Principal Applied Scientist- Agentic RL , Kiro

Socket.dev; Seattle (WA); On-site; USD 199,000 - 269,000; Full time

Job summary

AWS Agentic AI is seeking a Principal Applied Scientist to partner with world-class researchers and engineers to pioneer next-generation AI-driven development tools on the Kiro LLM-Training team. You will push the boundaries of reinforcement learning for code intelligence, publish your work at top conferences, and deploy production-ready systems that empower millions of developers.

This on-site role in Seattle offers a challenging, impact-driven environment with a competitive salary and

Qualifications

• PhD or Master's plus 10+ years in CS/CE/ML or related field.
• 5+ years hands-on large-scale training experience.
• Publications or patents at top-tier venues or journals.
• Experience programming in C++, Python or related languages.

Responsibilities

• 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 at scale.
• Deploy revolutionary products that impact developers' daily workflows globally.
• Publish and present pioneering work at premier ML conferences (NeurIPS, ICML, ICLR).
• Accelerate innovation by transitioning research breakthroughs into production with customers.
• Collaborate with customers to translate research into practical, scalable tools.

Skills

C++

Python

Large‑scale training

Publications/Patents

Education

PhD or MS in CS/CE/ML

Job description

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

• 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 what's 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. 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.

Basic Qualifications

• PhD, or Master's 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

Preferred Qualifications

• 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 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