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Research Scientist

Cursor · San Francisco

$70k - $240k/yrMid levelScience and researchEngineeringMachine LearningPosted 7 months ago
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About this role

Our mission is to automate coding. The first step in our journey is to build the best tool for professional programmers, using a combination of inventive research, design, and engineering. Our organization is very flat, and our team is small and talent dense. We particularly like people who are truth-seeking, passionate, and creative. We enjoy spirited debate, crazy ideas, and shipping code. RESEARCH SCIENTIST Cursor is building the future of coding. We train frontier coding agents https://cursor.com/blog/composer and scale RL on real user data to make them increasingly effective. ABOUT THE ROLE We’re looking for Research Scientists who can drive effective RL or mid-training research in a small-team setting. You’ll own ambiguous, hard research problems end-to-end: forming hypotheses, designing experiments, building the training/eval/data needed to test them, and pushing results into the next model. You should expect significantly more scope and autonomy than in other research labs. WHAT YOU’LL DO - Improve our understanding of RL, what it takes to handle longer horizon tasks, and train with less compute - Train graders to improve performance on coding tasks with non-verifiable reward - Improve the quality and difficulty of datapoints we use for training our models - Realtime RL https://cursor.com/blog/tab-rl for coding agents YOU MAY BE A FIT IF - You have a deep background in RL and strong machine learning fundamentals - You’re an excellent programmer and software engineer - You can handle ambiguous research tasks with little guidance - You care a lot about data quality, and can dive into the data when appropriate - You are truth seeking, aiming to learn more about the science than proving your ideas are correct. #LI-DNI

Excerpt from the posting Cursor published. Read the full description on their site before applying.

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Research

About Cursor

Cursor is an AI editor and coding agent. Describe what you want to build or change in natural language and Cursor will write the code for you.

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