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Longitude Labs Member of the Technical Staff

DeCircle


Job Location:

New York City, NY - USA

Yearly Salary: USD 250000 - 350000
Posted: 14 October 2026 (11 days ago)
Application Deadline: 19 January 2027
Vacancies: 1 Vacancy

Job Summary

Job description

Longitude Labs: stealth data infrastructure for leading AI labs (30 people $30M raised; founders from a top frontier lab and an AI-infra decacorn). One of the first dedicated research hires.

Comp: $250K-$350K base (can go higher for exceptional research credentials) competitive equity. Location: In-office 5 days (flexible to 4) NYC or SF. Visa: Visa transfers and sponsorship available.

Responsibilities
  • Design and own benchmarks evals and dataset taxonomies setting the standard for AI data quality

  • Independent research and publishing to establish thought leadership in AI benchmarks

  • Identify where frontier models fail and build datasets to close gaps

  • Partner with domain experts and deployment leads (life sciences finance) on what high-quality data looks like

  • Drive the research agenda with autonomy

Tech stack: Python PyTorch LLMs Evaluation Frameworks Data Pipelines

Source: requirements

  • PhD in ML/CS/CV or quantitative science (strongly preferred)

  • Top-venue publications (ICML NeurIPS) ideally top author with cited work

  • Deep LLM benchmark design eval methodology and data quality expertise

  • NYC or SF in-office 5 days (flex 4)

All done!

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