Alexa AI

• Developed and deployed a BERT-based classifier for Alexa traffic deferral, iteratively refined through A/B testing and data curation (synthetic and real), resulting in a 50% reduction in inference traffic.

• Architecting an internal AI agent within the Alexa ecosystem to manage and personalize user Audio preferences, leveraging LLMs to enhance customer interaction.

• Led cross-team technical discussions on secure egress, storage, and processing of customer conversational data for ML systems, ensuring privacy-preserving data flows and compliance with internal governance constraints.

DeviceOS

• Delivered full-stack Bluetooth functionality to 500M Amazon platform users: Kindle, Echo, Fire TV.

• Onboarding Bluetooth protocol stack onto new devices, supporting Bluetooth, BLE, and BLE Mesh.

• Optimizing custom Yocto build processes, ensuring seamless deployment across multiple hardware platforms.

• Partnering with external and internal teams to synchronize feature releases against aggressive timelines.

• Debugging critical software under tight deadlines