Sr. Software Engineer, Pretraining Data
2 days agoSeniorSalary: 220K - 357KPalo Alto, USAOnsiteBackendJobs by Anysphere, Inc. (doing business as Cursor)
Anysphere, Inc. (doing business as Cursor)Visit Anysphere, Inc. (doing business as Cursor) website
Cursor is an AI coding-agent product operated by Anysphere, Inc.; it was acquired by SpaceX in August 2026 and continues to operate.
Distributed
Funding history
About Anysphere, Inc. (doing business as Cursor)
Cursor provides AI-assisted software-development tools, including desktop and CLI coding agents, autonomous cloud agents, code review, and enterprise offerings.
Skills
Candidate Availability
About the Role
You'll build and scale distributed infrastructure that turns raw web, code, and multimodal data into training-ready datasets. You'll build models to filter and clean data, optimize large-scale crawling, and lead projects and mentor engineers.
Requirements
- 5+ years of professional software engineering experience building distributed systems and/or large-scale data infrastructure
- Able to work in person at the Palo Alto office
Responsibilities
- Design, build, and scale distributed data platform infrastructure and pipelines
- Build models and algorithms to classify, rank, deduplicate, filter, and clean training data
- Run experiments on data mixtures, sampling strategies, and quality thresholds
- Build and optimize large-scale web crawling infrastructure
- Lead cross-team engineering initiatives and mentor engineers
Benefits
- Equity
- Medical, vision, and dental coverage
- 401(k) retirement plan
- Short and long-term disability insurance
- Life insurance
- Discounts and perks
