Data Architecture

Comprehensive Data Models, Processing, and Management

Data Architecture Overview

RoleFerry's data architecture is designed to handle complex recruitment data with high performance, scalability, and data integrity.

📊 Data Flow Architecture

graph TB subgraph "Data Sources" A[Resume Uploads] B[Job Descriptions] C[User Profiles] D[External APIs] end subgraph "Processing Layer" E[AI Analysis] F[Data Validation] G[Match Scoring] H[Content Generation] end subgraph "Storage Layer" I[PostgreSQL] J[Redis Cache] K[File Storage] L[Search Index] end subgraph "Output Layer" M[Email Campaigns] N[Analytics Dashboard] O[API Responses] P[Reports] end A --> E B --> E C --> F D --> F E --> G F --> G G --> H H --> I I --> J I --> K I --> L J --> M K --> N L --> O I --> P

📊 Data Flow Architecture

Data Ingestion

Real-time data collection from resumes, job postings, and user interactions

Data Processing

AI-powered parsing, analysis, and enrichment of recruitment data

Data Storage

Multi-tier storage with PostgreSQL, Redis, and S3 for different data types

Data Analytics

Real-time analytics and reporting for recruitment insights

Database Schema

Core Entities

  • Users: Job seekers, recruiters, and administrators
  • Profiles: Candidate profiles with skills, experience, and preferences
  • Jobs: Job postings with requirements and company information
  • Matches: AI-generated matches between candidates and jobs
  • Campaigns: Email outreach campaigns and sequences
  • Analytics: Performance metrics and tracking data

Data Relationships

  • One-to-Many: User → Profiles, User → Campaigns
  • Many-to-Many: Profiles ↔ Jobs (through matches)
  • Hierarchical: Company → Jobs → Applications
  • Temporal: Campaign history and analytics over time

Data Storage Strategy

PostgreSQL (Primary Database)

  • Structured Data: User profiles, job postings, matches
  • ACID Compliance: Transactional integrity
  • Indexing: Optimized for recruitment queries
  • Backup: Automated daily backups with point-in-time recovery

Redis (Caching Layer)

  • Session Storage: User sessions and authentication
  • Query Caching: Frequently accessed data
  • Real-time Data: Live updates and notifications
  • Rate Limiting: API throttling and protection

AWS S3 (File Storage)

  • Resume Files: PDF, DOC, and other document formats
  • Generated Assets: AI-created pitch materials
  • Backup Storage: Long-term data archival
  • CDN Integration: Fast global content delivery

Data Processing Pipeline

Real-time Processing

  • Stream Processing: Apache Kafka for event streaming
  • Message Queues: Celery for asynchronous tasks
  • WebSockets: Real-time updates to frontend
  • Event Sourcing: Audit trail and data lineage

Batch Processing

  • ETL Pipelines: Data extraction and transformation
  • Scheduled Jobs: Daily analytics and reporting
  • Data Warehousing: Historical data analysis
  • ML Training: Model retraining and updates

Data Security & Compliance