Karol Lewandowski
Software Developer at JetBrains
Białystok, Podlaskie Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolKarol Lewandowski is a software developer with 10 years of experience, currently at JetBrains where he splits his time between developer advocacy and core development. He brings strong Java and AEM background from roles at Roche, Ryanair and Dynamic Solutions Poland, and has led teams delivering enterprise-grade systems. At JetBrains he contributes to high-profile projects such as the IntelliJ SDK docs and the intellij-platform-gradle-plugin, focusing on documentation quality, build tooling migrations and robust test suites. Colleagues know him for improving maintainability—migrating build scripts from Groovy to Kotlin and tightening KDocs and tests—rather than flashy feature work. Based in Białystok, Poland, he pairs practical engineering with a knack for making complex developer tooling easier to use. Despite a self-deprecating GitHub bio, his contributions show a meticulous, systems-minded engineer who prefers durable improvements over showy prototypes.
10 years of coding experience
9 years of employment as a software developer
Master of Engineering (MEng) Software Systems, Master of Engineering (MEng) Software Systems at Bialystok University of Technology
Polish, English
Stackoverflow
986reputation
178kreached
20answers
5questions
Github Skills (20)
kotlin10
intellij10
testing10
doc10
sdk10
intellij-plugin10
gradlew10
documentation10
gradle10
githubaction-workflow8
github-ci8
java7
javas7
html6
ldif6
Programming languages (7)
Github contributions (5)
JetBrains/intellij-sdk-docs
Jan 2022 - Jan 2023
IntelliJ SDK Platform Documentation
Role in this project:
Technical Writer
Technical WriterContributions:129 reviews, 293 commits, 115 PRs in 1 year
Contributions summary:Karol primarily focused on updating and migrating documentation within the IntelliJ SDK documentation repository. Their work involved revising copyright information, migrating build scripts from Groovy to Kotlin, adjusting diagrams, and updating the documentation structure. Key changes included replacing 'chunk' with 'snippet' in a script and integrating a Writerside migration, demonstrating a focus on improving the documentation's accuracy, organization, and tooling.
intellij-platformplatform-sdksdkkotlinintellij-sdk
JetBrains/intellij-platform-gradle-plugin
Apr 2022 - Sep 2022
Gradle plugin for building plugins for JetBrains IDEs
Role in this project:Backend Developer & QA Engineer
Backend Developer & QA EngineerContributions:10 reviews, 54 commits, 6 PRs in 5 months
Contributions summary:Karol primarily focused on improving the codebase's quality and maintainability by addressing code documentation and fixing broken links in KDocs. They also made improvements to the plugin's build process and tests. Additionally, they worked on enhancing the test suite with the inclusion of new tests and refactoring existing ones to improve their efficiency and reliability.
gradle-plugingradletravis-configurationjetbrains-pluginintellij-plugin
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