Principal Applied Scientist, Kiro Science Job at Amazon, San Francisco, CA

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  • Amazon
  • San Francisco, CA

Job Description

Job ID: 3161064 | Amazon Development Center U.S., Inc.

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 groundbreaking generative AI technologies including Kiro IDE and Amazon Q Developer that are transforming the software development landscape.

Key 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 machine learning solutions 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 and NLP conferences (NeurIPS, ICML, ICLR, ACL, EMNLP)
  • Accelerate innovation by working directly with customers to rapidly transition research breakthroughs into production systems

About the Team

The AWS Developer Agents and Experiences (DAE) 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.

Broadly, AWS Utility Computing (UC) provides product innovations ranging from foundational services such as Amazon’s Simple Storage Service (S3) and Amazon Elastic Compute Cloud (EC2) to consistently released new product innovations that continue to set AWS’s services and features apart in the industry. As a member of the UC organization, you’ll support the development and management of Compute, Database, Storage, Internet of Things (Iot), Platform, and Productivity Apps services in AWS. Within AWS UC, Amazon Dedicated Cloud (ADC) roles engage with AWS customers who require specialized security solutions for their cloud services.

Why AWS? Amazon Web Services is the world’s most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stop innovating – that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

Company Culture

Our inclusive team culture encourages continuous learning and curiosity. Employee‑led affinity groups foster a culture of inclusion that empowers us to celebrate our differences. Ongoing events and learning experiences, including the Conversations on Race and Ethnicity (CORE) and AmazeCon conferences, inspire us to embrace our uniqueness.

Mentorship and career growth are central to our ethos. We consistently raise our performance bar and offer mentorship, knowledge‑sharing, and career‑advancing resources to help you develop into a well‑rounded professional.

We value work‑life harmony and flexible options for employees to thrive both at work and at home.

Hybrid work is available. Employees may work in the office daily or opt for a flexible, hybrid model near one of our U.S. Amazon offices.

Basic Qualifications

  • PhD, or Master's degree and 10+ years of CS, CE, ML or related field experience
  • 8+ years of building models for business application experience
  • Experience in patents or publications at top‑tier peer‑reviewed conferences or journals
  • Experience programming in Java, C++, Python or related language
  • Experience in any of the following areas: AI (NLP or multi‑modality models), Deep Learning, LLM model training, graph learning, software engineering

Preferred Qualifications

  • First author publications at Tier‑1 ML conferences

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 working safely and cooperatively with other employees, supervisors, and staff; adhering to standards of excellence despite stressful conditions; communicating effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and following 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. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

Compensation: The base salary range for this position is USD 228,700.00 – 309,400.00 annually for USA, CA, Santa Clara; USD 218,800.00 – 295,900.00 annually for USA, NY, New York. The 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.

Benefits include health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and optional 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

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Job Tags

Work at office, Local area, Work from home, Worldwide, Flexible hours

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