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Build Scalable Java Backend Systems with Spring Boot, Micros
New
14 students

Build Scalable Java Backend Systems with Spring Boot, Micros

Become a Java Backend Engineer: Spring Boot, PostgreSQL, Docker, Microservices, Testing & DevOps
New
Created byMaxwell I-Goertzen
Last updated 6/2026
English

What you'll learn

  • Develop production-ready REST APIs using Java, Spring Boot, Spring MVC, and layered architecture principles (Controller, Service, Repository, and Entity).
  • Design and manage relational databases using PostgreSQL, Spring Data JPA, and Hibernate, including entity relationships, transactions, and advanced querying tec
  • Secure backend applications using Spring Security, implementing authentication, authorization, role-based access control, password encryption, and token-based s
  • Improve application performance by implementing Redis caching strategies, cache eviction policies, and optimized data retrieval techniques.
  • Build event-driven applications using Apache Kafka for asynchronous communication between services and scalable messaging architectures.

Explore related topics

Course content

3 sections • 19 lectures • 1h 39m total length

  • Course Curriculum1:41
  • Course Introduction2:54
  • Creating the BookHub Project with Spring Initializr3:48
  • Understanding the Project Structure and Layers8:40
  • Creating the Dockerfile and Running with Docker14:59
  • Fixing the DataSource Issue and Converting to YAML4:56
  • Creating the First REST API8:19

Requirements

  • Basic Java programming knowledge is recommended. Students should be familiar with Java fundamentals such as variables, classes, objects, methods, loops, and basic object-oriented programming concepts.
  • No prior Spring Boot experience is required. The course starts from the foundation and gradually progresses to advanced backend concepts, including databases, security, caching, messaging, microservices, testing, and deployment.
  • Basic understanding of databases and SQL is helpful but not mandatory. PostgreSQL and database integration will be explained step-by-step throughout the course.
  • A computer capable of running development tools and Docker containers. Students should be able to install and use software such as IntelliJ IDEA (Community or Ultimate Edition), Docker Desktop, PostgreSQL, and other tools used during the course.

Description

Master professional Java backend development by building a complete real-world application from scratch. In this course, you will create BookHub, a production-ready backend system while learning the entire software development lifecycle (SDLC), from planning and design to testing, deployment, and maintenance.

You will start by understanding how professional software projects are planned and structured before setting up a Spring Boot application using clean architecture principles. As the course progresses, you will build REST APIs, integrate PostgreSQL with Spring Data JPA and Hibernate, and design efficient database relationships and queries.

You will learn how to secure your application using Spring Security, implement authentication and authorization, and manage user roles and permissions. To improve performance, you will integrate Redis caching and explore strategies for handling data efficiently. You will also implement asynchronous communication using Apache Kafka and understand event-driven architecture.

The course goes beyond traditional backend development by introducing Docker containerization, CI/CD concepts, automated testing with JUnit and Mockito, integration testing, debugging techniques, and monitoring strategies.

You will also explore modern distributed systems using Spring Cloud, including Config Server, Eureka Service Discovery, and API Gateway.

By the end of this course, you will have built a complete enterprise-style Java backend application and gained practical skills used by professional backend engineers to develop scalable, secure, maintainable, and production-ready applications.


Who this course is for:

  • Java developers who want to move beyond basic applications and learn how to build a complete production-ready backend using Spring Boot and modern backend technologies.
  • Students and beginners who understand Java fundamentals and want a practical, project-based journey into backend development using a real-world application called BookHub.
  • Junior developers preparing for backend developer roles who want hands-on experience with REST APIs, PostgreSQL, JPA/Hibernate, Spring Security, Redis, Kafka, Docker, microservices, testing, and deployment.

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