Production · Android Companion ExtensionMobile Extension

Mobile Sales & Inventory (Mobile Extension)

Extending Enterprise Sales & Stock Operations to Android

Role & ScopeSenior Software Engineer & Architecture
DomainMobile Extension
StatusProduction · Android Companion Extension
Core StackAndroid Integration · React / Mobile Hybrid · RESTful API Sync

The Challenge / Problem

Field sales reps and warehouse staff needed on-the-go access to inventory availability, client balances, and mobile invoice generation without carrying bulky hardware.

Architecture & Design

Hybrid mobile frontend communicating with the central ERP REST API, designed for route salespeople and warehouse operators.

Engineered Solution

Built a mobile companion application that connects directly to the core sales platform backend, facilitating field sales, on-site order capture, and remote barcode scanning.

Key Capabilities

On-the-Go Product Catalog & Stock Check
Mobile Order Capture & Direct Invoicing
Customer Credit Ledger Lookup in the Field
Optimized Mobile Connectivity & Efficient Sync
Barcode Capture & Ticket Receipt Printing

Engineering Challenges

Challenge 1: Low-latency API sync over fluctuating mobile data connections in delivery routes.
Challenge 2: Barcode scanning and mobile thermal receipt printing integration in warehouse operations.
Challenge 3: Efficient state reconciliation with central stock upon reconnect.

My Role & Contribution

Mobile extension development: built user-friendly mobile screens, engineered lightweight REST synchronization endpoints in Node.js, and implemented warehouse barcode scanning flows.

Technologies

Android IntegrationReact / Mobile HybridRESTful API SyncNode.jsSQL Server

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