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Featured Project
POS System
A point-of-sale system project focused on backend architecture, transactional checkout, stock ledger, promo rule engine, bundling, RBAC, audit trail, real-time stock updates, and cashier shift closing workflows.
POSBackendSystem DesignInventoryRBACAudit Trail
Project Type
Backend-focused POS system
Role
Backend System Developer
Tech Stack
React 18Redux ToolkitReact Router DOMReact ReduxAxiosTailwind CSS ViteBootstrapReact BootstrapFormikYupReact TableReact ToastifyLucide ReactReact IconsGSAPSocket.io ClientNode.jsExpress.jsSequelizeMySQL2RedisSocket.ioREST APIJWTbcryptjsJoiMulterCookie ParserCORSDatabase TransactionInventory SystemPromo EngineBackend Architecture
Main Features & Concept
Stock ledger for every stock mutation
Transactional checkout with rollback safety
Idempotent checkout to prevent duplicate transactions
Promo rule engine
Product bundling engine
Role-based access control
Audit trail
Real-time stock and sales update
Redis cache concept
Shift closing
Cash drawer report
Refund and void transaction flow
Future Improvement
Purchase order workflow
Sales forecasting dashboard
Multi-branch inventory synchronization
Project Gallery
Project screenshots will be added later.