Lens 2019 Q4 ~ 2025
Lens Web (Q4 2019 – Present)
* Co-founded and served as Technical Lead for the Lens Web team, growing it to ~20 engineers and launching a product that scaled to over 10 million daily active users (DAU).
* Managed a team of 7 Software Engineers (L3-L5), overseeing performance management, career development, and code reviews.
* Led the ground-up development and launch of the Lens experience on the web, successfully integrating the visual search tool into core Google products including Google Search, Image Search, and Gemini.
* Spearheaded strategic integrations with external partners such as WhatsApp and Mozilla, significantly expanding Lens's product reach.
* Directed the Lens Web Search convergence project, a fundamental re-architecture of the Google Search Results Page to natively support visual queries.
* Championed a critical latency optimization initiative, reducing P90 load times from over 7 seconds to under 3 seconds.
* Engineered full-stack features using a diverse tech stack including TypeScript, Java, and C++.
Lens Server Infra
* Owned and led the API evolution for the next generation of the Lens frontend Java server, defining the roadmap for future development and scalability.
Daydream Poly 2018.8 ~ 2019.9
* Functioned as Web Frontend Tech Lead, where I designed and implemented a robust 3D asset management system.
* Specialized in architectural design, web development (Boq, TypeScript), 3D rendering (Three.js), and access control management.