A modern B2B-oriented eCommerce platform for wholesale wood and sheet materials. • Developed from scratch using Next.js (frontend) and NestJS + PostgreSQL (backend). • Implemented dynamic catalog with filtering, search, and custom pricing logic. • Created a full-featured admin panel to manage products, orders, and clients. • Integrated authentication, roles, and secure file uploads. • Built a custom import system to process product data from 1C into the platform. • Optimized for speed and SEO, using SSR and clean URL structure.