HOME AI & Research Applied Scientist III, Foundation AI Assets (FAI)
  • Amazon
  • Boston, MA
  • Full-Time
  • 21 days ago
  • $167,100–$226,100 / year
Amazon VERIFIED EMPLOYER

Applied Scientist III, Foundation AI Assets (FAI).

AI & Research Full-Time

Applied Scientist III, Foundation AI Assets (FAI): our view in 3 lines...

  • The Role:This role is for a machine learning scientist who builds and improves large language models for generative AI technology.
  • The Person:The person will support the development of RL Gyms, assess their usefulness for frontier model advancement, build techniques to advance LLMs, and use large-scale data and computing resources to accelerate LLM advances.
  • Requirements:The ideal candidate has experience with neural deep learning methods and machine learning, a PhD or Master's degree and 6+ years of applied research experience, and experience programming in Java, C++, Python or related language.

About the role

The Foundational AI Assets (FAI) team is looking for a passionate, talented, and inventive Applied Scientist with a strong deep learning background, to build industry-leading Generative Artificial Intelligence (GenAI) technology with Large Language Models (LLMs).

Key job responsibilities
As an Applied Scientist with the FAI team, you will support the development of RL Gyms, assess their usefulness for the frontier model advancement and build techniques to advance the state of the art with LLMs. You will support the foundational model development in an applied research role. Your work will directly impact our customers in the form of products and services that make use of GenAI technology. You will leverage Amazon’s heterogeneous data sources and large-scale computing resources to accelerate advances in LLMs.

About the team
The FAI team has the mission to push the envelope in GenAI with LLMs, in order to provide the best-possible experience for our customers.

Basic Qualifications

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

Preferred Qualifications

- Experience with building agents OR training LLMs for agentic tasks

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including 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, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits.

USA, MA, Boston - 167,100.00 - 226,100.00 USD annually

Published October 15, 2026
Location Boston, MA
Category AI & Research  
Job Type Full-Time