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# Software Engineer

- **Company:** Idler's, Inc.
- **Location:** San Francisco, CA, United States
- **Contract:** Permanent contract
- **Skills:** Training Data, Artificial Intelligence, Amazon Web Services, Extract Transform Load (ETL), Cursor, PostgreSQL, Node.Js, Redis, Next.js, TypeScript, ReactJS, Claude Code, Build Management
- **Published:** October 12, 2026
- **Apply:** https://www.juju.com/job/16_6c63439410

## About the Role

* 1-10 years of experience writing excellent production software (new grads OK)
 * Experience with full-stack applications in a popular programming language
 * A meticulous problem solver who creates robust systems under time pressure

Tech stack

Typescript, React, NodeJS, Postgres, Redis, Vercel, Cursor/Claude Code/Codex, Tinker, Modal, AWS, Daytona, GRPO

## Description

As a Software Engineer at idler, you'll build the systems and infrastructure that our entire company relies on. You will solve open-ended, technical challenges with focus on performance, scale, and simplicity. In the era of AI-coding, systems-level thinking and attention to detail is more important than experience with a particular framework or language.

Examples of what you'll do

 * Design and build scaleable systems that generate RL environments
 * Create agentic QA systems to validate environment quality and fairness
 * Work directly with AI researchers at leading labs to understand what makes training data effective
 * Handle petabyte scale ETL and orchestrate millions of concurrent jobs
 * Support new product lines as we expand beyond coding environments
 * Manage our security posture and compliance requirements