Principal Applied Scientist- Agentic RL , Kiro
Amazon Development Center U.S., Inc., Seattle, Washington +2
Amazon Development Center U.S., Inc., Seattle, Washington +2
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, you'll be at the forefront of innovation in agentic RL space:
Kiro team is reimagining the builder experience through generative AI and foundation models. We're 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.
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 Company’s 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 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, CA, Santa Clara – 228,700.00 - 309,400.00 USD annually
USA, NY, New York – 218,800.00 - 295,900.00 USD annually
USA, WA, Seattle – 198,900.00 - 269,000.00 USD annually
Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
CobotSeattle
Pay not posted
Posted Oct 23, 2025
BrillioBangalore, Karnataka, India
Pay not posted
Posted Sep 10, 2026
BrillioGurgaon, Haryana, India
Pay not posted
Posted Sep 10, 2026
$218K–$265K / yr
Posted Aug 14, 2026
CodeRoadLatin America +1
Pay not posted
Posted Aug 19, 2026
$200K–$250K / yr
Posted Jun 9, 2026
Source: amazon.jobs. We last checked this job 2 days ago. We first saw it 8 days ago. A job on a job board does not always mean that the team interviews people now.
This base pay is below the median for principal AI research jobs in the Bay Area.
We compare the middle of each posted range. This is base pay as posted. The group does not include this job.