Erhard Perz
Managing Director at SimTech GmbH
Austria
Summary
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RockstarErhard Perz is a mechanical engineer turned software-savvy managing director with over three decades at SimTech guiding the development and commercialization of the process simulation package IPSEpro. He blends deep domain knowledge in process modelling and mathematics with hands-on software engineering and product leadership, steering solutions for power and process industries. Over 11 years of visible engineering activity he has contributed to notable open-source tooling around testing and build systems—improving examples and tests in AssertJ and Mockito and migrating projects like detekt to Kotlin DSL—highlighting a practical focus on code quality and build reproducibility. His profile reflects a rare combination of technical stewardship and long-term operational leadership, able to translate complex engineering models into robust, maintainable software. Based in Austria, he remains engaged in both research-grade modelling and the developer workflows that keep scientific software reliable.
11 years of coding experience
Github Skills (20)
kotlin10
unit-testing10
static-analysis10
test-driven-design10
testing10
software-quality10
assertj10
java10
javas10
junit10
build-automation10
gradlew10
mockito10
test-automation10
gradle10
Programming languages (5)
Github contributions (5)
mockito/mockito
Apr 2017 - Aug 2020
Most popular Mocking framework for unit tests written in Java
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:45 commits, 37 PRs, 27 comments in 3 years 3 months
Contributions summary:Erhard primarily contributed to the testing and quality assurance of the Mockito framework. Their commits involved modifying test files, adding and updating tests to cover different scenarios and functionalities. The changes included adapting existing tests to new versions of dependencies like AssertJ and Gradle, and also involved applying errorprone plugin to ensure the code quality.
test-automationjava-librarytestingmockitounit
assertj/assertj-examples
Mar 2017 - Dec 2019
Examples illustrating AssertJ assertions
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:6 commits, 5 PRs in 2 years 9 months
Contributions summary:Erhard primarily contributed to the project by adding and modifying examples to demonstrate the usage of AssertJ assertions. The commits focused on adding new assertions for Java 8 date and time functionalities, and also expanded the examples for class assertions, including visibility and method examples. They also updated the project to use a newer version of assertj-core and refactored existing examples.
assertionsassertjtestingassertj-assertionsjava
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