This repository is dedicated to all things Java backend development. It covers the essential tools, frameworks, design patterns, and best practices that every Java backend developer should know to build robust, scalable, and maintainable server-side applications.
- Introduction to Java backend ecosystem https://github.com/siddengineer/Java-Backend-Development/blob/main/%F0%9F%8C%90%20Introduction%20to%20Java%20Backend%20Ecosystem
- Overview of popular frameworks like Spring Boot, Jakarta EE, and Micronaut
- RESTful API design and development principles
- Database integration using JPA/Hibernate and SQL/NoSQL options
- Security fundamentals: authentication, authorization, JWT, OAuth2
- Microservices architecture and communication patterns
- Testing strategies with JUnit, Mockito, and integration testing
- Building and managing scalable applications with Docker and Kubernetes
- CI/CD pipelines and deployment best practices
- Performance tuning and monitoring tips
- Java developers new to backend development
- Backend engineers looking to deepen their knowledge
- Students and learners preparing for backend roles
- Architects designing scalable Java backend systems
Java remains one of the most widely-used languages for backend development due to its robustness, rich ecosystem, extensive libraries, and enterprise-grade frameworks. Mastering Java backend development opens doors to building everything from small APIs to complex distributed systems.
| Name | Link |
|---|---|
| User Authentication & Authorization Service | |
| API Gateway (Spring Cloud Gateway) | |
| Configuration Server (Spring Cloud Config) | |
| Service Discovery (Eureka/Kubernetes Service) | |
| Circuit Breaker & Resilience Demo | |
| Inventory Management (Relational DB) | |
| Event Sourcing + CQRS Service | |
| High-Throughput Log Ingestor (NoSQL) | |
| Time Series Storage Backend | |
| Search Service (Elasticsearch) | |
| Order Processing Pipeline (Kafka) | |
| Transactional Outbox Pattern Demo | |
| Email/SMS Notification Service | |
| Payment Processing Microservice | |
| Real-time Chat Server (WebSocket + STOMP) | |
| Audit & Compliance Service | |
| Distributed Tracing Integration | |
| Prometheus Metrics + Grafana Dashboards | |
| Feature Flag Service | |
| Secrets Management Integration | |
| E-commerce Platform Backend | |
| Booking/Reservation System | |
| Billing & Invoicing System | |
| Customer Relationship Management (CRM) Backend | |
| Warehouse Management System | |
| Task Scheduler & Workflow Engine | |
| Document Management + OCR Pipeline | |
| Reporting & Data Export Service | |
| Role-Based Access Control (RBAC) Admin Console API | |
| API Rate Limiter Service | |
| Model Serving API (ML model with Spring Boot) | |
| Data Pipeline Orchestrator (ETL) | |
| A/B Testing Server | |
| Recommendation Engine Backend (batch + online) | |
| Anomaly Detection Alerting Service | |
| Microservices Reference App (Full stack) | |
| Serverless Spring Boot (AWS Lambda via Spring Cloud Function) | |
| GraphQL Backend using Spring for GraphQL | |
| gRPC Microservice with Spring Boot | |
| Multi-tenant SaaS Backend | |
| Contract Testing Platform (Pact) | |
| End-to-End Integration Test Harness | |
| Static Analysis & Code Quality Pipeline | |
| Chaos Engineering Service | |
| Blue/Green & Canary Deployment Demo | |
| IoT Device Telemetry Ingestor | |
| Content Moderation Pipeline | |
| Localization & Internationalization Service | |
| Server Push (SSE) Notifications Backend | |
| Legal & Consent Management Service |