Semyon Kirekov

Java team lead. Passionate about giving talks at conferences, writing meaningful articles, and lecturing for students.

Russia, Moscow Joined on Sep 20, 2021 https://www.linkedin.com/in/semyon-kirekov-4570b818a/

Education

Polzunov Altai State Technical University

Work

Java team lead, a conference speaker, and a lecturer

Java-Useful-Utils

Truly immutable collections, functional errors handling, laziness, and measurement utilities

Java • 13 stars

great-hooks

A bunch of useful react-hooks to make your components less verbose and cleaner

TypeScript • 2 stars

try-monad

Typescript Try monad

TypeScript • 2 stars

Java, Spring Boot, Hibernate, PostgreSQL, Apache Kafka

I'm willing to be a speaker at the international conferences. Check out my LinkedIn profile in the Website URL section to see some featured talks of mine.

26 posts published

16 comments written

8 tags followed

Semyon Kirekov

May 1

Custom methods in REST API endpoints

#api #restapi #http #web

5 min read

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Semyon Kirekov

Sep 7 '23

Rich Domain Model with Spring Boot and Hibernate

#java #hibernate #jpa #springboot

31 min read

Semyon Kirekov

May 21 '23

Integration Tests for N + 1 problem in Java

#java #testing #docker #performance

7 min read

Semyon Kirekov

Apr 21 '23

JUnit 5: link tests with task tracker issues

#java #documentation #testing #githubactions

8 min read

Semyon Kirekov

Mar 12 '23

Spring, SchemaSpy DB docs, and GitHub Pages

#java #docker #spring #tutorial

7 min read

Semyon Kirekov

Mar 8 '23

Spring Security — Generate Docs for Authorization Rules

#java #documentation #programming #tutorial

5 min read

Semyon Kirekov

Feb 23 '23

Spring Security and Non-flat Roles Inheritance Architecture

#java #programming #security #spring

17 min read

Semyon Kirekov

Feb 18 '23

Unit Testing Backward Compatibility of Message Format

#java #tutorial #testing #programming

12 min read

Semyon Kirekov

Feb 11 '23

Forward Compatible Enum Values in API with Java Jackson

#java #design #api #programming

7 min read

Semyon Kirekov

Feb 4 '23

Custom Gradle Plugin for Unified Static Code Analysis

#tutorial #java #codequality #gradle

10 min read

Semyon Kirekov

Jan 8 '23

Flyway Migrations Naming Strategy in a Big Project

#database #flyway #programming #productivity

5 min read

Semyon Kirekov

Dec 4 '22

Spring Boot — Power of Value Objects

#java #programming #tutorial #design

9 min read

Semyon Kirekov

Nov 13 '22

Spring Boot – Black Box Testing

#java #spring #testing #tutorial

10 min read

Semyon Kirekov

Oct 1 '22

Chain of Responsibility Pattern in Spring Application

#java #spring #design #tutorial

8 min read

Semyon Kirekov

Jul 24 '22

Contract Integration Testing

#docker #java #testing #devops

7 min read

Semyon Kirekov

Jun 21 '22

E2E-Testing in CI Environment With Testcontainers

#docker #testing #devops #testcontainers

17 min read

Semyon Kirekov

Apr 22 '22

Apache Spark, Hive, and Spring Boot — Testing Guide

#bigdata #testing #java #docker

18 min read

Semyon Kirekov

Jan 5 '22

Spring Data — Never Rollback Readonly Transactions

#spring #java #tutorial #programming

8 min read

Semyon Kirekov

Dec 16 '21

Spring Boot + JPA — Clear Tests

#java #testing #tutorial #spring

12 min read

Semyon Kirekov

Nov 27 '21

Spring Data — Power of Domain Events

#tutorial #architecture #design #eventdriven

12 min read

Semyon Kirekov

Oct 23 '21

Basics of CI/CD

#devops #programming #productivity #tutorial

195

7 min read

Semyon Kirekov

Oct 19 '21

Spring Boot Testing — Testcontainers and Flyway

#java #junit5 #testcontainers #flyway

6 min read

Semyon Kirekov

Oct 7 '21

Spring Boot Testing — Data and Services

#testing #java #tutorial #database

9 min read

Semyon Kirekov

Oct 1 '21

Why You Need Static Code Analysis

#codequality #codereview #devops

7 min read

Semyon Kirekov

Sep 25 '21

Spring Data — Transactional Caveats

#java #programming #database

5 min read

Semyon Kirekov

Sep 20 '21

Java Generics — Advanced Cases

#java #programming

8 min read

DEV Community

Semyon Kirekov

Badges

Writing Debut

Two Year Club

1 Week Community Wellness Streak

One Year Club

4 Week Writing Streak

GitHub Repositories

Skills/Languages

Available for

Custom methods in REST API endpoints

Want to connect with Semyon Kirekov?

Rich Domain Model with Spring Boot and Hibernate

Integration Tests for N + 1 problem in Java

JUnit 5: link tests with task tracker issues

Spring, SchemaSpy DB docs, and GitHub Pages

Spring Security — Generate Docs for Authorization Rules

Spring Security and Non-flat Roles Inheritance Architecture

Unit Testing Backward Compatibility of Message Format

Forward Compatible Enum Values in API with Java Jackson

Custom Gradle Plugin for Unified Static Code Analysis

Flyway Migrations Naming Strategy in a Big Project

Spring Boot — Power of Value Objects

Spring Boot – Black Box Testing

Chain of Responsibility Pattern in Spring Application

Contract Integration Testing

E2E-Testing in CI Environment With Testcontainers

Apache Spark, Hive, and Spring Boot — Testing Guide

Spring Data — Never Rollback Readonly Transactions

Spring Boot + JPA — Clear Tests

Spring Data — Power of Domain Events

Basics of CI/CD

Spring Boot Testing — Testcontainers and Flyway

Spring Boot Testing — Data and Services

Why You Need Static Code Analysis

Spring Data — Transactional Caveats

Java Generics — Advanced Cases