Isaac Lian
- Role
- Software Development Engineer Ii at Amazon
- Location
- Seattle, WA, US
- LinkedIn followers
- 500 followers
About Isaac Lian
I\'m a software engineer at Amazon with 7+ years building distributed systems and…
Experience
Software Development Engineer Ii
Feb 2019 — Present · Seattle, WA, US
Alexa – Video / FireTVLead Mandarin & Cantonese voice features for FireTV, ensuring high-quality multilingual support. Partner with internal and external teams to manage all video-related Alexa Plus requests, owning the core service pipeline.Designed and implemented Components for LLM search workflows for new FireTV devices (YouTube, Prime Video, Amazon FTV) and optimized API latency, achieving a 9% reduction. Facilitated API onboarding, connectivity setup, and migrated multiple handlers to the new LLM workflow.Improved and Implemented NLU-based request routing, redirecting ~3.4M weekly requests to the correct domains, improving user experience. Serve as a security certifier, reviewing critical data handling, identifying threats, providing mitigation guidance, and supporting migration of Alexa Video Services to NAWS.Acted as AI champion for Alexa Video Org, integrating AI tools in daily workflows, promoting maintainable AI-assisted code, and developing a Slack-integrated AI bot to assist with oncall troubleshooting and ticket resolution.Responsible for Tier 1 on-call for high-impact production issues, collaborating with providers like Netflix and Hulu, ensuring reliability and responsiveness of voice and video systems.Alexa – PrivacyAlexa Security Scanner: Designed and implemented a scanner for all internal AWS accounts, providing proactive security checks without impacting performance.Alexa – Astro (TigerTeam Project)Eye Expression Extension: Implemented eye expression functionalities for Amazon Astro robots, contributing to core Astro capabilities and improving human-robot interaction experience.Alexa – GamesXbox Social Integration (2019): Launched Alexa support for Xbox social, implementing advanced recognition logic for complex gamertags (leet speak, abbreviations), achieving 99% accuracy.AlexaVoiceInGame: Supported the development of AlexaVoiceInGame, enabling voice interaction for DeadIsland 2 launch and enhancing in-game user experience.
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