Amazon S3 is one of the most widely used cloud services in the world — powering websites, applications, data pipelines, backups, and more. But for many developers, integrating S3 into real applications can feel complex.

This course is designed to give Java developers the skills and confidence to work with Amazon S3 in real-world projects.

You’ll learn step by step how to:

1. Understand object storage and why S3 is a cornerstone of modern cloud applications.

2. Create and manage buckets, objects, and storage classes programmatically with the AWS SDK for Java.

3. Upload and download files efficiently, including large file handling with multipart uploads.

4. Secure your data with encryption, access policies, and pre-signed URLs.

5. Automate cost optimization with lifecycle rules and storage transitions.

6. Implement replication and disaster recovery strategies.

And to make everything practical, you’ll build a real-world backend project: a videogame marketplace (similar to Steam), where studios upload their games and gamers can purchase and download them. Using Java 21 and Spring Boot, you’ll expose REST APIs, handle file versioning, manage access control, and ensure security at every step.

By the end of this course, you’ll not only understand S3 — you’ll know how to use it confidently in your Java applications, applying best practices for scalability, cost efficiency, and security.

Whether you’re preparing for your next job opportunity, enhancing your backend projects, or simply expanding your cloud expertise, this course will give you the skills to master AWS S3 with Java.