Juan Manuel Carpio Báez

AI-powered medcommerce platform for 4,000+ aesthetic and wellness practices. $3B+ in practice revenue. Series A funded. On the payments team: refactored the promo codes module to match current business rules, fixed a long-standing Stripe webhook bug recording transactions without payouts, and implemented the Affirm BNPL integration end-to-end (.NET webhook contract on the backend, React checkout on the frontend). Shipped the patient onboarding rebuild (QR login, personalized flows, AI chat) and contributed to the referral and rewards system.

B2B workspace reservation platform for enterprise hybrid work management during the post-COVID transition. Led the app rewrite on React Native (mobile) and React (web) with a team of 10 engineers. Load time dropped about 40%. Built a shared component library reaching 60%+ code reuse between mobile and web, with TanStack Query for shared data fetching and Zustand for client state. Built calendar integration (Outlook, Google) and real-time availability across web, mobile, and admin.

All-in-one asset, fleet, and inventory software with real-time monitoring. Led the React Native mobile app used by field workers tracking assets in real time. Built navigation and Redux state. Team of 10 across the company. Shipped features across 10+ sub-projects: web platform, alerts engine, push notifications, and JS/Node SDKs. Built white-label versions for enterprise clients.

Creative agency working with luxury and consumer brands across arts and technology. Shipped 14+ projects in 16 months: event platforms, restaurant apps, crypto tools, and AR experiences. Built a real-time event app for 1,000+ attendees with live Q&A and speaker interaction. Led the RealTime TV website redesign, improving navigation for millions of viewers.

Italy's leading comparative platform for automotive repair quotes, with nationwide coverage. Featured on RAI 1, ANSA, and Wired Italia. Led the full frontend rebuild with Angular. Better UX, mobile-first. SEO work increased organic traffic about 35%. Set up unit testing and multi-browser compatibility.