Sr. Applied Scientist Agentic AI, Amazon Fulfillment Technology
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Job Location:
Bellevue, WA - USA
Monthly Salary:
Not Disclosed
Posted on:
2 days ago
Vacancies:
1 Vacancy
Job Summary
These systems are deployed to Amazon buildings and you will also work on rigorous offline and online evaluations.
Your work will leverage the latest LLMs to develop capabilities for agentic reasoning coding and analytics. You will also lead research projects to tackle unsolved problems mentor interns and author academic papers to summarize your findings for external publication.
Key job responsibilities
- Generating training and preference data for specific use cases (reasoning trajectories tool traces)
- Reward modeling and policy optimization for LLMs: DPO IPO RLHF/RLAIF with PPO/GRPO rejection sampling.
- Supervised fine-tuning on step-by-step trajectories and tool-use traces
- RL for LLMs Offline RL and off-policy evaluation
- Agentic memory/state management; episodic and semantic memory; vector search; grounding with RAG.
- Evaluation: developing decision quality metrics scaling LLM-based evaluations.
About the team
Amazon Fulfillment Technologies (AFT) powers Amazons global fulfillment network. We invent and deliver software hardware and data science solutions that orchestrate processes robots machines and people. We harmonize the physical and virtual world so Amazon customers can get what they want when they want it. Learn more about AFT: 3 years of building machine learning models for business application experience
- PhD or Masters 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
- Experience in building machine learning models for business application
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 for more information. If the country/region youre applying in isnt 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 WA Bellevue - 167100.00 - 226100.00 USD annually
Required Experience:
Senior IC
Key Skills
About Company
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