Hi all, I'm Sergey (Sergei) Chernov a.k.a. seregamorph

I'm a Software Engineer and Opensource Volunteer

• I live in the Netherlands and work at Adyen
• Most of the experience is Java backend development and maintenance, last years dedicated to build tooling and Developer Productivity Engineering

Connect with me:

LinkedIn

Articles

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• Simple release management with git rus
• Refactoring legacy-project to Dependency Injection. Sith's way rus
• CharSequence magic rus
• Obtaining Method from Method Reference rus
• Extension methods in Java rus
• Fluent setter: breaking the convention eng
• Obtaining generic type at runtime rus

Public speaking

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• Improving Spring Boot tests efficiency YouTube (hosted by AtomicJar/TestContainers)
• Improving Spring Boot tests efficiency JUG Meetup (hosted by Adyen)

Pet projects

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• spring-test-smart-context - Improving Spring Boot test efficiency (available on Maven Central)
• hamcrest-more-matchers - additional Hamcrest matchers to verify collection order and extracted values (available on Maven Central)
• morejdbc - helpers to call Oracle storable procedures/functions (available on Maven Central)
• reactive-cassandra - extensions for reactive-style (a.k.a. Promise) Futures for cassandra driver 2.x
• binaryxml - own lightweight binary xml serialization library
• miro-app-oauth - sample OAuth application for Miro
• Morph3D Screen Saver - Screen Saver for Windows, it was very popular in the 2000s
• All personal repositories

Opensource contributions

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• pgjdbc
  • connectTimeout property support
• maven
  • Fix DefaultExceptionHandler NPE
• frontend-maven-plugin
  • Self repairing in case of corrupted state
  • Support arm64 binaries since Node.js v16
• hibernate-orm
  • Order.reverse() contract string following
  • Order.reverse() contract strict following backport
• jackson-databind
  • Fix default CharSequence serialization
• IntelliJ IDEA Community Edition
  • Fix maven import for non-case sensitive unique artifactId
• spring-framework
  • Optimize context caching in the TestContext framework [open]
• gradle
  • Expose BuildCacheKey to task execution [open]
• dependency-analysis-gradle-plugin
  • Reason explanation id ambiguity
  • Fix ArtifactsReportTask caching for included builds [open]
  • Fix incomplete reason explanation on multi capabilities
  • Print build path in projectHealth
• easy-random
  • Repeatable random object
• commons-beanutils
  • BEANUTILS-541 - Fix FluentPropertyBeanIntrospector
• github-api
  • user, push, pull event extensions
  • pullRequestReview.review.htmlUrl
  • Base event payload
  • pull_request action "edited".changes
• undertow
  • Path template matched parameters should keep order
• testng
  • Failsafe reports (Exception)
  • Failsafe reports (parameter)
• rsocket-java
  • Fix build for Apple M1
• micronaut
  • Fix gradlew/mnvw generation
• quarkus
  • Fix gradlew/mnvw generation
• All pull requests

Bug hunting

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• JetBrains
  • all projects
• Various GitHub projects
  • all projects