

Grailed needed to scale their marketplace platform to handle rapid growth in users and transactions. The existing Vue.js frontend was experiencing performance issues with large product catalogs, and the checkout flow had a high abandonment rate. They needed to optimize the user experience without disrupting daily operations.
Built with Vue.js 2 and migrated critical components to TypeScript for better type safety. Used Vuex for state management across the complex marketplace flows. Implemented virtual scrolling using vue-virtual-scroller for product catalogs. JavaScript for custom interactions and form validation.















Optimized product listing pages by implementing virtual scrolling for infinite lists, reducing DOM nodes and improving scroll performance. Refactored the checkout flow to reduce steps and added real-time validation to catch errors before submission. Implemented lazy loading for product images with blur-up placeholders for better perceived performance. Added TypeScript gradually to catch bugs during development.
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