Sr. SDE, Alexa AI Agent Core, Alexa AI - Agent Core

About the role

The AI Runtime team is the backbone of Alexa+. We own the infrastructure that powers Expert executions — the multi-agent systems that bring Alexa+'s intelligent capabilities to life for hundreds of millions of customers worldwide. When a customer interacts with Alexa+ and it feels magical, our platform made it happen.

What you'll do

• Design and implement model evaluation frameworks and contribute to Tier-1 distributed systems that orchestrate expert agent executions, manage LLM inference pipelines
• Design, build, and operate services that power Alexa+ Model evaluations — including test case storage and execution, build processes and model evaluation systems
• Contribute to multi-agent coordination systems that route requests to the right expert agents with minimal latency
• Own the operational excellence of core services, ensuring 99.99%+ availability at scale
• Collaborate with applied scientists and ML engineers to integrate new AI capabilities into production

What you need

• 5–9 yrs of experience
• Machine learning
• LLMs
• Test cases
• B.Sc or B.Tech or B.E. or BCA