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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.

Spring Security Architecture Principles by Daniel Garnier-Moiroux @ Spring I/O 2024

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Java Digest by Catherine Edelveis: April 2024 Edition

Read the April 2024 edition of Catherine Edelveis' monthly digest of relevant news, releases, and events in the Java world here Read more

Develop and Test Your AWS-Powered Spring Boot Application Locally By Anca Ghenade @ Spring I/O 2023

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Dynamic Projections with Spring Data JPA

Freelance software consultant Maciej Walkowiak (of Just and Spring Cloud AWS fame) has recently published this interesting article on dynamic projections with Spring Data JPA. Dynamic projections allow you to determine the type returned by JPA query methods at invocation time, which comes in handy in case you want to return different attribute subsets from your data model for various use cases without having to incur the maintenance cost of creating a new query method for each such projection. Read more

Java Digest by Catherine Edelveis: March 2024 Edition

Java developer and prolific writer Catherine Edelveis has this wonderful - and quite useful - idea of publishing a monthly digest of relevant news, releases, and events in the Java world. You can read the March 2024 edition here. Read more

Developer Experience with Spring Boot on Kubernetes by Thomas Vitale @ Spring I/O 2023

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The Unknowns of JUnit 5 by Mike Kowalski @ Devoxx France 2022

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Performance-Oriented Spring Data JPA & Hibernate by Maciej Walkowiak @ Voxxed Days Zürich 2024

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Spring Calendar – Release Schedule for Spring Projects

Spring - and Spring Boot in particular - are my main go-to frameworks when it comes to implementing applications and automating processes for both my clients and myself. Additionally, I give courses on Spring Boot and various other Spring-related subjects and I also run "Stratospheric - From Zero to Production with Spring Boot and AWS" (ebook and companion online course). Hence, it's fair to say I'm quite committed to Spring and the Spring community, which is why knowing in advance when a ... Read more

Migrating to Java 21 and Spring Boot 3.2

Last year in December, Pratik Dwivedi of Unlogged posted an informative article on migrating from Java 8/11 to Java 21, and Spring Boot 2 to the latest Spring Boot 3.2, which covers everything from the benefits of that transition (e.g., being able to use GraalVM, Virtual Threads and CRaC and the Spring Framework's new RestClient and observability features) to a checklist and best practices for carrying out such a migration for your applications. Read more
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