Senior Applied Scientist, Pxt

Amazon Amazon · Big Tech · Seattle, WA · Applied Science

Senior Applied Scientist role focused on developing and deploying GenAI/LLM solutions for HR and talent management within Amazon. The role involves end-to-end ML solution development, including research, prompt engineering, fine-tuning, model evaluation, and building scalable production systems. It emphasizes technical leadership, collaboration with stakeholders, and mentoring junior scientists.

What you'd actually do

  1. Design and implement novel GenAI/LLM solutions using foundation models (e.g., Claude, GPT) and AWS services including Amazon Bedrock, SageMaker, and other AWS AI/ML tools
  2. Conduct applied research to advance the state-of-the-art in LLM applications, including prompt engineering, few-shot learning, fine-tuning, and model evaluation
  3. Build scalable, production-ready AI systems that serve millions of requests with high reliability, low latency, and cost efficiency
  4. Partner with product managers, engineers, and business stakeholders to translate business requirements into technical solutions and drive measurable impact
  5. Mentor junior scientists, contribute to technical strategy, and establish best practices for GenAI development across the organization

Skills

Required

  • 3+ years of building machine learning models for business application experience
  • PhD, or Master's degree and 6+ years of applied research experience
  • Experience programming in Java, C++, Python or related language
  • Experience with neural deep learning methods and machine learning

Nice to have

  • Experience with modeling tools such as R, scikit-learn, Spark MLLib, MxNet, Tensorflow, numpy, scipy etc.
  • Experience with large scale distributed systems such as Hadoop, Spark etc.

What the JD emphasized

  • building advanced scientific solutions
  • GenAI/LLM solutions
  • LLM applications
  • GenAI development

Other signals

  • Develop end-to-end ML solutions from problem formulation to deployment
  • Build scalable, production-ready AI systems
  • Design and implement novel GenAI/LLM solutions
  • Conduct applied research to advance the state-of-the-art in LLM applications