Amazon
Machine Learning Engineer, Foundational AI (FAI)
$165K–$224K
Sunnyvale, CA · Full-time · Posted Oct 7, 2026
- Experience
- 3+ years of non-internship professional software development experience; 3+ years of computer science fundamentals experience. Preferred: 5+ years of full software development life cycle experience.
- Education
- Master's degree in computer science or equivalent (preferred).
About the job
Develops applied research and machine learning techniques for LLM-based generative AI, including supporting RL Gyms and foundational model development.
What you'll do
- Support development of RL Gyms and assess their usefulness for frontier model advancement.
- Build techniques to advance the state of the art with LLMs and support foundational model development.
- Use Amazon’s data sources and large-scale computing resources to advance LLMs.
What they ask for
- 3+ years of non-internship professional software development experience.
- 3+ years of experience with computer science fundamentals, including object-oriented design, data structures, algorithm design, problem solving, and complexity analysis.
- Experience in machine learning, data mining, information retrieval, statistics, or natural language processing.
Nice to have
- 5+ years of full software development life cycle experience.
- Master's degree in computer science or equivalent; experience using managed ML/AI solutions.
Pay
165,200.00 - 223,600.00 USD annually (base salary)
Tools
Large Language Models (LLMs), RL Gyms
AI focus
Applied research and development of generative AI and foundational models using LLMs; support RL Gym development and frontier model advancement.
Model-written summary · the original posting is authoritative