Heejae Joo is an accomplished software engineer with a robust background in full-stack development and experience in major technology companies. From July 2019 to August 2022, Heejae worked at Google, contributing to Google Desktop Search by enhancing search ranking and user engagement, and successfully leading architecture migrations that improved impressions. Following this, Heejae continued at Google from August 2022 to July 2025, focusing on Google Shopping, while also serving as a software engineer at Meta since July 2025, specializing in AI/ML infrastructure and LLM model serving optimization. Prior experience includes software engineering roles at Chain Partners, where blockchain wallets and backend socket APIs were developed, and during internships at SAP and Samsung Electronics, where involvement in cloud network projects and software-defined network development took place. Heejae Joo holds a Bachelor of Engineering in Computer Science from Seoul National University.
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