SDE II: AI Infrastructure for Ambient Devices

Amazon Inc.; Irvine (CA); On-site; USD 144,000 - 194,000; Full time

Job summary

Amazon in Irvine, CA is hiring a Software Development Engineer II for the Devices Software & Services team. You will build AI-driven runtime, services, and tooling, shipping core software with end-to-end ownership in a fast, quality-driven environment.

You will work on ambient intelligence across Alexa, Fire TV, and wearables, focusing on reliability, safety, and performance while using AI coding assistants to accelerate development.

Qualifications

• Bachelor's degree or equivalent.
• 3+ years of non-internship professional software development experience.
• 2+ years of contributing to new and current systems architecture and design.

Responsibilities

• Innovate beyond traditional approaches to build Ambient Intelligence experiences across devices.
• Prototype, test, and deploy features using multimodal inputs to create personalized customer experiences.
• Ensure a persistent, context-aware experience across surfaces (Alexa, Fire TV, mobile, wearables).
• Design, build, test, and operate scalable backend services and libraries powering AI/LLM features.
• Integrate and harden model providers and tools behind clean interfaces with secure failure behavior and observability.
• Develop evaluation and regression tooling to ensure trustworthy AI behavior.
• Apply security-conscious design to credentials, data, tool execution, and autonomous actions.
• Collaborate with AI coding assistants and reviewers to maintain high engineering rigor at AI speed.

Tools

Python

Perl

Job description

Amazon in Irvine, CA is hiring a Software Development Engineer II for the Devices Software & Services team. You will build AI-driven runtime, services, and tooling, shipping core software with end-to-end ownership in a fast, quality-driven environment.

You will work on ambient intelligence across Alexa, Fire TV, and wearables, focusing on reliability, safety, and performance while using AI coding assistants to accelerate development.