Java Experts
Pro
Spring Projects
Engaging
Enterprise Apps
Hands-On
Build robust enterprise applications with Java, Spring Boot, Hibernate, and microservices architecture taught by industry veterans.
Pro
Engaging
Hands-On
From Java Core to Spring Boot, Hibernate, and enterprise microservices.
Study Java and Spring at your own pace, from anywhere in the world.
Connect with senior Java engineers, architects, and tech leads.
Get your Spring Boot applications reviewed by senior Java engineers.
Build fully functional Java microservices to showcase on GitHub.
Earn verified Java development certificates recognized by top employers.
4100
Engineers who completed our Java and Spring Boot programs.
95%
Students who rated PowerStack courses 4 stars or above.
38+
Covering Java Core, Spring, Hibernate, microservices, and JUnit testing.
$269
Complete Java, Spring Boot, and Hibernate curriculum with mentor reviews.
$469
Advanced Spring Cloud, Kafka, Docker, and distributed Java systems design.
$949
1-on-1 coaching from Java architects to design and optimize enterprise systems.
No prior Java knowledge required. We begin with basics and progress to enterprise patterns step by step.
All courses use Spring Boot 3.x with Java 21 and the latest Jakarta EE standards.
Yes! We cover Spring Cloud, service discovery, API gateways, and event-driven microservices with Kafka.
Absolutely. Unit testing with JUnit 5, Mockito, and integration testing with Spring Test are all covered.
Yes, video lessons and quizzes are fully accessible on mobile and tablet devices.
We offer a 30-day money-back guarantee. Full refund, no questions asked.
Learn from Java architects who design enterprise systems handling millions of transactions daily.
Solve real Java coding challenges and receive feedback on your architecture and code quality.
Join our active Java developer Slack community and get help from peers and mentors fast.
Study Java and Spring Boot at your own speed with lifetime access to all course materials.
Java remains the top enterprise language worldwide. Start building the skills employers demand most!
PowerStack gave me the Spring Boot skills to get promoted to Senior Java Developer in 5 months!
Michael Chen
Become the Java engineer every enterprise team urgently needs!
Trusted By Java Teams
Learn the Java patterns and Spring conventions used by Fortune 500 backend teams.
Content updated for every major Java LTS and Spring Boot release.
Access all Java and Spring lessons from laptop, tablet, or smartphone.
Welcome to PowerStack Java — the premier online platform for enterprise Java and Spring Boot development. We don't teach toy applications. Our curriculum mirrors the real challenges that backend engineers face inside corporate tech teams: designing RESTful APIs with Spring Security, managing database transactions with Hibernate and JPA, building fault-tolerant microservices with Spring Cloud, and writing comprehensive test suites with JUnit 5 and Mockito. Every module is designed to make you the most capable Java engineer in the room.
Write Java that powers the world
Basic
$49
Java Core and OOP fundamentals for new developers entering enterprise development.
Pro
$99
Complete Spring Boot, Hibernate, and microservices with live code reviews.
The Spring Boot course is the most complete I have seen. Got my first enterprise Java job 2 months after finishing!
Ethan Morris
Junior Java Developer
Hibernate finally made sense after this course. The JPA mapping chapter is brilliantly clear and concise!
Claire Dupont
Backend Java Developer
The JUnit testing module transformed how my team writes tests. Saved us thousands of debugging hours!
Omar Hassan
Senior Java Engineer
Switched from PHP to Java and landed a Spring Boot role at a bank in just 4 months. Worth every cent!
Hana Petrov
PHP to Java Switcher
The microservices module with Spring Cloud is the most hands-on content I have ever studied. Spectacular!
Ivan Kowalski
Microservices Architect
My Java salary doubled after completing PowerStack Elite. The ROI on this course is insane!
Fatima Al-Rashid
Java Team Lead
2026-05-06
A deep dive into Java 21 virtual threads and how they transform high-throughput Spring Boot services.
2026-05-15
Which framework should power your next enterprise Java application? We break down the key differences.
Instructors who design Java systems processing billions of requests in production.
Learn JVM tuning, connection pooling, and query optimization for enterprise Java.
Graduate with a fully tested Spring Boot microservice deployed on Docker and GitHub.
13
From Java basics to Spring Cloud microservices and enterprise deployment.
Every lesson is vetted by working Java architects — no outdated patterns.
Study Java enterprise patterns whenever you want with no expiry on your access.
Collaborate with engineers, share code, and grow your professional network daily.
Senior Java Architect
12 years building Spring Boot enterprise systems for banks and insurance companies.
Hibernate and JPA Expert
Database performance specialist with 9 years of Hibernate optimization experience.
Microservices Specialist
Cloud-native Java expert with hands-on experience deploying Spring Cloud at scale.
