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Research Scientist, APEX Benchmarks

San Francisco💼 Full-time🗓 2026-08-27 → 2026-09-26

Core

Design and lead the next generation of APEX benchmarks and expert-built datasets to measure frontier AI models' performance on economically valuable professional work.

Role type

Senior Research Scientist (LLM Evaluation & Benchmarking)

Builds

APEX benchmark family (investment banking, corporate law, consulting, medicine, accounting, software engineering) and associated open datasets/papers.

Domain

AI/ML evaluation, LLM benchmarking, professional services (finance, law, consulting, medicine, accounting, SWE)

Deliverable

production ML models | product features | research

Required skills

LLM evaluation, benchmark design, statistical rigor, experimental design, coding (eval harnesses), data analysis, technical writing, cross-functional collaboration

Preferred skills

Ph.D. in ML/NLP, top-tier publications (NeurIPS/ICML/ACL/ICLR), experience authoring public benchmarks, frontier lab experience, domain expertise in finance/law/consulting/accounting/medicine/SWE

Technologies

LLMs, evaluation frameworks, statistical analysis tools

Responsibilities

Design task taxonomy, difficulty calibration, and contamination controls for benchmarks; create expert-built datasets and grading rubrics; define measurement standards (confidence intervals, inter-rater agreement); partner with academic/industry collaborators; publish research (papers, datasets, talks); translate findings into business narratives; collaborate with data ops, product, and strategy teams.

Seniority

Senior, hands-on IC with strategic impact

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