David Kornel
Software Developer at IBM
Brno, Southeast, Czechia
Summary
🤩
Rockstar🎓
Top SchoolDavid Kornel is a software developer with a decade of experience specializing in CI/CD, automation, and Kubernetes ecosystems, currently at IBM after a multi-year tenure at Red Hat. He brings deep Jenkins and JUnit5 expertise and a proven track record automating complex build and test pipelines for projects like the widely used Strimzi Kafka Operator. Comfortable across DevOps toolchains—ArgoCD, Tekton, Docker/Podman, Ansible and OpenShift—he blends hands-on engineering with system-level testing and reliability improvements. His background spans quality engineering leadership roles through to platform-focused development, and he often surfaces non-obvious gains by improving test infrastructure and environment-driven automation. Based in Brno, he pairs applied CS education with practical ops experience dating back to systems administration and scripting in enterprise environments.
10 years of coding experience
12 years of employment as a software developer
Bachelor's degree, Aplikovaná informatika, Bachelor's degree, Aplikovaná informatika at Univerzita Palackého v Olomouci
English, Čeština
Github Skills (13)
jenkins10
kubernetes10
automation10
bash10
automations10
jenkins-ci10
system-testing10
cicd10
kubernetes-pods10
groovy9
openshift9
docker8
dockers8
Programming languages (13)
Github contributions (5)
strimzi/strimzi-kafka-operator
Nov 2019 - Dec 2020
Apache Kafka® running on Kubernetes
Role in this project:
DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:41 reviews, 17 commits, 43 PRs in 1 year
Contributions summary:David primarily contributed to the automation and configuration aspects of the project, focusing on Jenkins pipelines and system tests. They modified Jenkins build pipelines to exclude tags, update PR comments, and allow runs on CRC environments. Furthermore, the user worked on enhancing system tests by loading environment variables from a JSON configuration and improving cluster availability tests during node drain. The changes indicate a focus on improving the build process and testing infrastructure.
kafka-streamsapache-kafkadcosdata-streamsdata-stream
skodjob/automation-hub
Jul 2021 - Mar 2023
Automation repo with ansible and kubernetes deployments
Contributions:153 reviews, 136 commits, 389 PRs in 1 year 8 months
continuous-testingtektondevopsdeploymenttesting
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