Principal Applied Scientist- Agentic RL , Kiro

AWS Agentic AI is looking for a Principal Applied Scientist who will partner with world-class scientists and engineers to pioneer the next generation of AI-driven development tools. Join the Amazon Kiro LLM-Training team and help create the most efficient coding agents for Kiro that are transforming the software development landscape.

Key job responsibilities
As a key member of our team youll be at the forefront of innovation in agentic RL space:
- Push the boundaries of reinforcement learning and post-training methodologies for large language models specialized in code intelligence
- Invent and implement state-of-the-art agentic RL training recipes that operate at unprecedented Amazon scale
- Deploy revolutionary products that directly impact the daily workflows of millions of developers worldwide
- Break new ground in AI and machine learning challenging whats possible in intelligent code assistance
- Publish and present your pioneering work at premier ML conferences (NeurIPS ICML ICLR )
- Accelerate innovation by working directly with customers to rapidly transition research breakthroughs into production systems

About the team
Kiro team is reimagining the builder experience through generative AI and foundation models. Were leveraging the latest advances in AI to transform how engineers work from IDE environments to web-based tools and services empowering developers to tackle projects of any scale with unprecedented efficiency.

- PhD or Masters degree and 10 years of CS CE ML or related field experience
- 5 years of hands-on large scale training experience
- Experience in patents or publications at top-tier peer-reviewed conferences or journals
- Experience programming in C Python or related language


- Prior experience at training or inference large scale models













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

Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees supervisors and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees supervisors and staff to ensure exceptional customer service; and follow all federal state and local laws and Company policies. Criminal history may have a direct adverse and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above as well as the abilities to adhere to company policies exercise sound judgment effectively manage stress and work safely and respectfully with others exhibit trustworthiness and professionalism and safeguard business operations and the Companys reputation. Pursuant to the Los Angeles County Fair Chance Ordinance we will consider for employment qualified applicants with arrest and conviction records.

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 CA Santa Clara - 228700.00 - 309400.00 USD annually
USA NY New York - 218800.00 - 295900.00 USD annually
USA WA Seattle - 198900.00 - 269000.00 USD annually