Job ID: 3156561 | Amazon Development Center U.S., Inc. Machine learning (ML) has been strategic to Amazon from the early years. We are pioneers in areas such as recommendation engines, product search, eCommerce fraud detection, and large-scale optimization of fulfillment center operations. The Research engineering team in AgentCore AI organization accelerates scientific discovery and research innovation of 1P code agents and AgentCore scientists by providing specialized engineering expertise that enables rapid experimentation, robust evaluation, and scalable research infrastructure. ML Engineers combine deep engineering expertise with scientific understanding to accelerate research experimentation. They balance researchers\' need for rapid prototyping with reliable, scalable research systems, leveraging distributed computing and advanced tooling to ensure scientific experiments can be conducted efficiently and reproducibly. Inclusive Team Culture: Here at AWS, we embrace our differences. We are committed to furthering our culture of inclusion. We have ten employee‑led affinity groups, reaching 40,000 employees in over 190 chapters globally. We have innovative benefit offerings, and host annual and ongoing learning experiences, including our Connections on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences. Work/Life Balance: Our team puts a high value on work‑life balance. It isn’t about how many hours you spend at home or at work; it’s about the flow you establish that brings energy to both parts of your life. We believe striking the right balance between your personal and professional life is critical to life‑long happiness and fulfillment. We offer flexibility in working hours and encourage you to find your own balance between your work and personal lives. Mentorship & Career Growth: Our team is dedicated to supporting new members. We have a broad mix of experience levels and tenures, and we’re building an environment that celebrates knowledge sharing and mentorship. Our senior members enjoy one‑on‑one mentoring and thorough, but kind, code reviews. We care about your career growth and strive to assign projects based on what will help each team member develop into a better‑rounded engineer and enable them to take on more complex tasks in the future. Key Job Responsibilities Develop and maintain infrastructure for evaluation and benchmarking of 1P coding agents and AgentCore agent primitives. Design and maintain end‑to‑end training pipelines and compute infrastructure to accelerate development of advanced AgentCore agent primitives while optimizing compute usage. Transform experimental generative AI artifacts into scalable systems by incorporating robust architectural components and good engineering practices. Basic Qualifications 5+ years of non‑internship professional software development experience. 5+ years of programming with at least one software programming language. 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems. Experience as a mentor, tech lead or leading an engineering team. Preferred Qualifications 5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience. Bachelor\'s degree in computer science or equivalent. 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&DD 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 - $193,300.00 - $261,500.00 USD annually #J-18808-Ljbffr