Slawomir Jaranowski
Software Development Process Expert at PayU
Greater Poland Voivodeship
Summary
🤩
Rockstar🎓
Top SchoolSlawomir Jaranowski is a seasoned Java engineer and software development process expert with 12 years of experience, currently shaping release and delivery practices at PayU and serving as an Apache Maven committer and PMC member. He blends hands-on backend and Android development with deep CI/CD and build-tool expertise, contributing bug fixes, refactors, and tests to high-profile projects like Apache Maven and Surefire. His open-source work spans industrial IoT/home automation (openHAB) and core build infrastructure, including subtle fixes such as flaky-test stabilizations and debug-mode configuration improvements. A former team manager and release manager, he combines leadership in delivery with pragmatic code-level contributions, and is comfortable navigating complex dependency and compatibility challenges across platforms.
13 years of coding experience
6 years of employment as a software developer
Master of Science (M.Sc.), Computer Networks and Distributed Systems, Master of Science (M.Sc.), Computer Networks and Distributed Systems at Politechnika Poznańska
Polish, English
Stackoverflow
7,989reputation
886kreached
168answers
6questions
travis-ci
top-5%
docker
top-5%
logging
top-5%
ssl
top-1%
maven
top-5%
yaml
top-5%
Github Skills (37)
ssl10
testing10
windows10
plugin-development10
maven-plugin10
openhab10
java10
binding10
javas10
junit10
maven-surefire-plugin10
android-app10
openssl10
maven-dependency-plugin10
android10
Programming languages (14)
Github contributions (5)
apache/maven-enforcer
Nov 2021 - Jan 2023
Apache Maven Enforcer (Plugin)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:129 reviews, 50 commits, 182 PRs in 1 year 2 months
Contributions summary:Slawomir's commits primarily focus on enhancing the Apache Maven Enforcer plugin. They upgraded the Maven version used by the plugin and added features such as allowing filtering of the parent artifact in the requireReleaseDeps rule. The user also refactored code, upgrading the maven-plugin parent and removing duplicate license headers. Furthermore, the user added new functionality allowing JDK version 8 for requireJavaVersion.
mavenbuild-managementjavamaven-pluginsmaven-enforcer-plugin
apache/maven-dependency-plugin
Sep 2021 - Jan 2023
Apache Maven Dependency Plugin
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 releases, 143 reviews, 35 commits in 1 year 4 months
Contributions summary:Slawomir primarily contributed to improving the stability and functionality of the Maven Dependency Plugin. Their work involved modifying existing code to address test flakiness on macOS. They also made changes related to parameter handling, including removing `final` modifiers and adding options to ignore specific packagings and non-test-scoped dependencies during analysis. Additionally, the user upgraded dependencies and addressed code formatting issues.
maven-dependency-pluginmavenjavabuild-managementmaven-plugins
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