Note: The job is a remote job and is open to candidates in USA. Poolside is a company focused on building a world where AI drives economically valuable work and scientific progress. The role involves working with the pre-training data team to acquire high-quality pre-training data for frontier models, ensuring alignment with training needs and building systems for efficient data acquisition.
Responsibilities
- Design, build, and operate a large-scale web crawler responsible for acquiring all openly accessible data on the internet
- Develop specialized deep crawlers targeting high-value sources to improve recall and coverage
- In collaboration with data researchers, own a long-term road map for data acquisition
- Build observability, monitoring, and debugging tooling to ensure reliability and transparency across crawl infrastructure
- Collaborate with pre-training, post-training, and evaluations teams to align data acquisition priorities with model training needs
- Build high-throughput ingestion pipelines for rapidly onboarding partner data and evaluating it for quality
Skills
- Strong distributed systems background with proven experience building and operating large-scale infrastructure — data pipelines, web crawlers, or similar
- Proficiency in Python, and comfortable optimizing performance and debugging complex systems under production conditions
- Hands-on experience with web crawling or large-scale data extraction: understanding of HTTP protocols, distributed job queues, and data parsing at scale
- Familiarity with cloud platforms (AWS) and container orchestration (Kubernetes, Docker) for deploying and managing high-throughput workloads
- Awareness of the non-technical dimensions of internet-scale crawling: data privacy, robots.txt adherence, and responsible crawl practices
- Prior experience pre-training LLMs
- Experience in building trillion-scale SOTA pre-training datasets
- Experience translating research to production at scale
Benefits
- Fully remote work & flexible hours
- 37 days/year of vacation & holidays
- 16 weeks of flexible, full-pay parental leave
- Health insurance allowance for you & dependents
- Company-provided equipment
- Well-being, always-be-learning & home office allowances
- Frequent team get togethers
- Diverse & inclusive people-first culture
Company Overview
Poolside is an artificial intelligence platform that offers foundation concepts and infrastructure to write software codes. It was founded in 2023, and is headquartered in San Francisco, California, USA, with a workforce of 51-200 employees. Its website is http://www.poolside.ai.Company H1B Sponsorship
Poolside has a track record of offering H1B sponsorships, with 1 in 2025. Please note that this does not guarantee sponsorship for this specific role.