Software Development Engineer II, Devices & Services Trust CX Innovations

Amazon's Devices & Services Trust CX Innovations team builds responsible AI for consumer devices. We deliver privacy-first, accessible, and trustworthy AI experiences across Amazon's device ecosystem—Alexa, Echo, and ambient computing products. Our mission: push the boundaries of generative AI innovation while maintaining Amazon's high bar for customer trust, privacy, inclusion, and accessibility. Build foundational systems and consumer-facing features that enable trustworthy AI experiences at scale. Partner with our Product Manager-Technical to design privacy-preserving AI architectures, responsible AI frameworks, and accessibility features. Tackle complex technical challenges at the intersection of AI innovation and customer trust. Key job responsibilities What You'll Build - Architect on-device vs. cloud processing trade-offs that optimize for privacy and performance - Design and implement federated learning and differential privacy techniques for hybrid AI architectures - Develop AI evaluation frameworks to measure model quality, safety, and bias across diverse customer populations - Build observability and monitoring systems for AI performance, hallucination detection, and trust metrics - Implement WCAG 2.1 AA and Section 508 compliance for AI-powered interfaces across voice, visual, and multimodal experiences - Create explainable AI interfaces and transparency controls that show customers what data is used and how - Build privacy dashboards and consent management frameworks that give customers control Key Technical Challenges - Latency vs. Privacy: Optimize response times while maintaining strong privacy guarantees through on-device processing and selective cloud offloading - AI Safety at Scale: Reduce hallucinations to <1% while maintaining 95%+ accuracy across diverse customer queries - Ambient Computing Privacy: Build privacy controls for always-on environments that balance proactive assistance with clear boundaries - Multimodal AI Systems: Architect distributed systems that handle text, voice, and visual inputs while preserving privacy across modalities What Success Looks Like - Make technical decisions that prioritize customer trust even when it means additional complexity - Write clean, maintainable code and establish best practices that enable the team to move fast - Implement privacy-preserving techniques without sacrificing user experience - Thrive in ambiguous environments and ship iteratively based on customer feedback - Design systems that work for all customers, considering diverse abilities and use cases from the start Why Join Us - Shape the future of responsible AI and set industry standards for privacy and trust - Work on generative AI technology that impacts millions of customers daily - Solve novel technical challenges at the intersection of AI innovation and customer protection