
Idler
Idler builds evaluation suites and on-demand, scalable reinforcement-learning environments used to measure and train AI models. Its platform helps AI labs and intelligent-systems teams generate custom tasks, automate environment infrastructure, and run reproducible evals. Privately held and founded in 2025 in San Francisco, it sells access to its SaaS platform and environments to research groups and companies building frontier models.
Open Positions at Idler
2 open positions
Lead idler’s cybersecurity evaluation and environment work as an elite security researcher who also builds production systems. You’ll shape the roadmap, manage expert reviewers, and work directly with frontier AI labs on their security data needs.
Build full-stack features and QA tooling for agentic systems that create coding environments used to train frontier AI models. Join Idler’s small founding team in San Francisco and work directly with engineers and AI researchers.