Piyush Gupta
Senior Engineering Manager - Expedia
Delhi, India
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Piyush is a Technology and People leader with ~13 years of experience in building products from 0 to 1 and scaling from 1 to X.
And when not working, Piyush enjoys working out, strumming a tune on his guitar, getting some extra sleep or catching up on latest web standards.
Area of Expertise
Topics
OPFS: Redefining Browser Storage for High-Performance Apps
Building high-performance web applications often hits a wall when it comes to storage. Traditional browser storage solutions like IndexedDB and LocalStorage are constrained by performance bottlenecks, memory limitations, and inefficiencies that can make advanced use cases—like video recording or large file manipulation—frustrating or impossible.
Enter the Origin Private File System (OPFS), a game-changing web API designed to bring native-like storage performance to the browser. In this talk, we’ll demystify OPFS, explore its key features such as in-place writes and sandboxed security, and demonstrate its real-world impact through engaging demos. Learn how industry leaders like Photoshop and SQLite use OPFS to push the boundaries of what’s possible on the web. By the end of this session, you’ll be equipped with practical knowledge to start using OPFS in your own projects and a clear understanding of when and why to choose it over other storage solutions.
Target Audience: Developers interested in optimizing web app performance or exploring the latest advancements in browser storage APIs.
Built-In AI in the Browser: Practical Capabilities for Modern Web Apps
AI features are becoming common in web applications, but most implementations still rely on server-side models and external services. Recently, browsers have started experimenting with built-in AI capabilities that run directly on the user’s device, introducing a new option for developers building AI-powered user experiences.
In this talk, we’ll explore what built-in AI in the browser looks like today through concrete examples. We’ll focus primarily on Chrome’s built-in AI APIs, powered by an on-device language model called Gemini Nano that is downloaded on demand, and briefly touch on similar experiments in other browsers, such as Microsoft Edge’s work with on-device models like Phi Mini-4.
These browser-provided APIs enable practical tasks such as text summarization, writing and rewriting assistance, language detection, translation, and multimodal prompts that work with text, images, and audio. We’ll look at how these capabilities are already being used in real products, for example, summarizing reviews, assisting content creation, translating multilingual input, and generating image descriptions.
This session focuses on understanding the tools themselves: what problems they’re good at, what trade-offs come with running AI on-device, and how developers can evaluate built-in browser AI alongside other approaches they may already be using.
By the end of the talk, you’ll have a clear, practical understanding of what built-in AI in the browser can do today and how to reason about using it in your own applications.
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