# Idler

> Reinforcement learning environments for AI coding training

**Website:** https://idler.ai
**LinkedIn:** https://www.linkedin.com/company/idler
**Headquarters:** San Francisco, CA
**Locations:** San Francisco, CA
**Size:** 1-50
**Founded:** 2025
**Industry:** ai
**Funding:** Pre-seed
**Work type:** onsite
**Tech stack:** TypeScript, React, Node.js, Postgres, Redis, Vercel
**Benefits:** Health insurance, 401k, Free lunch, Relocation assistance

Idler builds reinforcement learning environments that teach AI models to code at expert human levels. They create training environments based on real-world coding scenarios to prepare models for production challenges. This enables frontier AI labs to train more capable coding agents.

## Hiring in

- [Backend Engineering (1)](https://hotfix.jobs/companies/idler/jobs/backend-engineering)
- [Business Operations (1)](https://hotfix.jobs/companies/idler/jobs/business-operations)
- [Fullstack Engineering (1)](https://hotfix.jobs/companies/idler/jobs/software-engineering)
- [ML Engineering (1)](https://hotfix.jobs/companies/idler/jobs/machine-learning-engineering)

## Open roles (4)

- [Special Projects Operator](https://hotfix.jobs/jobs/e530f255-67ec-48ec-81cc-9e64a058a780) - San Francisco, CA
- [Staff Software Engineer](https://hotfix.jobs/jobs/557078d4-13cf-4d98-b9f8-176442ea8d21) - San Francisco, CA
- [Senior Software Engineer](https://hotfix.jobs/jobs/f3776300-c379-487e-b2a4-429e5c46e585) - San Francisco, CA
- [Software Engineer](https://hotfix.jobs/jobs/38ec405c-a868-494c-a74b-2c234451c434) - San Francisco, CA

**Canonical:** https://hotfix.jobs/companies/idler