Backend System
A robust Kotlin/Spring Boot server providing APIs, business logic, and data management for the education monitoring platform with multi-tenant support.
Core Capabilities
Production-tested backend addressing Data-SMARTS requirements
Multi-Tenant Architecture
Complete data isolation between organizations with configurable branding and settings.
Role-Based Access Control
Granular permissions with geographic scope restrictions and feature-level access.
Query DSL
Custom query language for flexible reporting without complex SQL knowledge.
Reporting Engine
Dynamic report generation with customizable templates and export formats.
Soft Delete Pattern
All data is preserved for audit trails with soft deletion across all entities.
Operation-Based API
150+ operations through a consistent, predictable API interface.
System Architecture
┌─────────────────────────────────────────────────────────────────────────────────┐
│ BACKEND ARCHITECTURE │
└─────────────────────────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────────────────────┐
│ API LAYER │
│ │
│ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐ │
│ │ REST API │ │ Operation │ │ Batch │ │ Sync │ │
│ │ Endpoints │ │ DSL │ │ Import │ │ Endpoints │ │
│ └──────┬──────┘ └──────┬──────┘ └──────┬──────┘ └──────┬──────┘ │
└──────────┼─────────────────┼─────────────────┼─────────────────┼──────────┘
│ │ │ │
└────────────────┬┴─────────────────┴─────────────────┘
│
┌───────────────────────────┼───────────────────────────────────────────────┐
│ │ SERVICE LAYER │
│ ▼ │
│ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐│
│ │ Auth │ │ Business │ │ Query │ │ Export ││
│ │ Service │ │ Logic │ │ Engine │ │ Service ││
│ └─────────────┘ └─────────────┘ └─────────────┘ └─────────────┘│
└───────────────────────────┬───────────────────────────────────────────────┘
│
┌───────────────────────────┼───────────────────────────────────────────────┐
│ │ DATA LAYER │
│ ▼ │
│ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐ │
│ │ JPA │ │ Flyway │ │ HikariCP │ │
│ │ Repositories│ │ Migrations │ │ Pool │ │
│ └──────┬──────┘ └──────┬──────┘ └──────┬──────┘ │
└──────────┼─────────────────┼─────────────────┼────────────────────────────┘
│ │ │
└────────────────┬┴─────────────────┘
│
▼
┌─────────────────────┐
│ PostgreSQL │
│ Database │
│ (85+ Entities) │
└─────────────────────┘
Data Model
85+ entities organized into 10 domain groups
API Operations
150+ operations through a consistent, operation-based API interface
School Operations
getSchools()createSchool()updateSchool()mergeSchools()Visit Operations
getVisits()startVisit()completeVisit()validateVisit()Assessment Operations
getAssessments()submitAssessment()scoreSection()exportResults()User Operations
getUsers()createUser()updatePermissions()resetPin()Report Operations
runReport()exportReport()scheduleReport()getDashboard()Sync Operations
syncData()resolveConflicts()getChanges()bulkImport()Technology Stack
Data-SMARTS Requirements Addressed
Data Cleaning
- Real-time validation
- Duplicate detection
- Audit trails
- Review workflows
Analysis & Reporting
- Query DSL
- Dashboard APIs
- Export engine
- Report scheduling
Administration
- Multi-tenant support
- RBAC permissions
- User management
- Geographic hierarchy
AI Integration
- Audio storage
- Data structure for ML
- API extensibility
- Batch processing
Production-Ready Backend
The backend system has been deployed and refined through real-world use across multiple countries.