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Software Engineer, Pretraining

Cursor · Engineering

Location
San Francisco, CA, United States
Metro
San Francisco Bay Area
Workplace
On-site
Level
Unspecified
Type
Full-time
Posted
2 months ago
Source
Ashby

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What the posting covers

About the company

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.…

About the role

We’re looking for Software Engineers to build the data systems behind our frontier coding models’ initial training. You’ll work on large-scale crawling, data platform, and pipeline infrastructure, turning raw dumps into the datasets our models train on, and…

What you’ll do

on the Data Quality Team: Build and own high-throughput, fully telemetered data pipelines that process frontier-scale data with end-to-end traceability. If something breaks or drifts, your systems will tell us before the training run does. Train and ship…

What you’ll do

Improve URL seeding, scoring, and fair host scheduling so crawl capacity lands on the hosts and pages that matter most for model quality. Raise crawl success and parsing quality — defeating antibot failures, improving extractors, and capturing content we…

You may be a fit if

You have a strong infrastructure or data platform background, and ideally a spike of outlier depth somewhere (crawling/search infra is a plus, not a hard requirement) You are a high-slope engineer who has moved unusually fast — for example, staff-level…