Maroš Orsák
Software Developer at Strimzi
Brno - město, South Moravia, Czechia
Summary
🤩
Rockstar🎓
Top SchoolMaroš Orsák is a software developer with eight years of hands-on experience building and testing distributed systems, currently working at IBM and a maintainer of the Strimzi Kafka Operator. He combines backend engineering, DevOps and system testing expertise—contributing to high-profile open source projects like Apache Kafka where he improved test coverage and Java 17 compatibility. At Red Hat he progressed from Software Quality Engineer to Senior SQE, focusing on robust system tests and performance validations for Kubernetes-delivered Kafka. His background includes high-throughput Java server and ETL work, tuning databases and multithreaded services that handled tens of millions of records. Based in Brno, he pairs a formal education in IT and software verification with a practical drive to explore new technologies and incrementally advance platform reliability. Colleagues know him as an ambitious problem-solver who shifts between coding, testing and ops to close the loop on production-grade features.
8 years of coding experience
7 years of employment as a software developer
Inženýr (Ing.), Information Technology and Artificial Intelligence (Software Verification and Testing), Inženýr (Ing.), Information Technology and Artificial Intelligence (Software Verification and Testing) at Vysoké učení technické v Brně
Stackoverflow
13reputation
195reached
2answers
1question
Github Skills (28)
kubernetes10
testing10
kafka10
system-testing10
java10
performance-testing10
scala10
javas10
kubernetes-pods10
apache-kafka10
scripting9
unit-testing9
junit9
shell9
script9
Programming languages (13)
Github contributions (5)
strimzi/strimzi-kafka-operator
Jul 2019 - Jan 2023
Apache Kafka® running on Kubernetes
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:1130 reviews, 247 commits, 434 PRs in 3 years 6 months
Contributions summary:Maroš appears to be primarily focused on system test and implementing new functionality for Kafka Operators. They made several commits related to system tests, including overriding node port configuration and testing user management for a large number of users, and created several test cases to provide additional coverage. Furthermore, there are contributions related to implementing and testing performance features, by the addition of code to test the bandwidth limitation.
kafka-streamsapache-kafkadcosdata-streamsdata-stream
apache/kafka
Aug 2022 - Oct 2022
Mirror of Apache Kafka
Role in this project:Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:12 reviews, 3 commits, 5 PRs in 2 months
Contributions summary:Maroš primarily contributed to improving the Kafka codebase through minor code changes and test additions. They updated Scala versions in build scripts, added unit tests to the Raft module, and added test cases to clients for better coverage. Additionally, the user addressed a Java 17 compatibility issue with MiniKdc within the system tests.
apache-kafkakafka-consumerapachescalakafka
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