Led development of 6 cross-browser extensions used by 50,000+ users, enabling full customization of social media experience. Designed and implemented an admin panel enabling the team to track and resolve 50+ bugs and deliver 10+ user-requested features. Built an end-to-end testing infrastructure using Selenium that reduced bug reports by 20%. Shipped an OpenAI-powered feature for automatic YouTube video translation and summarization — driving 500+ new Pro subscriptions. Collaborated on a full architectural refactor alongside the team lead and mobile development team — reducing server load by 30% and eliminating a critical bug causing 2–3 second load delays on mobile devices. Proposed and implemented an admin panel feature enabling the team to ship targeted bug-fix releases without dire

Developed a product-grade crypto escrow platform enabling secure peer-to-peer transactions with on-chain settlement. Enhanced application security by developing a 2FA module and integrating hardware security key support via YubiKey. Collaborated across front-end and back-end teams to develop and integrate crypto deposit and withdrawal modules into the user account system. Implemented a users chat using Socket.io and Http requests. Built and documented 40+ reusable components in an internal component library using Storybook. Boosted Core Web Vitals by 40% on mobile and desktop — through image delivery optimization, eliminating unnecessary code loading, and caching heavy operations using Service Workers.