🔵 Extracted and modernised code from Base44 into a production-grade Next.js frontend architecture. 🔵 Engineered full-stack Smart Pages, Funnel Builders, and Link-in-Bio tools with CRUD workflows, server actions, and customizable templates. 🔵 Built full automated webinar systems, including interactive watch rooms featuring real-time watch-time tracking, device detection, CTA triggers, and comment moderation. 🔵 Architected relational database schemas and migrated backend queries from Drizzle ORM to Supabase to support high-throughput session tracking and user analytics. 🔵 Optimized state management and polling performance across real-time session workflows using React Query and Supabase realtime subscriptions. 🔵 Developed global styling systems from Figma dev-mode tokens and established automated E2E testing pipelines using Playwright. 🔵 Documented end-user system architecture and UX flows for messaging infrastructure and integrated Next.js middleware public routing.