Platform Foundation

Enterprise-Grade Open-Source Components

High-quality, thoroughly tested components you can trust. Inspect the code, understand the architecture, and build with confidence.

Technology Stack

Modern Production-Ready Technologies

Cutting-edge frontend with mature backend. Built for performance, scalability, and developer experience.

Core Technology Stack

  • Java 21 LTS - Modern language features & long-term support
  • Spring Boot 3.5 - Enterprise-grade application framework
  • Tactical Domain Driven Design - Clean architecture with entities, aggregates, and repositories
  • React 19 - Latest with concurrent features & server components
  • TypeScript 5.9 - Strict type safety with latest language features
  • Event-Driven Architecture - RabbitMQ messaging for loose coupling
  • PostgreSQL 15+ - Robust ACID-compliant database

Modern Frontend Tooling

  • TanStack Ecosystem - Router, Query, Table for type-safe data flow
  • Feature-Sliced Design - Scalable architecture methodology
  • Mantine UI v8 - Complete component library with theming
  • Vite 7 + SWC - Lightning-fast builds and HMR
  • Storybook 8 - Component development in isolation

Cloud-Native & DevOps

  • Kubernetes Ready - Helm charts, health checks, graceful shutdown
  • Docker Containers - Multi-stage builds, optimized images
  • Cloud Agnostic - AWS, Azure, GCP, on-premises deployment
  • Docker Compose - Complete local development environment
  • GitHub Actions - CI/CD pipelines and automated deployment
  • Infrastructure as Code - Terraform and configuration templates

Domain-Driven Design

  • Tactical DDD Patterns - Entities, aggregates, value objects, repositories
  • Clean Architecture - Domain layer isolated from infrastructure concerns
  • Domain Events - Decoupled communication between bounded contexts
  • Aggregate Boundaries - Consistent business rules and data integrity
  • Repository Pattern - Clean data access abstraction
  • Specification Pattern - Flexible business rule composition

Infrastructure & Observability

  • PostgreSQL & Redis - Scalable data layer with caching
  • RabbitMQ - Reliable message broker for events
  • OpenTelemetry - Distributed tracing & observability
  • Prometheus & Grafana - Metrics and monitoring dashboards
  • Health Checks - Kubernetes-ready liveness/readiness probes
  • Structured Logging - JSON logs for centralized aggregation
Platform Components

Production-Ready Microservices

Six specialized microservices working together to provide a complete SaaS platform.

User Service

Centralized Authentication & Identity Management

  • • JWT-based authentication with RSA256
  • • Email verification and password reset
  • • Role-based access control (RBAC)
  • • Multi-tenant user management
  • • Domain-driven entities and aggregates
  • • Account security and audit logging

API Gateway

Reactive API Gateway & Traffic Management

  • • Intelligent request routing
  • • Redis-backed rate limiting
  • • Circuit breaker protection
  • • JWT validation and user context
  • • Correlation ID tracking

Billing Service

Payment Processing & Financial Operations

  • • Stripe Payment Intents integration
  • • Subscription management and billing
  • • Merchant onboarding (Stripe Connect)
  • • Invoice generation and tracking
  • • Multi-gateway support and refunds

CRM Contact Service

CRM Contact Management & Operations

  • • Comprehensive contact CRUD operations
  • • Bulk operations (up to 100 contacts)
  • • Lead conversion tracking
  • • Company association management
  • • Lead scoring and status updates

CRM Lead Service

Lead Capture & Qualification System

  • • Lead management with scoring (0-100)
  • • Multi-source lead tracking
  • • Lead qualification workflows
  • • Sales representative assignment
  • • Activity tracking and notes

CRM Pipeline Service

Sales Pipeline & Analytics Dashboard

  • • Customizable pipeline stages
  • • Follow-up scheduling and reminders
  • • Conversion metrics and analytics
  • • Activity logging and audit trails
  • • Real-time dashboard statistics
API Quality & Testing

Enterprise-Grade Quality Assurance

Comprehensive testing infrastructure and code quality tools ensure production-ready reliability.

OpenAPI & Contract Testing

Comprehensive API documentation and validation

  • OpenAPI 3.0 Specifications - Complete API documentation with Swagger UI
  • Contract Testing - API specification compliance validation
  • RFC 9457 Compliance - Standardized error responses with Problem Details
  • Interactive Documentation - Swagger UI endpoints on all services
  • Schema Validation - Request/response validation with examples

Multi-Layer Testing Strategy

Comprehensive test coverage across all layers

  • Unit Tests - JUnit 5 with Mockito for service logic
  • Integration Tests - Testcontainers with PostgreSQL
  • E2E Testing - Playwright for complete user workflows
  • Architecture Tests - ArchUnit for boundary validation
  • Frontend Testing - Vitest with jsdom and Testing Library

Backend Code Quality

Automated quality enforcement and analysis

  • JUnit 5 & Mockito - Comprehensive unit test coverage
  • Testcontainers - Real database integration testing
  • JaCoCo Coverage - 50-80% minimum coverage thresholds
  • SonarQube Analysis - Quality gates and technical debt tracking
  • CheckStyle - Google Java Style Guide enforcement

Frontend Testing Excellence

Modern testing tools for React applications

  • Playwright E2E - Multi-browser testing (Chrome, Firefox, Safari)
  • Vitest - Fast unit testing with v8 coverage
  • Mock Service Worker - API mocking for development and testing
  • Testing Library - Component testing with user-centric approach
  • Prettier & ESLint - Code formatting and quality enforcement
Quality Assurance Tools

Production-Ready Quality Standards

Automated quality enforcement with industry-standard tools and comprehensive reporting.

SonarQube

Quality gates, technical debt tracking, and security vulnerability detection

CheckStyle

Google Java Style Guide enforcement with automated formatting validation

JaCoCo

Code coverage analysis with configurable thresholds and detailed reporting

Maven Enforcer

Dependency management, version consistency, and build environment validation

Quality Metrics & Standards
Code Coverage
  • • User Service: 50% minimum
  • • Gateway Service: 80% minimum
  • • Frontend: Configurable via Vitest
Testing Standards
  • • Unit tests: Service logic & repositories
  • • Integration: Database interactions
  • • E2E: Complete user workflows
Security & Performance
  • • JWT RSA256 encryption
  • • Multi-tenant data isolation
  • • Audit logging & monitoring
Deployment & Development

From Local Dev to Production

Seamless experience from your laptop to Kubernetes clusters. Cloud-agnostic design works everywhere.

Local Development

Get running in under 5 minutes

  • Docker Compose - Complete stack with one command
  • Hot Reload - Frontend and backend live updates
  • Integrated Debugging - Full IDE support
  • Test Data - Pre-populated for immediate testing
  • All Services - Database, cache, messaging included

Production Deployment

Kubernetes-ready, cloud-agnostic

  • Kubernetes Manifests - Helm charts and YAML configs
  • Multi-Cloud Support - AWS, Azure, GCP, on-premises
  • Health Checks - Liveness and readiness probes
  • Graceful Shutdown - Zero-downtime deployments
  • Auto-scaling - HPA and resource management

CI/CD Pipeline

Automated testing and deployment

  • GitHub Actions - Pre-configured workflows
  • Multi-stage Testing - Unit, integration, E2E
  • Security Scanning - Vulnerability detection
  • Docker Registry - Automated image builds
  • Environment Promotion - Dev → Staging → Prod

Monitoring & Observability

Production-ready monitoring stack

  • Prometheus Metrics - Application and infrastructure
  • Grafana Dashboards - Pre-built visualizations
  • Distributed Tracing - OpenTelemetry integration
  • Structured Logging - JSON logs with correlation IDs
  • Alerting - Configurable alerts and notifications
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Development Services

Need Help with Implementation?

Our expert development teams can help you implement, customize, or extend the platform for your specific needs.

Email: contact@dimdnk.com

Custom Development Teams

Dedicated teams for platform implementation and customization.

Individual Specialists

Expert Java, React, DevOps engineers, and solution architects.

Technical Consulting

Architecture reviews and strategic guidance for modern platforms.

Complete Platform

Frontend Applications Included

Three applications demonstrating the platform's capabilities.

Authentication Portal

Dedicated auth gateway with multi-tenant support

Main Application

Complete SaaS dashboard with CRM, billing, and analytics

Mobile Application

Android app with Kotlin and Jetpack Compose

Enterprise-Grade Production-Ready Multi-Tenant Scalable Modern
Perfect For

Who Benefits from IQ Key Value

Whether you're building a SaaS product, need a reliable foundation, or want to learn from high-quality open-source code, our platform provides the foundation you can trust.

Why Choose IQ Key Value

Built for Production

Open-source foundation with enterprise-grade quality and developer experience.

Open-Source Quality

MIT licensed with complete transparency and enterprise-grade standards.

Developer Experience

Docker Compose for local development, Kubernetes-ready for production.

Full Observability

OpenTelemetry tracing, Prometheus metrics, and Grafana dashboards.