Idler
Staff Software Engineer
San Francisco · Staff+
Sponsorship not specifiedDetected 251 days ago
TypeScriptReactNode.jsPostgreSQLRedisRESTAgentic AI
About the role
- Our training environments are based on real-world coding scenarios that frontier models will actually encounter.
- We've closed a multimillion-dollar contract with a leading foundation lab (the largest they've issued to date).
- Most of your day will be spent designing these systems to be extremely sound.
Responsibilities
- Build agentic systems that create and QA coding environments at scale.
- Design and build scaleable systems that generate RL environments
- Create automated QA systems to validate environment quality and fairness
- Support new product lines as we expand beyond coding environments
- Lead the process of identifying, specifying, and implementing core technology primitives that maximize the leverage of the rest of the team.
- Understand and own the technology stack end-to-end.
- Lead and mentor more junior members of the team.
- Demand is outpacing our capacity to deliver, so we're scaling the team fast.
Skills
- Typescript, React, NodeJS, Postgres, Redis, Vercel, Cursor
Benefits
- Healthcare coverage, 401(k), and 15 days PTO.
- Idler builds reinforcement learning environments that teach AI models to code like 0.01% engineers.
Company info
- A big part of our work is thinking critically about what makes a coding environment and task "good" and "fair".
This listing is sourced directly from Idler's careers page and normalized into a canonical job model.