DOU Vacancy Analyzer

Automated tool for analyzing .NET job vacancies from DOU.ua with AI-powered matching and response tracking.

Features

🔍 Vacancy Analysis

• AI-powered categorization (Backend, Frontend, Fullstack, Desktop, QA)
• Experience level detection (Junior, Middle, Senior)
• English level analysis (from job descriptions)
• Technology stack detection (modern vs outdated)
• Smart matching against your criteria

📊 Statistics & Analytics

• Match percentage calculation
• Technology trends analysis
• Experience level distribution charts
• Vacancy count history with timeline graphs
• Active vs inactive vacancy tracking

🎯 Response Management

• Track applications with database storage
• Filter by response status (All, Responded, Not Responded)
• Visual indicators for responded vacancies
• Real-time status updates without caching

📈 Historical Data

• Vacancy count trends over time
• Automatic deactivation of removed vacancies
• New vacancy detection between runs
• Timeline visualization of job market changes

⚡ Performance

• Parallel processing for faster analysis
• Rate limiting to avoid API blocks
• Progress tracking with real-time updates
• Optimized database queries with indexes

Quick Start

1. Configure OpenAI API in appsettings.json
2. Run migrations: dotnet ef database update
3. Start application: dotnet run
4. Visit: http://localhost:5000

Usage

Analysis Modes

• Test Analysis - Analyze 5 random vacancies
• Full Analysis - Complete job market scan
• Fast Analysis - Parallel processing mode

Filtering Options

• View all vacancies or filter by response status
• Only active vacancies shown (removed ones hidden)
• Real-time filtering without page refresh

Charts & Insights

• Experience level distribution (pie chart)
• Technology trends analysis
• Vacancy count history (line chart)
• Match rate statistics

Technology Stack

• Backend: ASP.NET Core 8, Entity Framework, SQLite
• AI: OpenAI GPT-4 for intelligent analysis
• Frontend: JavaScript, Chart.js, Bootstrap 5
• Real-time: SignalR for progress updates

Database Schema

• Vacancies - Job postings with analysis results
• VacancyResponses - Application tracking
• VacancyCountHistory - Historical statistics

API Endpoints

• POST /Home/StartAnalysis - Run full analysis
• GET /Home/GetVacancyResponses - Get response status
• POST /Home/ToggleVacancyResponse - Update response status
• GET /Home/GetVacancyCountHistory - Historical data

Configuration

{
  "OpenAI": {
    "ApiKey": "your-openai-api-key",
    "Model": "gpt-4"
  }
}