Damian Garstecki

back end developer

About Me

Damian Garstecki is from Poland, where he works as a backend developer. With a 10 years of commercial experience in various technologies, he presently devotes his expertise to JVM languages, particularly Java and Kotlin. Damian loves solving intricate software architecture challenges with the Domain-Driven Design (DDD) methodology. A constant seeker of novel approaches. In his leisure hours, Damian nurtures an avid interest in economics and Formula 1 racing.

Blog Posts

Argument for the off-the-shelf components

April 30, 2022 · 5 min read

Have you ever run into a problem that could be solved by using off-the-shelf solution? You probably asked yourself is it a good idea? Maybe the problem is simple enough and you could just write a simple solution in a week. Let's take a look at when we should consider off-the-shelf component instead of a custom-made solution.

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Why using Kotlin data classes as Entities is a bad idea

February 20, 2022 · 4 min read

Kotlin data classes have been an awesome language addition, so good that they were also introduced in Java 14 in the form of record classes. Kotlin data classes are a great choice to easily create Data Transfer Objects or Value Objects, but some of their features do not go hand in hand with JPA entities. Let's take a look at why, and why it's a bad idea to make JPA entities data classes.

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What I've learned from picking another language

December 19, 2021 · 5 min read

Retrospec on my journey of learning Java as a PHP developer. You might hear that - if you know any language well, learning another one is easy. But how many developers do you know switched their main language? Not so many, why? If switching is easy, we should have seen it more often. In this post, I would like to share my experience with switching languages.

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