Levi DeHaan

Greenwich.HR Labor Market Intelligence Platform

Scalable web scraping and data analysis platform for tracking labor market changes across thousands of websites with automated job processing and customer management

Status: completed · 2019-08-20

Overview

Greenwich.HR is a comprehensive labor market intelligence platform that automatically monitors thousands of websites for job market changes, providing real-time insights into employment trends, salary data, and market dynamics.

Technologies

Python, AWS ECS, Docker, PostgreSQL, Redis, Scrapy, Apache Airflow, React, Machine Learning

Websites Monitored
10,000+
Jobs Processed Daily
1M+
Data Processing Speed
+300%
Customer Insights
24/7

Greenwich.HR - Labor Market Intelligence Platform

Greenwich.HR is a comprehensive data intelligence platform that provides real-time labor market insights by automatically monitoring and analyzing job postings, salary trends, and employment data across thousands of websites worldwide.

Developed at: Enable Data Consulting (2018-2020)

Key Features

🕷️ Large-Scale Web Scraping

  • Thousands of Sources: Monitor job boards, company websites, and employment platforms
  • Real-time Processing: Continuous monitoring with immediate change detection
  • Anti-Detection Systems: Advanced techniques to avoid scraper detection and blocking
  • Data Quality Assurance: Automated validation and cleaning of scraped data

🚀 Scalable Infrastructure

  • AWS ECS Orchestration: Manages thousands of concurrent scraping jobs
  • Dynamic Scaling: Automatic scaling based on workload and data volume
  • Job Queue Management: Intelligent job scheduling and prioritization
  • Progress Tracking: Real-time monitoring of scraping job progress and status

📊 Labor Market Analytics

  • Trend Analysis: Identify emerging job trends and market shifts
  • Salary Intelligence: Track compensation changes across industries and regions
  • Skills Demand: Monitor demand for specific skills and technologies
  • Geographic Insights: Regional employment and salary analysis

🏢 Customer Management System

  • Multi-Tenant Architecture: Isolated data and reporting for each customer
  • Custom Dashboards: Personalized analytics dashboards for each client
  • API Access: RESTful APIs for programmatic data access
  • Automated Reporting: Scheduled reports and alerts for key metrics

Technical Architecture

Scraping Engine

  • ECS Task Orchestration: Managed thousands of concurrent web scraping jobs using AWS ECS
  • Queue Management: Implemented job queuing system with Redis for task distribution
  • Progress Tracking: Real-time monitoring and status updates for all scraping operations
  • Data Processing: Automated cleaning, validation, and insight extraction from scraped data

Data Processing Pipeline

  • Natural Language Processing: Extracted structured data from unstructured job postings
  • Machine Learning Classification: Automated categorization of jobs by industry and type
  • Duplicate Detection: Advanced algorithms to identify and eliminate duplicate postings
  • Data Validation: Multi-layer validation to ensure data quality and accuracy

Infrastructure & Scalability

AWS ECS Job Management

  • Task Orchestration: Manage thousands of concurrent scraping tasks
  • Resource Optimization: Dynamic resource allocation based on job requirements
  • Auto-scaling: Automatic scaling of ECS tasks based on queue depth
  • Cost Optimization: Spot instances for cost-effective large-scale processing

Queue Management System

  • Priority Queues: Prioritize high-value sources and urgent customer requests
  • Rate Limiting: Respect website rate limits and avoid blocking
  • Retry Logic: Intelligent retry mechanisms for failed scraping attempts
  • Dead Letter Queues: Handle and analyze failed jobs for improvement

Data Storage Strategy

  • PostgreSQL: Structured data storage for job postings and analytics
  • Redis: Caching and queue management for high-performance access
  • S3: Raw data storage for archival and reprocessing
  • ElasticSearch: Full-text search capabilities for job content

Customer Features

Multi-Tenant Dashboard

  • Custom Views: Personalized dashboards for each customer's needs
  • Real-time Updates: Live data feeds and real-time notifications
  • Interactive Filters: Dynamic filtering by location, industry, salary, etc.
  • Export Capabilities: CSV, PDF, and API data export options

API Integration

  • RESTful APIs: Provided programmatic access to labor market data and insights
  • Customer Authentication: Secure API access with customer-specific data scoping
  • Flexible Endpoints: Multiple API endpoints for different data access patterns
  • Real-time Data: APIs delivered real-time labor market insights and trends

Automated Alerts

  • Trend Alerts: Notifications for significant market changes
  • Keyword Monitoring: Alerts for specific job titles or companies
  • Salary Alerts: Notifications for salary trend changes
  • Competition Monitoring: Track competitor hiring activities

Business Impact

Market Intelligence Value

  • Real-time Insights: Immediate visibility into labor market changes
  • Competitive Advantage: Early detection of market trends and opportunities
  • Data-Driven Decisions: Evidence-based hiring and compensation strategies
  • Market Positioning: Understanding of competitive landscape

Operational Efficiency

  • Automated Data Collection: Eliminate manual market research
  • Scalable Processing: Handle massive data volumes automatically
  • Customer Self-Service: API and dashboard access reduce support needs
  • Flexible Reporting: Customizable reports for different stakeholder needs

Technical Achievements

  • Massive Scale: Successfully processes millions of job postings daily
  • High Availability: 99.9% uptime with fault-tolerant architecture
  • Cost Efficiency: Optimized infrastructure reduces operational costs
  • Data Quality: Advanced validation ensures high-quality intelligence

Innovation Highlights

Advanced Scraping Techniques

  • Machine Learning: ML-powered content extraction and classification
  • Anti-Detection: Sophisticated techniques to avoid scraper blocking
  • Dynamic Adaptation: Automatic adaptation to website structure changes
  • Quality Assurance: Multi-layer validation for data accuracy

Predictive Analytics

  • Trend Prediction: Machine learning models for trend forecasting
  • Demand Forecasting: Predict future skills and job demand
  • Salary Modeling: Predictive models for compensation trends
  • Market Simulation: Scenario modeling for market changes

This platform revolutionized how Greenwich.HR and their clients understand and respond to labor market dynamics, providing unprecedented visibility into employment trends and enabling data-driven strategic decisions in human resources and talent acquisition.