Sr. SDE-Machine Learning, AgentCore

Job Title

Sr. SDE‑Machine Learning, Agent Core – Amazon Web Services (AWS)

Machine learning (ML) has been strategic to Amazon from the early years. We are pioneers in recommendation engines, product search, eCommerce fraud detection, and large‑scale optimization of fulfillment center operations. The Research Engineering team in the Agent Core AI organization accelerates scientific discovery and research innovation of 1P code agents 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, balancing the need for rapid prototyping with reliable, scalable systems.

• Develop and maintain infrastructure for evaluation and benchmarking of 1P coding agents and Agent Core agent primitives.
• Design and maintain end‑to‑end training pipelines and compute infrastructure to accelerate development of advanced Agent Core agent primitives while optimizing compute usage.
• Transform experimental generative AI artifacts into scalable systems by incorporating robust architectural components and good engineering practices.

The Research Engineering team within the Agent Core Science organization accelerates scientific discovery and innovation of 1P code agents by providing specialized engineering expertise for rapid experimentation, robust evaluation, and scalable research infrastructure.

• 5+ years of non‑internship professional software development experience.
• 5+ years of programming with at least one software programming language.
• 5+ years leading design or architecture of new and existing systems.
• Experience as a mentor, tech lead, or leading an engineering team.

• 5+ years of full software development life cycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations.
• Bachelor's degree in computer science or equivalent.

Amazon values inclusion, work‑life balance, mentorship, and career growth. We provide flexibility in working hours, a knowledge‑sharing environment, and comprehensive benefits including health insurance, 401(k) matching, paid time off, and parental leave. Additional benefits include an Employee Assistance Program, mental health support, and more.

Amazon is an equal‑opportunity employer. We do not discriminate on the basis of protected veteran status, disability, or other legally protected status.

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Salary range for this position: $ – $ USD annually (USA, CA, Santa Clara).