Kien H.

Kien H. is a software engineering professional with extensive experience in leading and architecting innovative technology solutions. Currently serving as a Builder at Stealth since August 2025, Kien previously held the position of Senior Staff Engineer and Manager at Aptos Labs from 2022 to 2025, where Kien was instrumental in architecting the Move smart-contract stack and launching the Aptos mainnet. Prior to that, Kien worked as a Staff Backend/ML Engineer at Lyft from 2019 to 2022, focusing on real-time data processing and machine learning pipelines. Kien's career also includes a role as a Senior Software Engineer at Google from 2015 to 2019, where Kien contributed to the development of a major enterprise onboarding product and ensured GDPR compliance for G Suite. Kien H. holds a Bachelor of Science degree in Computer Science from Lafayette College.