Contributed to products that helped our team become profitable and grow from 100 MAU to 3k+ MAU as part of the engineering team. Integrated major payment providers and built core payment services, processing 70k transactions/month with a GMV of 10 Cr monthly. Built custom OTP authentication and access control systems, handling 100k+ requests/day across multiple products. Developed the entire frontend for Swift's Checkout system for Shopify and WooCommerce. Created the mobile app version of Swift's seller dashboard using React Native for both Android and iOS platforms. Enhanced customer success team efficiency and reduced costs by up to 50% by developing an Internal Escalation Management System, streamlining the handling of daily escalations across teams. Developed an analytics library to track customer behavior and conversions across different platforms, including Google Analytics, Google Ads, and Facebook Pixel. Reduced dashboard development time by 80% by contributing to Swift's Component Library, which includes grids, filters, icons, and common hooks. Developed a centralized dashboard for consumers to manage their orders, addresses, and payments across multiple channels. Developed Configurable UI that enables sellers to customize the Checkout interface according to their specific needs.