▪ Take over and led migration of legacy design system to Tailwind, reducing both JS and CSS bundle size by over 10%

▪ Migrate legacy image rendering service to new micro service, reducing cost by 50% while improving latency and throughput by 30%

▪ Led a team of 4 engineers migrating web pages to Next.js, achieving a 90% reduction in load times and a perfect 100% PageSpeed score

▪ Designed and implemented a scalable sitemap generation system that accommodates over one million new web pages per week

▪ Overhauled legacy tooling by switching to faster package managers, updating formatters and linters, and migrating to Typescript, resulting in 50% faster CI/CD pipelines and 15% lower error rate

▪ Improved targeted advertising capabilities to include user location, language and interests, resulting in a 20% increase in ad engagement

▪ Revamped SEO strategy by integrating modern standards and streamlining website architecture, achieving a 20% increase in organic traffic and a 10% boost in conversion rates within 6 months

▪ Built a comprehensive iOS app from an existing web product, achieving 100% feature parity with the mobile version and 80% feature parity with the desktop version

▪ Upgraded the build process to Webpack 5, optimizing existing configurations and bring down the overall bundle size by 30%, improving both in-app performance and decreasing download time for users

▪ Modernized and abstracted the popover system, reducing over 200 lines of boilerplate code per instance, which simplified the codebase and enhanced maintainability

▪ Managed a library of 20 native Android and iOS apps, overseeing the deployment of updates and bug fixes for over 100,000 users

▪ Implemented a robust real-time multiplayer server capable of supporting over 1000 concurrent users, ensuring high availability and low latency

▪ Created a reusable Unity library for login and payment processing, reducing development time by 30% and cutting over 1000 lines of redundant code per project