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Idler

Idler

Reinforcement learning environments for AI coding training

4 open roles
aiSan Francisco, CA1-50Pre-seedFounded 2025Salary transparent

About

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.

Tech stack

TypeScriptReactNode.jsPostgresRedisVercel

Perks & benefits

Health insurance401kFree lunchRelocation assistance

Open roles

4
Idler

Special Projects Operator

IdlerSan Francisco, CA

Owns end-to-end execution of multi-million-dollar AI training programs, orchestrating large expert contributor teams under tight timelines. Designs workflows, runs QA, tracks metrics, and partners with leadership for high-impact delivery in fast-paced environment.

140k – 250k/yr
On-siteBusiness Operations
Idler

Staff Software Engineer

IdlerSan Francisco, CA

Designs and builds scalable agentic systems for generating and QA'ing reinforcement learning environments that teach AI models to code. Leads core technology primitives, owns full stack, and mentors juniors with 8+ years experience.

300k – 400k/yr
On-site8+ YOEBackend Engineering
Idler

Senior Software Engineer

IdlerSan Francisco, CA

Designs and builds scalable agentic systems for generating and QA'ing reinforcement learning environments that teach AI models to code. Collaborates with AI researchers using TypeScript, React, NodeJS stack in a tight-knit founding team.

180k – 280k/yr
On-siteML Engineering
Idler

Software Engineer

IdlerSan Francisco, CA

Build UI components, backend services, and QA workflows for reinforcement learning environments that train AI models to code. Work with TypeScript, React, Node.js stack alongside founding team in fast-scaling AI startup.

100k – 150k/yr
On-siteFullstack Engineering