Senior Applied Scientist, LLM Code Agents, Kiro Science

Amazon; Santa Clara (CA); On-site; USD 192,200 - 260,000; Full time

Job summary

Amazon AWS is assembling a world‑class team to pioneer AI-driven development tools such as Kiro IDE and Amazon Q Developer. The role focuses on advancing reinforcement learning for code intelligence and delivering groundbreaking ML solutions at Amazon scale.

Applicants should have 3+ years building ML models for business applications and a PhD or Master’s with 6+ years of applied research. Strong programming in Java, C++, Python is required, along with deep learning experience.

Qualifications

• 3+ years of building machine learning models for business applications
• PhD or Master’s degree and 6+ years of applied research experience
• Experience programming in Java, C++, Python or a related language
• Experience with neural deep learning methods and machine learning

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 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

Skills

Machine learning

Java

C++

Python

Research experience

Education

PhD or Master's degree

Job description

Amazon Web Services (AWS) is assembling an elite team of 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—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 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

Basic Qualifications

• 3+ years of building machine learning models for business applications
• PhD or Master’s degree and 6+ years of applied research experience
• Experience programming in Java, C++, Python or a related language
• Experience with neural deep learning methods and machine learning

Preferred Qualifications

• First author publications at Tier‑1 ML conferences

Legal Disclosures

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.

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 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.

Benefits

The base salary range for this position is $192,200.00 – $260,000.00 USD annually. 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.