Oct 2020 – Present · 5 yrs 8 mos

• Built the platform for AI Overviews & AI Mode, on a new AI first Search stack. Includes
• modeling: prompt life cycle and optimizations, auto-raters, querysets, training data generation (golden/silvers), LoRA, RL
• inference: tools data retrieval(RAG), model invocation, pre and post processing, grounding, trust & safety, synthetic features & augmentation, layout and rich UIs.
• Made the placement of Ads flexible (by location and at various points in the page life cycle) resulting in several $XB additional revenue streams per year.
• Led platform teams to develop full stack product experiences on Search, so users can find higher quality answer, faster and directly on Google.
• Drove user growth, increased user engagement, reduced operational costs and latency, resulting in over $2.5B incremental annual revenue on Search results page.
• Built a diverse and inclusive team across 6 offices, collaborating with cross functional teams - product partners, UX, product/program management, QA, etc.

Oct 2015 – Sep 2020 · 4 yrs 11 mos

• Led platforms (a) that powered all UIs for Google Search, Assistant, and Feed (b) Search Results Page horizontal functionality - such as navigational affordances, visual appearance, search modes - image search, shopping, etc.
• Delivered beautiful and intuitive user experiences on Search, through improvements in branding, reusable components, scalability across browsers, form factors, and devices.
• Modularized the entire rendering stack across Web, Android, and iOS platforms, optimizing latency, RAM, and CPU consumption, faster product development velocity.

Jun 2010 – Sep 2015 · 5 yrs 3 mos

• Led org-wide efforts to reduce search latency by 100s of ms, setting goals and providing regular updates to executives and the board of directors.
• Pioneered strategic initiative to transcode search results landing pages in emerging markets, resulting in 4x latency reduction, 50% increase in pageviews and 40% increase in Ads revenue. Incubated Accelerated Mobile Pages (AMP).
• Created the WebP open-source image format, which compressed images 30% smaller and powered Youtube video thumbnails, Android Play Store App icons, Chrome data compression proxy, images on Facebook, Ebay, etc.
• Launched a smart Content Distribution Network - Page Speed Service, to speed up web pages by 50%, by applying web performance best practices.

Sep 2007 – May 2010 · 2 yrs 8 mos

• Consolidated frontend platform teams that served hundreds of internal developers and hundreds of millions of end users on Search, Youtube, GMail, Calendar, Slides, Spreadsheets, Maps, Chrome, News, Picasa, Google+, etc.
• Led JavaScript tools and libraries used across Google: Closure Compiler, Closure Library, Closure Templates.
• Ideated and built Marketplace services for users to discover extensions to Google Apps, web Apps on Chrome App Store.