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Dmitry Protsenko

Software Engineer

  • Home
  • Cloud (IaC) Security for IntellIJ IDEA
Dmitry Protsenko

Software Engineer

  • Spring Boot, Spring Data JPA

Spring Data JPA with Kotlin: Entities, Repositories, and Pitfalls

Using data class in Kotlin for Spring Data JPA - common mistake

This guide covers Spring Data JPA with Kotlin for Spring Boot 4.x projects — from JPA in Spring Boot setup and entity modeling to Spring Data JPA repositories, projections, pagination, and dynamic filtering. Every Spring Boot JPA example uses idiomatic…

  • Dmitry Protsenko
  • April 26, 2026
  • Mental Health

Mendi Headset Review: Does It Actually Work?

Tech Cat using Mendi headset to improve his focus

Hi techno-lovers. As the Software Developer, I love things that improve my productivity and focus. In this Mendi review headset, I’m sharing daily experience in usage Mendi headband. The production company claims it boosts your focus and performance; sounds good,…

  • Dmitry Protsenko
  • February 7, 2026
  • Cloud Security, Plugin Development

Analyze Docker & Kubernetes files with Qodana

Tech Cat looking for bugs with Qodana

Hi! In this article, I’ll cover the interesting tool Qodana and how you could use it in CI/CD processes to scan your Docker and Kubernetes files with my Cloud Security plugin for JetBrains IDEs.

  • Dmitry Protsenko
  • December 16, 2025
  • Spring Boot, Spring Data JPA

Spring Data JPA Transactions and Queries

Tech Cat exploring Space in new Spring Data JPA Best Practices

The last but not least part of my series of articles on Spring Data JPA guide, employing best practices to help you keep the code base clean and avoid common mistakes. This guide was initially written based on observations from…

  • Dmitry Protsenko
  • December 2, 2025
  • Spring Boot, Spring Data JPA

Spring Data JPA Repositories: Best Practices and Cheatsheet

Tech Cat flying to learn how to use Spring Data JPA repositories properly

In this series of articles, I’m sharing my view on refactoring a large legacy codebase that employed many poor practices. To address these issues and develop better Spring Data JPA repositories, I wrote this guide to promote good practices in…

  • Dmitry Protsenko
  • November 5, 2025
  • Spring Boot, Spring Data JPA

Spring Data JPA Best Practices: Entity Design Guide

Tech Cat meditating on Spring Data JPA Best Practices

This series of articles was written as part of my review of a large legacy code base that employed many poor practices. To address these issues, I created this guide to promote Spring Data JPA Best Practices in designing entities…

  • Dmitry Protsenko
  • October 28, 2025
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