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Idler

Staff Software Engineer – Java & Python

Idler, San Francisco, California, United States, 94199

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Requirements

8 years of professional software engineering experience

Expertise in the tech stack including Typescript, React, NodeJS, Postgres, Redis, Vercel, and Cursor

Proven ability to lead and mentor junior team members

Strong understanding of core technology infrastructure and its application

Critical thinking skills to assess and define effective coding environments and tasks

Experience in designing scalable systems for reinforcement learning environments

Strong communication skills for collaboration with AI researchers

Responsibilities

Develop agentic systems that create and validate coding environments on a large scale

Focus on the design of robust systems that ensure high standards in coding environments

Collaborate with AI researchers to grasp the qualities that enhance training data

Create automated quality assurance systems to ensure environment equity and excellence

Support new product initiatives as the team expands its offerings

Identify, define, and implement key technology elements to optimize team efficiency

Company: At Idler, we specialize in developing reinforcement learning environments aimed at training AI models to code like the top 0.01% of engineers. Our projects are founded on real-world coding scenarios to prepare models for actual challenges. After securing a significant multimillion‑dollar contract with a major foundation lab, we are rapidly expanding our team to meet increasing demand. You will join a close‑knit founding team, collaborating directly with seasoned engineers and AI researchers. We offer competitive benefits, including healthcare coverage, a 401(k) plan, 15 days of paid time off, and enjoyable meals and snacks during work hours. You will also receive a state‑of‑the‑art MacBook Pro and equipment, with relocation assistance provided. Join us in San Francisco if you are passionate about making a real impact!

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