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Software Engineer, Pretraining

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 smal

Company

Cursor

Location

San Francisco

Status

Open

Posted

2026-08-24T20:53:14.551+00:00

Cursor is hiring a Software Engineer, Pretraining in San Francisco for onsite, full-time work at mid level. The person will build data systems behind frontier coding models: large-scale crawling, data platform, and pipeline infrastructure that turns raw dumps into training-ready datasets. The posting describes work across Data Quality, Data Platform, and Crawling teams, including high-throughput pipelines, classification/filtering models, crawl scheduling and parsing, and experiments on data mixtures. It asks for strong infrastructure or data platform experience, large-scale distributed systems intuition, end-to-end ownership, independent debugging, and comfort working alongside AI agents.