Master the Core • 4 Weeks (Part-time)

Block 1: Modern Backend Foundations

Build a rock-solid foundation in modern Java 21+ and the core Spring Boot framework to ensure your team writes clean, future-proof, and testable code.

Week 1

Modern Java & Scalable Architecture

We begin by eliminating legacy technical debt. Leveraging the paradigm shift of Data-Oriented Programming (DOP) and Java 21+, we drastically reduce boilerplate using Records and Sealed Interfaces, while preparing the system for massive scale with Virtual Threads.

Core Concepts

  • Data-Oriented Programming (DOP)
  • Records & Sealed Type Hierarchies
  • Virtual Threads (Project Loom)
  • Exhaustive Pattern Matching
Week 2

Functional Programming & Data Streams

Moving from imperative to declarative code. We replace complex, fragile loops with elegant functional pipelines, utilizing the Streams API and Optional to create crash-safe, highly maintainable data transformations.

Core Concepts

  • Functional Interfaces & Lambdas
  • The Streams API Pipeline
  • Advanced Collectors & Grouping
  • Type-Safe Null Handling with Optional
Week 3

Test-Driven Development & Quality

Quality must drive the design. We implement the Red-Green-Refactor cycle using JUnit 5 and Mockito to ensure every logic flow is verified. This creates a decoupled architecture that allows the team to refactor fearlessly.

Core Concepts

  • JUnit 5 Jupiter Architecture
  • Red-Green-Refactor Methodology
  • Dependency Isolation with Mockito
  • Design for Testability (SOLID)
Week 4

Spring Boot Core & IoC

The perfect bridge into the enterprise framework. We demystify the Application Context, Dependency Injection, and Auto-configuration, giving the team full control to build cloud-ready services without relying on 'black box' magic.

Core Concepts

  • Inversion of Control (IoC) Mastery
  • Dependency Injection Deep Dive
  • Type-Safe External Configuration
  • Profiles & Environment Strategy
Andreas Olsson

Lead Instructor & Architect

Andreas Olsson

Expertise through Active Learning

With over 20 years of experience in Java and the Spring ecosystem, my mission is to help organizations rapidly upskill their engineering teams. From mastering modern Spring Boot architectures to integrating generative AI, I help bridge the gap between legacy systems and the future.

That is exactly why I designed The Enterprise Spring Boot & AI Program. Theoretical lectures and passive slide consumption don't build confident engineers. Real competence comes from building, breaking, and fixing enterprise-grade architecture under expert guidance.

"Having led over 20 enterprise bootcamps, my driving force is to turn your developers into highly effective, production-ready engineers. When your team unlocks these new capabilities, the entire organization moves faster."

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