I owned the frontend engineering of checkout, payments, international shipping, and geo-aware experiences across 10 countries, building the cross-border shipping experience from scratch and contributing $5.5M+ in revenue impact. I led the launch of new international markets, built services that reduced bounce rates by 35%, and improved frontend architecture and CI/CD workflows to cut delivery cycles by 70%. I also standardized A/B testing with Statsig and worked across engineering, product, and CMS teams to reduce production incidents by 34%.

I led the engineering and delivery of an executive decision-intelligence platform used across Fortune 500 engagements, defining the architecture and delivery standards for a team of 12 engineers. I built a WCAG AA-compliant Next.js/TypeScript application with Redux Toolkit, achieving 90+ Lighthouse scores while optimizing SSR and edge caching to deliver sub-1s TTFB for time-critical workflows. I also mentored engineers on architecture and ownership, increasing team velocity by 20%.

I built the public web platform for Colombia’s space agency, improving national user reach by 30% and making satellite data accessible through an intuitive ArcGIS-powered interface. I also built a reusable Tailwind CSS component library that reduced cross-team development time by 20% while establishing consistent mobile-first UX standards.

I owned the e-commerce storefront revamp for Jumbo and Easy across Latin America, rebuilding the frontend with React and Next.js to deliver a faster, mobile-first experience for millions of users. I optimized the platform for diverse LATAM network conditions, reducing page load times by 30%, and redesigned checkout and payment flows to cut abandonment and bounce rates by 30%.