Summary
Product Engineer for quso web app
Highlights
Contributed to scaling an existing React & TypeScript video editing platform by integrating Fabricjs for dynamic canvas overlays and WebAssembly powered FFmpeg for in-browser encoding; optimized virtual DOM rendering and offloaded heavy encoding to Web Workers to achieve real-time previews, modular effects; and enhanced bundle performance through code-splitting, lazy loading, and React.memo/useCallback for unnecessary component renders.
Implemented Firebase Authentication via a custom self-hosted proxy server to power secure sign-up and login flows, including email verification, password resets, and user profile management (e.g., email and username updates).
Enhanced performance and Core Web Vitals by optimizing video playback, implementing code splitting, and utilizing lazy loading and virtualization—achieving faster page loads and smooth playback for over **1M+** monthly users.
Integrated and managed payment and analytics platforms, including Paddle for subscriptions, ChartMogul for revenue tracking, and MoEngage for user engagement; implemented Google Ads, Meta Business Suite, and TikTok for campaign attribution; and configured Mixpanel for end-to-end data tracking and actionable insights.