Warehouse & Order Fulfillment Platform (B2B)

Overview

The client needed a centralized warehouse and order fulfillment system to manage inventory, multi-warehouse operations, and high-volume eCommerce orders while eliminating manual processing and shipping errors.

Client Goals

  • Automated order ingestion from major eCommerce platforms
  • Reduced manual shipping and fulfillment errors
  • Centralized control of multi-warehouse operations
  • Scalable system capable of handling high order volumes

Core features

  • Inventory, SKU, and purchase order management
  • Receiving, picking, packing, shipping, and tracking workflows
  • Multi-warehouse support with locations, bins, shelves, and pallets
  • Role-based access (admin, client, warehouse staff)
  • Real-time dashboards, reports, and email notifications
  • Order lookup, history, returns, and packing slips

Solution

  • Designed and developed a custom B2B warehouse & order fulfillment platform from scratch, enabling end-to-end control over inventory, orders, shipping, and billing from a single dashboard.
  • Implemented mobile scanning apps for barcode/RFID-based workflows with offline sync.
  • Created rule-based order allocation for multi-warehouse fulfillment.
  • Built integrations with the client’s ERP, carrier APIs (UPS/Shippo), and accounting system.
  • Added role-based dashboards for warehouse managers, floor supervisors, and admin.

Results

  • Order accuracy improved from 87% to 99.6% within 3 months
  • Picking efficiency increased by 45%
  • Inventory reconciliation time reduced by 80%
  • Reduced stockouts and shrinkage, improving inventory turnover

Tech Stack

  • Frontend: React + Redux
  • Mobile: React Native (Android-focused scanning), offline sync logic
  • Backend: Node.js + Express
  • Database: PostgreSQL with Redis caching
  • Integrations: REST APIs, Webhooks
  • Hosting: AWS (EC2, RDS, S3), CI/CD with GitHub Actions
Warehouse Management System portal

Custom Web Application Development
API Development & Integration