks.
  • Background in infrastructure, data, or distributed systems.
  • Interest in analyzing real-world agent behavior and turning it into datasets or tools.
  • Reinforcement-learning experience is a plus but not required.

Categories

Cursor

About Cursor

1,001-5,000 employees

Cursor is an AI-powered code editor and coding assistant from Anysphere, built for professional software engineers and enterprise teams. It combines a VS Code–style editor with integrated AI chat, code generation, and repo-aware refactoring, and is sold via individual, team, and enterprise subscriptions. The company also targets sectors like healthcare and state and local education with field engineers who support evaluations and proofs of concept.

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