Marek Kopecký
Senior Software Quality Engineer at Red Hat
Czechia
Summary
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Rockstar🎓
Top SchoolMarek Kopecký is a Senior Software Quality Engineer with 11 years of experience specializing in Java EE, JBoss EAP/WildFly, RESTEasy and MicroProfile, currently driving test development and automation at Red Hat. He combines deep backend engineering with QA expertise, contributing integration tests and stability fixes to high-profile open-source projects like WildFly and the Jakarta RESTEasy implementation. Marek is known for improving robustness and maintainability—adding resource cleanup, tightening caching logic, and hardening test suites against timeouts and JDK variations. He regularly coaches and mentors teammates, bringing pragmatic performance testing and containerization know-how to production-grade middleware. Based in Czechia and trained at Brno University of Technology, he blends academic grounding in information systems with a practical focus on resilient server-side platforms.
11 years of coding experience
6 years of employment as a software developer
Master's degree, Management Information Systems, General, Master's degree, Management Information Systems, General at Brno University of Technology
English, Czech
Stackoverflow
11reputation
844reached
0answers
1question
Github Skills (20)
testing10
resource-management10
java10
javas10
junit10
arq10
wildfly10
jax-rs10
rest-api10
test-automation10
cli10
jms9
caching9
cd8
cicd8
Programming languages (5)
Github contributions (5)
resteasy/resteasy
Oct 2015 - Mar 2021
An Implementation of the Jakarta RESTful Web Services Specification
Role in this project:
Back-end Developer
Back-end DeveloperContributions:34 reviews, 90 commits, 76 PRs in 5 years 6 months
Contributions summary:Marek's contributions focused on improving the robustness and maintainability of the Jakarta RESTful Web Services (JAX-RS) implementation. They primarily addressed resource management issues by adding closing of resources like DNS contexts and input streams in various components, including key repositories and application classes. Additionally, the user made enhancements to caching mechanisms and corrected logic errors within the codebase.
restrestfulwebservice
wildfly/wildfly
May 2015 - Nov 2024
WildFly Application Server
Role in this project:Back-end Developer & QA Engineer / Test Automation Engineer
Back-end Developer & QA Engineer / Test Automation EngineerContributions:29 reviews, 20 PRs, 128 comments in 9 years 7 months
Contributions summary:Marek primarily contributed to improving the test suite for the WildFly application server. Their work involved creating and enhancing test cases related to profile cloning, JMS, and other core functionalities. They also addressed issues related to timeouts and locale settings within the tests. Furthermore, the user made code adjustments to address bugs and improve test coverage.
application-serverwildfly
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