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Software Engineer

ExecutivePlacements.com

Salary not specified
Nov 19, 2025
Sunnyvale, CA, United States of America
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Idler builds reinforcement learning environments that teach AI models to code like 0.01% engineers. Demand is outpacing our capacity to deliver, so we're scaling the team fast.

Requirements

  • Typescript
  • React
  • NodeJS
  • Postgres
  • Redis
  • Vercel
  • Cursor

Responsibilities

  • Build features and tooling for our agentic systems that create and QA coding environments.
  • Build UI components and backend services for environment generation and validation
  • Implement automated testing and QA workflows
  • Work with real codebases to understand what makes effective training data
  • Ship features quickly and iterate based on feedback from AI researchers at leading labs

Other

  • This is an in-person role in San Francisco.
  • We're a tight-knit founding team and we play to win.
  • Join us if you like to win too.
  • Relocation assistance available