Backend · Commerce

E-commerce Backend

A scalable commerce backend covering REST API design, JWT auth, order flow, and PostgreSQL optimization.

Backend Developer

Node.js
Express
NestJS
JWT
PostgreSQL

Overview

A scalable backend system for an e-commerce web application built with Node.js, covering REST API design, JWT authentication, order and user management, and PostgreSQL query optimization.

Highlights

Complete REST API architecture on Express / NestJS
JWT-based authentication and authorization
Order processing, inventory management, and user administration
Optimized complex PostgreSQL queries for high throughput

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