Full Stack Engineer

Sumer is a full-stack e-commerce platform designed to provide a seamless online shopping experience for customers while enabling efficient product, order, and payment management for administrators and vendors. The system supports end-to-end online retail operations, including product browsing, secure checkout, payment processing, inventory tracking, and order fulfillment.Core Features 1. Customer Experience User registration and authentication (JWT / OAuth2 secured) Browse products by category Advanced product search and filtering Product detail pages with images and descriptions Shopping cart management Secure checkout and payment integration Order tracking and history Wishlist functionality 2. Product & Inventory Management Admin dashboard for product CRUD operations Category management Stock level tracking Inventory alerts for low stock Bulk product upload support 3. Order Management Order creation and confirmation Real-time order status updates (Pending, Paid, Shipped, Delivered, Cancelled) Invoice generation Refund handling Order analytics and reporting 4. Payment Integration Integration with multiple payment gateways such as: Stripe PayPal Ozow Secure transaction handling Payment status verification Webhook processing for asynchronous payment confirmation 5. Architecture The Sumer platform follows a microservices-based architecture: API Gateway User Service Product Service Order Service Payment Service Notification Service Service discovery via Eureka Centralized configuration management Asynchronous messaging using RabbitMQ MySQL for persistent storage Dockerized deployment Frontend is built using: React or Angular for dynamic UI RESTful API integration Real-time updates via WebSocket (for notifications and order status) Backend is implemented using: Spring Boot (Java 17+) RESTful APIs Role-based access control (RBAC) Secure token-based authentication 6. Security OAuth2 authentication JWT authorization Encrypted password storage (BCrypt) HTTPS communication Role-based access control (Admin, Customer, Vendor) 7. Scalability & Performance Horizontally scalable microservices Stateless services Caching layer (e.g., Redis) Load-balanced deployments Cloud-ready (AWS / Azure) Business Value Sumer enables: Businesses to sell products online efficiently Customers to shop securely and conveniently Administrators to manage operations centrally Real-time analytics for better decision-making