# Design Engineer - Company: [Idler]() - Location: San Francisco - Team: Engineering - Employment type: Full Time - Posted: August 26, 2026 ## Job description **About idler** idler is a frontier data research lab. We build the evals and environments that the world's leading frontier labs use to measure and train their models. We closed on a multimillion-dollar contract with a top lab and raised a $9m seed round led by Paradigm. We are now facing more lab demand for our data than we can currently serve. Teaching AI superhuman capabilities is a responsibility we take very seriously. Our training data comes from work that is rigorous, ethically produced, and grounded in real expertise. **About the role** As a Design Engineer at idler, you'll own the user experience for our customers and internal team. You'll be tasked with producing robust, performant applications that are a delight to view and use. Our RL environments are novel, complex artifacts that need to be easy to interact with and communicated well. You'll need a founder’s high-level thinking, a designer's taste, and an engineer's precision to succeed. **Examples of what you’ll do** * Create a unified UI, layout and UX paradigm for inspecting and interacting with our RL environments that serves frontier labs and our internal team * Build a standard library and templates for our marketing materials that are beautiful and compliant with design best practices * Instrument and visualize our environment tracking system across hundreds of discrete steps and iterations per artifact **What we’re looking for** * Designed and implemented of a successful, full-stack product * A portfolio showing your design work * Watched users interact with your software and quickly iterated until they loved it * Strong experience with a modern web app stack (React, Typescript, Node.js) * 2+ years of product experience **Tech stack** Typescript, React, NodeJS, Postgres, Redis, Vercel, Cursor **Details** * In-person in San Francisco * Competitive salary + meaningful equity * Free meals in office * Healthcare, 401(k), 15 days of PTO per year * Relocation assistance * Small, ambitious team This is an in-person role in San Francisco. We're a tight-knit founding team and we play to win. Join us if you like to win too. ## Apply [Apply on Idler]() Canonical job page: