AfterQuery captures how experts reason and turns real-world professional work into high-quality training data for frontier foundation models. Backed by Y Combinator.
About the role
Project and client management: Work with the world’s leading AI organizations to build next-generation data solutions that push the limits of model capability, while directly driving revenue. Manage expert teams across domains: Lead and coordinate highly specialized contributors across fields like finance, software engineering, law, and more to create high-quality outputs at scale.
What they're looking for
- PhD (completed or ABD) in biology, chemistry, mathematics, data analytics/statistics, or a related STEM field — or equivalent demonstrated excellence as an IOI, IMO, or USAPhO medalist, ICPC or USACO finalist, or Putnam top 500 finisher
- Background in scientific research, computational modeling, experimental design, or quantitative/statistical analysis within your field
- Deep understanding of core fundamentals in your discipline along with strong quantitative and systems-level reasoning
- High agency and strong work ethic, comfort defining problems and thriving with minimal direction in ambiguous situations
- Demonstrated leadership excellence and strong communication abilities
- Genuine passion for AI and an entrepreneurial inclination
More about this role
AfterQuery is an applied research lab curating data solutions for foundation model development. We serve every frontier AI lab with the mission of delivering the best data to power the best models. In doing so, we can make expertise that once took a lifetime to build available to anyone who needs it.
Our customers are the ones building the foundation models themselves and our work sits directly in the loop of how those systems improve. This is a rare opportunity to join a company at a defining moment in AI. Forbes reported that we could be YC's fastest unicorn, reportedly raising at a $3.2 billion valuation. We're based in San Francisco and backed by leading investors including Altos Ventures, BoxGroup, and Y Combinator and angels from Google DeepMind, OpenAI, Anthropic, Meta Superintelligence Labs, and Microsoft AI.
Massive Opportunity: Forbes reported that we could be YC's fastest unicorn, reportedly raising at a $3.2 billion valuation, and we're not slowing down.
Founding Impact: You will own and architect core infrastructure systems that power our platform from the ground up.
Equity & Growth: Competitive salary and meaningful equity. As we scale, you’ll have the opportunity to...
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