Software Development Engineer, AI Runtime
This is a high-impact role where your work directly shapes how millions of customers experience Alexa+ every day.
Key job responsibilities
- Design, build, and operate large-scale distributed services that power Alexa+ Expert executions
- Develop and optimize LLM orchestration pipelines — including model serving, prompt routing, and inference optimization
- Build multi-agent coordination systems that route requests to the right expert agents with minimal latency
- Own the operational excellence of Tier-1 services, ensuring 99.99%+ availability at scale
- Collaborate with applied scientists and ML engineers to integrate new AI capabilities into production
- Drive architectural decisions that balance performance, reliability, and cost efficiency
- Mentor teammates and raise the engineering bar through code reviews, design reviews, and technical leadership
About the team
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. Our services orchestrate LLM inference, coordinate expert agents, and deliver responses at massive scale with low latency. When a customer interacts with Alexa+ and it feels magical, our platform made it happen.

