AI-Native Infra Engineer for Ambient Device Intelligence

vibehackers

Irvine, Northern (CA, KY)

Hybrid

USD 144,000 - 194,000

Full time

4 days ago

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Benefits offered by this job

Sign-on payments

Restricted stock units (RSUs)

Comprehensive benefits

401(k) matching

Paid time off

Parental leave

Job summary

Amazon Devices Software & Services is seeking a Software Development Engineer II to design and ship core AI infrastructure for device experiences, including model/tool integrations, agent execution loops, evaluation pipelines, and APIs. The role emphasizes reliability, safety, performance, and production code for multimodal ambient intelligence across Alexa, Fire TV, and wearables.

The position requires building scalable backend services, tool integrations, and evaluation tooling while

Qualifications

Bachelor’s degree or equivalent.
Experience programming with at least one software language.
3+ years of non-internship professional software development experience.
2+ years contributing to systems architecture and design (architecture, design patterns, reliability, scaling).

Responsibilities

Design, build, test, and operate scalable backend services and libraries that enable AI/LLM-driven features.
Implement model provider integrations, tools, and agent capabilities with versioned interfaces, observability, cost/latency awareness, and sane failure modes.
Build evaluation and regression tooling to measure, gate, and ensure trustworthy AI behavior.
Prototype, test, and deploy features leveraging multimodal inputs to deliver proactive, context-aware experiences across surfaces.