SDE II: AI Dev Tools & Services for Devices

vibehackers; Irvine (CA); Hybrid; USD 144,000 - 194,000; Full time

Benefits offered by this job

Basic Life & AD&D insurance

Employee Assistance Program (EAP)

Medical Advice Line

Adoption and Surrogacy Reimbursement

Job summary

Amazon Devices Software & Services seeks a Software Development Engineer II to design, build, and operate core software powering AI-driven, agentic experiences across Alexa, Fire TV, mobile, and wearables.

You will own features end-to-end, implement scalable backend components, and collaborate with AI-native development workflows while mentoring colleagues and upholding safety and performance standards.

Qualifications

• Bachelor’s degree or equivalent.
• 3+ years of non‑internship professional software development experience.
• 2+ years contributing to systems architecture and design (architecture, design patterns, reliability and scaling).
• Experience with backend services, APIs, and AI-enabled infra is a plus.

Responsibilities

• Design, build, test, and operate scalable backend services, libraries, and APIs that power AI/LLM‑driven features.
• Integrate and harden model providers, tools, and agent capabilities behind versioned interfaces with clear failure behavior, observability, and cost/latency awareness.
• Implement evaluation, regression, and quality tooling to measure and gate AI behavior.
• Apply security‑conscious, fail‑closed design for systems handling credentials, user data, tool execution, and autonomous actions.
• Prototype and deploy features that leverage multimodal inputs for proactive, context‑aware experiences across surfaces.
• Work with AI coding assistants and agentic workflows: decompose tasks for agents, review AI‑generated code, and maintain high engineering rigor with automated testing and code review.
• Collaborate across teams and mentor other engineers while contributing to system architecture and design decisions.

Skills

System design

Reliability engineering

Security-conscious design

Observability

Automated testing

Code review

API design

Performance & cost awareness

Evaluation & regression testing

Prototyping

Cross-team collaboration

Mentoring

Agentic workflows

Decomposing tasks for automation

Operational excellence

Education

Bachelor’s degree or equivalent

Tools

Kiro

Claude

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Job description

Amazon Devices Software & Services seeks a Software Development Engineer II to design, build, and operate core software powering AI-driven, agentic experiences across Alexa, Fire TV, mobile, and wearables.

You will own features end-to-end, implement scalable backend components, and collaborate with AI-native development workflows while mentoring colleagues and upholding safety and performance standards.