ReflectionAI

ReflectionAI

Member of Technical Staff - Evaluations

San Francisco · Staff+

H1B sponsorship availableDetected 216 days ago
LLMsStatisticsResearchExperimental Design

About the role

  • Conduct critical comparative analysis to advance our understanding of model capabilities
  • Push the boundaries of what's measurable, from synthetic evals to human feedback and real-world interaction data.

Responsibilities

  • Reflection is a research lab making intelligence open and accessible for everyone to use, customize, and build on.
  • We build open models that let anyone control their intelligence and help shape the future of AI.
  • Build and refine evaluation systems and processes that create tight feedback loops between data, evals, and model behavior
  • Collaborate closely with pre-training, post-training, and applied teams to translate insights into model improvements.
  • Sponsorship support: We sponsor visas to help exceptional talent join our team and support long-term immigration pathways where applicable.
  • Team building: We have regular off-sites, happy hours, and team celebrations.
  • Joining Reflection means building from the ground up as part of a talent-dense team.

Requirements

  • Familiarity with LLM evaluation methodologies: static benchmarks, human preference evals, and/or agentic tasks.

Compensation

  • Salary and equity structured to recognize and retain our talent globally.
  • Health & wellness: Comprehensive medical, dental, vision, and life, with an annual wellness allowance.

Benefits

  • Top-tier compensation: Salary and equity structured to recognize and retain our talent globally.
  • Stock options: Everyone who joins and contributes to Reflection's success gets to share in the upside through stock options.
  • Health & wellness: Comprehensive medical, dental, vision, and life, with an annual wellness allowance.
  • Life & family: 22 weeks paid parental leave for all new birthing and non-birthing parents, including adoptive and surrogate journeys.
  • Vacation days: Unlimited paid time off in the U.S. and 30 days in the U.K.

Company info

  • make intelligence open and accessible to all.

Visa & Work Authorization

  • We sponsor visas to help exceptional talent join our team and support long-term immigration pathways where applicable.

This listing is sourced directly from ReflectionAI's careers page and normalized into a canonical job model.