Applied Scientist, RL Post-training, Aws

Amazon Amazon · Big Tech · Seattle, WA · Machine Learning Science

This role focuses on Reinforcement Learning (RL) post-training of frontier LLMs to improve capabilities like instruction following, reasoning, and tool use, primarily for customer service applications within AWS. The role involves developing innovative solutions, publishing findings, and working with researchers and engineers.

What you'd actually do

  1. Develop innovative solutions to hard problems
  2. publish your findings at peer reviewed conferences and journals
  3. develop the science that powers countless new businesses in cloud computing
  4. work on Reinforcement Learning (RL) post-training of frontier Large Language Models (LLMs) to revolutionize customer service

Skills

Required

  • 3+ years of building models for business application experience
  • PhD, or Master's degree and 4+ years of CS, CE, ML or related field experience
  • Experience in patents or publications at top-tier peer-reviewed conferences or journals
  • Experience programming in Java, C++, Python or related language
  • Experience in any of the following areas: algorithms and data structures, parsing, numerical optimization, data mining, parallel and distributed computing, high-performance computing

Nice to have

  • Experience using Unix/Linux
  • Experience in professional software development

What the JD emphasized

  • PhD, or Master's degree and 4+ years of CS, CE, ML or related field experience
  • Experience in patents or publications at top-tier peer-reviewed conferences or journals

Other signals

  • Reinforcement Learning (RL) post-training
  • frontier Large Language Models (LLMs)
  • customer service
  • instruction following
  • reasoning over long context
  • tool use