Jerzy Müller
Scala Trainer at VirtusLab
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolJerzy Müller is a Scala trainer and evangelist with 12 years of hands-on experience building and improving Scala tooling and applications from Krakow, Poland. He teaches advanced TypeSafe/Lightbend Scala courses while actively contributing to prominent open-source projects such as scoverage and the Scala IDE for Eclipse, where he improved test infrastructure, Windows compatibility, build performance and semantic annotation support. His background spans back-end and Java web development, including Eclipse RCP and Wicket-based systems for large enterprise and public-sector clients, bringing pragmatic, production-focused expertise. Known for digging into tricky, locale-dependent test issues and edge-case bug fixes, he blends pedagogy with deep technical troubleshooting to help teams write more reliable Scala code.
12 years of coding experience
M. Sc., Computer Science, M. Sc., Computer Science at Akademia Górniczo-Hutnicza im. Stanislawa Staszica w KrakowieB.Sc., Computer Science, B.Sc., Computer Science at Akademia Górniczo-Hutnicza im. Stanisława Staszica w KrakowieV Liceum Ogólnokształcące w Krakowie
Polish, English
Github Skills (9)
test-automation10
testing10
back-end-development10
eclipse-ide10
scala10
java9
build-system9
xml9
javas9
Programming languages (3)
Github contributions (5)
scala-ide/scala-ide
Nov 2013 - Jun 2015
Scala IDE for Eclipse
Role in this project:
Back-end Developer
Back-end DeveloperContributions:119 commits, 18 PRs, 4 pushes in 1 year 6 months
Contributions summary:Jerzy primarily worked on improving the Scala IDE for Eclipse, focusing on the back-end logic for the IDE. They addressed several bugs related to Windows platform compatibility, improving test functionality. Further work includes enhancing the build system, including faster project loading and improved error reporting. The user also introduced new mechanisms for semantic annotations within the IDE.
javascalaideeclipse
scoverage/scalac-scoverage-plugin
Jan 2015 - Feb 2015
Scoverage Scala Code Coverage Core Libs
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:8 commits, 9 PRs, 32 comments in 14 days
Contributions summary:Jerzy primarily focused on improving the testing infrastructure and test coverage for the `scalac-scoverage-plugin`. Their contributions include fixing locale-dependent tests, addressing a specific issue related to the handling of returns within catch blocks, and adjusting test output directories. The changes also involved improvements to existing tests and the addition of new tests to enhance coverage.
scoveragescalacoveragelibscode-coverage
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