Scalable Vehicle Inventory Scraping System

AWS
ECS
Docker
NestJS
Node.js
Microservices
Cloud Architecture

Built a high-performance, cost-effective web scraping architecture using AWS ECS and Docker, replacing an expensive third-party service.

Detailed architecture diagram

The Challenge

Marketing company relied on an expensive, unreliable third-party service for collecting vehicle inventory data from dealer websites. The system needed to be more cost-effective and scalable to support growing clientele.

The Solution

Designed and implemented a scalable web scraping architecture using AWS ECS and Docker containers, with permission-based access to dealer inventory data.

Technical Implementation

Built using NestJS for microservices architecture

Implemented job queue system for distributed scraping tasks

Designed auto-scaling container infrastructure using AWS ECS

Created robust error handling and retry mechanisms

Implemented data validation and cleaning pipelines

Impact & Results

Reduced operational costs by 60% compared to third-party solution

Improved data reliability to 99.9% uptime

Scaled to handle 3x more dealer websites without performance degradation

Technical Architecture & Interface

Scraping job dashboard

Scraping job dashboard

System monitoring dashboard

System monitoring dashboard