Research Scientist

Idler

$120K — $145K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 1+ years experience in reinforcement learning (RL) in production at a frontier lab
  • Proven history of end-to-end post-training for large language models (LLMs)
  • A proactive approach to driving research and implementation within a fast-paced environment
  • Strong curiosity about machine learning and maximizing learning from data

Responsibilities

  • Collaborate with researchers to design innovative post-training strategies
  • Develop and execute an in-house post-training system to evaluate model improvements
  • Create new data products leveraging available datasets and expert input
  • Ensure external data acquisition meets refinement standards
  • Build scalable systems for ingesting and assessing potential data purchases

Benefits

  • In-person role located in San Francisco
  • Competitive salary with equity options
  • Complimentary meals provided in the office
  • Health insurance and 401(k) retirement plan
  • 15 days of paid time off (PTO) annually
  • Relocation support offered
  • Work within a small, ambitious team environment
Full Job Description
About the role

As a Research Scientist at idler, you'll own measuring and improving how models learn from our tasks. You'll draw on your own experience and collaborate with frontier researchers to validate our data quality, identify where improvements are needed, and create new datasets. To succeed, you'll need to have extensive experience doing this work in production at a frontier lab.

Examples of what you'll do
  • Work with our customers - researchers at frontier labs - to design novel post-training recipes and data quality measurement techniques
  • Design and run our in-house post-training stack to measure model lift on our tasks
  • Develop new data products based on datasets and experts available to us
  • Work with procurement to ensure external data we acquire is suitable for refinement
  • Create scaleable systems for ingesting & evaluating data we are considering buying

What we're looking for
  • 1+ years of experience doing RL in production at a frontier lab
  • Track record of post-training an LLM end to end
  • Desire to drive the research roadmap and implementation on a fast-moving team
  • Deep curiosity about how machines learn from data and how to extract the maximum learning signal from our tasks

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.

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