Research Scientist – Frontier Evaluations
San Francisco$210k - $450kFull-timePosted 1mo ago
About the role
AfterQuery is hiring Research Scientists to design and publish rigorous evaluations for frontier AI systems, spanning agentic, coding, and safety evaluations, as well as expert-domain evaluations in healthcare, STEM, finance, and related fields. The role involves owning evaluation development end to end and collaborating across disciplines to turn important capability gaps into rigorous public research.
Responsibilities
- Lead the end-to-end design, validation, launch, and continuous improvement of frontier AI benchmarks.
- Partner with researchers and domain experts to develop evaluations around meaningful model failures, gaps in existing coverage, and high-priority domains.
- Analyze model capabilities and failure modes using rigorous experimental design and statistical methods.
- Build reproducible evaluation systems, including harnesses, graders, and benchmark infrastructure.
- Collaborate with researchers to post-train models and measure the resulting performance gains.
- Communicate results through benchmark reports, technical articles, and research papers.
Qualifications
- Strong record of publishing benchmarks or research papers.
- Clear technical communication and strong scientific writing skills.
- Commitment to experimental rigor, including baselines, ablations, statistical validity, and contamination controls.
- Ability to take an ambiguous evaluation question from initial scoping through a reproducible public release.
- Depth in agentic, coding, and safety evaluations or applied machine learning in an expert domain.
Skills
Required:Benchmark design and evaluationExperimental design and statisticsTechnical writing and communicationDomain knowledge (expert-domain evaluations)
Benefits
- Health Insurance: Medical, Vision, Dental
- 401(k) with Employer Match
- Daily Meals: Daily UberEats Stipend
- Monthly Wellness Stipend
Last updated Sep 30, 2026. Interested? Apply on the company site.
About AfterQuery
AfterQuery is an applied research lab curating data solutions to accelerate foundation model development.
AI researchdata solutionsfoundation model developmenttraining datasupervised fine-tuningreinforcement learningagent environmentscomputer use trajectories
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