AfterQuery
AfterQuery is a San Francisco-based machine learning and artificial intelligence company, founded in 2025. It has raised $30.5M across 3 funding rounds, most recently a $30M Series B in September 2026 at a $3.2B valuation, from investors including Y Combinator, Altos Ventures and BoxGroup.
Key facts
| Description | AfterQuery is a San Francisco-based applied research lab (Y Combinator W25) that curates high-quality expert human data to train foundation models, capturing professional reasoning across finance, law, medicine and software. |
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Open roles at AfterQuery
- AI/ML Research Intern
- Research Scientist – Frontier Evaluations
- Strategic Projects Lead - STEM
- Software Engineer - Marketplace
- Corporate Counsel
- Strategic Projects Lead - Consulting
- Quality Control Lead
- Data Acquisition Lead
- Strategic Projects Lead - Chemical Engineering
- Recruiter
- Research Technical Program Manager
- Research Engineer
Browse AfterQuery roles by location: 🌍 Remote · San Francisco, United States
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