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Amazon · IT - Software Development

Applied Scientist

United States, Boston 136000.00 - 184000.00 USD / Year · Job Posted April 19, 2026
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Job Description

The Artificial General Intelligence (AGI) team is seeking a dedicated, skilled, and innovative Applied Scientist with a robust background in machine learning, statistics, quality assurance, auditing methodologies, and automated evaluation systems to ensure the highest standards of data quality, to build industry-leading technology with Large Language Models (LLMs) and multimodal systems.

Job Responsibility

  • Collaborate closely with core scientist team developing Amazon Nova models
  • Lead the development of comprehensive quality strategies and auditing frameworks that safeguard the integrity of data collection workflows
  • Design auditing strategies with detailed SOPs, quality metrics, and sampling methodologies
  • Perform expert-level manual audits
  • Conduct meta-audits to evaluate auditor performance
  • Provide targeted coaching to uplift overall quality capabilities
  • Develop and maintain LLM-as-a-Judge systems, including designing judge architectures, creating evaluation rubrics, and building machine learning models for automated quality assessment
  • Set up the configuration of data collection workflows
  • Communicate quality feedback to stakeholders
  • Have a direct impact on enhancing customer experiences through high-quality training and evaluation data

Requirements

  • Master's degree in computer science, mathematics, statistics, machine learning or equivalent quantitative field
  • Experience programming in Java, C++, Python or related language
  • Experience with SQL and an RDBMS (e.g., Oracle) or Data Warehouse

Nice to have

  • Experience implementing algorithms using both toolkits and self-developed code
  • Have publications at top-tier peer-reviewed conferences or journals

What we offer

  • Sign-on payments
  • Restricted stock units (RSUs)
  • Health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage)
  • 401(k) matching
  • Paid time off
  • Parental leave
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