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I’m an independent IT consultant and entrepreneur in the Internet and software business. I’m interested in design, enterprise applications, web apps and SaaS products. I design and develop business solutions and applications. I help companies in terms of software quality and knowledge transfer, e.g. with Angular and Spring Boot.

Secure, Test, Repeat: A Guide to Spring Security Integration Testing by Laurentiu Spilca @ Spring I/O 2024

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Automating Java Code Migration with OpenRewrite

Software development constantly evolves, and so do the libraries and frameworks we rely on. Keeping codebases up-to-date is crucial for long-term maintainability but often feels tedious and error-prone when done manually. Fortunately, tools like OpenRewrite offer an elegant solution: automating large-scale code changes in a reliable, repeatable way. In a recent article, Philip Riecks walks through a practical example of how OpenRewrite can be used to modernize Java code. Specifically, he demonstrates how to update outdated Mockito usage — migrating from the ... Read more

GraphQL, Java, and Spring: The Latest Features by Rossen Stoyanchev @ Spring I/O 2024

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AsyncAPI & Springwolf – Automated Documentation (and more) by Raphael de Lio @ Spring I/O 2024

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About the Roles to Assume in Software Development

Software engineer Patrick Dubroy recently wrote this interesting article about five different hats to put on when thinking about and working with code - and much more importantly - the other people involved in the process. While each individual engineer's might differ slightly (though the most important one, in my opinion, the teaching hat, is something fairly universal), the key point is: You're not just coder. You're not an automaton merely producing code. In fact, these days, with LLMs and generative AI, ... Read more

BuildPlan Maven Plugin

BuildPlan Maven Plugin allows you to inspect the lifecycle of your Java project. Michael Simons recently published this overview on how to use that plugin to display your Maven build plan and execution order Read more

Modern Java Deep Dive by Nicolai Parlog @ Devoxx Belgium 2024

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Messaging Design Patterns: Pub-Sub vs. Message Queues

Updated last year, Liam Garvie wrote this informative article on the architectural differences - including implementation details - between the publish–subscribe and message queue messaging design patterns: Pub-Sub vs. Message Queues Read more

Introduction to OpenRewrite by Moderne

Introduction to OpenRewrite by Moderne OpenRewrite is an open-source automated refactoring ecosystem for source code, enabling developers to effectively eliminate technical debt within their repositories. Read more

Better Error Handling for Your Spring Boot REST APIs: Error Handling Spring Boot Starter by Wim Deblauwe

Robust and consistent error handling is key when working with any kind of software framework. While Spring itself generally is doing a pretty decent job at that, when it comes to providing REST APIs with Spring Boot the framework is rather lacking. To provide a more consistent error handling experience with Spring Boot REST APIs, Wim Deblauwe (of Taming Thymeleaf fame has release an Error Handling Spring Boot Starter, which enforces robust error handling across a Spring Boot application. See his article on ... Read more
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