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Abdul Rahim

Senior Software Engineer specializing in NestJS & PostgreSQL, building secure enterprise applications.

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LOGISTICS TRACKING

Physical Document Tracking System

Courier-integrated document tracking platform monitoring physical document movement through courier services with barcode scanning, real-time tracking, approval flows, and complete chain of custody.

2022
Logistics Tracking

Representative interface preview

01

The Challenge

Blind spot once packages left internal custody

Manual signatures on paper delivery slips

Returns of originals inconsistently tracked

Legal teams needed proof of delivery in disputes

Multiple courier vendors with different tracking habits

Mobile
React Native
Sync
Firebase
Backend
Node.js
Labels
Barcode
Physical Document Tracking System - Feature 1
02

The Approach

1

Mapped mailroom → courier → recipient → return paths

2

Built driver scan app for milestone events

3

Linked carrier tracking numbers where APIs existed

4

Recipient portal for sign-off and return requests

5

Alerts on overdue legs of the journey

Physical Document Tracking System - Feature 2
03

The Solution

Barcode per outbound package

Scan events at pickup, hub, and delivery

GPS snapshots during transit where enabled

Digital delivery confirmation

Return label workflow for originals

Unified timeline beside digital transmittals

Technical Implementation

React Native
Node.js
Firebase Realtime Database
Google Maps API
PostgreSQL
Barcode scanner SDK
Physical Document Tracking System - Feature 3
04

Implementation

Integrations with major carrier tracking APIs

Mailroom and driver training on scan discipline

Overdue and return reminders automated

Pilot courier before full vendor mix

Physical Document Tracking System - Feature 4
05

The Results

Custody
Scan-based
Confirmation
Digital
Returns
Tracked
Alerts
Automated
GALLERY

Project Showcase

A visual journey through the development process

Technologies Used

Built with modern, scalable technologies

React Native
Node.js
Firebase
Google Maps API
PostgreSQL
Barcode Scanner

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