Experienced full-stack developer required to transform an existing Blood Bank Management System into a modern Blood Donation & Emergency Response Platform. Deliverables include Next.js TypeScript frontend with Tailwind and Shadcn UI, NestJS backend with Prisma and PostgreSQL, Redis and Socket.io for real-time inventory, geolocation-based donor discovery, appointment booking, push/email/SMS alerts, AI-powered donor matching and analytics, gamified donor engagement, responsive accessible UI, documentation, and optional React Native mobile support.