Full-stack agricultural platform built for farmers, cooperatives, merchants, and institutional partners. Developed from scratch, covering warehouse management with FIFO stock tracking, a B2B marketplace, QR code traceability with HMAC security, role-based access control, a subscription/billing system with automated payouts, bulk import with localized validation, and government-grade PDF/Excel reporting dashboards tailored for institutional partners. Delivered for a US-based client as part of a $3,000+ engagement.