Senior AI Platform Engineer for Agentic Systems

Socket.dev; Bellevue (WA); On-site; USD 168,000 - 227,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Parental leave

RSUs

Job summary

Amazon is seeking a Senior Machine Learning Engineer to own core systems for its agentic AI platform in Bellevue, WA. You will lead evaluation infrastructure, RL training pipelines, and inference serving, partnering with applied scientists to ship reliable, scalable systems.

The role emphasizes design leadership, cross-team collaboration, and mentorship across a broad set of agentic capabilities. The position involves building robust, scalable infrastructure that handles hundreds of concurrent

Qualifications

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

Responsibilities

• Design, build, and operate major components of the agentic AI platform: evaluation harnesses, sandboxed environments and mocked resources, RL and post-training pipelines, self-learning data pipelines, or inference serving for agentic traffic.
• Lead the design work in your area: write the design documents, drive them through review, and make the build-versus-adopt calls within your scope.
• Own reliability and performance: instrument your systems, drive down the failure modes that make results untrustworthy, and report platform health in metrics.
• Partner with applied scientists to turn research code into production infrastructure, and expose it through interfaces other teams can use without your involvement.
• Scale what you build: hundreds of concurrent evaluation trials, long-context multi-turn training jobs, and large GPU formations on shared company infrastructure.
• Raise the engineering bar through code and design reviews, operational excellence practices, and deep dives on cross-system problems.
• Mentor engineers earlier in their careers and help set technical direction for your team.

Skills

Software development

System design

Mentorship / tech lead

Leadership

Education

Bachelor's degree in CS

Tools

Git

CI/CD

Job description

Amazon is seeking a Senior Machine Learning Engineer to own core systems for its agentic AI platform in Bellevue, WA. You will lead evaluation infrastructure, RL training pipelines, and inference serving, partnering with applied scientists to ship reliable, scalable systems.

The role emphasizes design leadership, cross-team collaboration, and mentorship across a broad set of agentic capabilities. The position involves building robust, scalable infrastructure that handles hundreds of concurrent