Michal Vavřík
Senior Software Engineer at IBM
Czechia
Summary
🤩
Rockstar🎓
Top SchoolMichal Vavřík is a Senior Software Engineer based in Czechia with four years of hands-on experience delivering cloud-native Java systems and infrastructure automation. He has deep Quarkus expertise—contributing security, templating, and reactive persistence improvements to the widely used Quarkus projects—and has operated at the intersection of QA, CI/CD and platform engineering for Red Hat and IBM. Michal’s background spans backend development, containerized test infrastructures, and troubleshooting complex CI failures across diverse environments (AWS, OpenShift, Aarch64, FIPS), reflecting strong systems thinking beyond pure coding. He is comfortable owning production support, release automation and test pipelines, and has experience integrating authentication stacks such as Keycloak and WebAuthn into secure deployments. Notably, he combined hands-on bug fixes and feature work in prominent open-source repos with building and automating the infrastructure that validates those projects at scale.
4 years of coding experience
6 years of employment as a software developer
Master's degree, Informatics, Master's degree, Informatics at University of Ostrava
Stackoverflow
81reputation
1kreached
3answers
0questions
Github Skills (17)
java10
security10
javas10
quarkus10
templating10
translation9
dockers9
internationalization9
docker9
rest-api8
hibernate-orm8
webauthn7
jakartaee7
persistence7
rabbitmq7
Programming languages (7)
Github contributions (5)
quarkusio/quarkus
Apr 2022 - Dec 2022
Quarkus: Supersonic Subatomic Java.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1749 reviews, 111 commits, 407 PRs in 8 months
Contributions summary:Michal primarily focused on back-end development tasks, specifically making changes to the Quarkus Qute templating engine. Their contributions included making the `io.quarkus.qute.i18n.Message.value()` optional, refining the handling of localized message bundles, and improving the support for expression validation within the templating system. They also worked on custom template locators.
javaquarkuskubernetescloud-nativereactive
quarkusio/quarkus-quickstarts
Apr 2022 - Oct 2022
Quarkus quickstart code
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:2 reviews, 3 commits, 10 PRs in 6 months
Contributions summary:Michal contributed to multiple quickstarts within the Quarkus ecosystem, demonstrating proficiency in both backend and related infrastructure. They fixed a bug related to a test case and added security features with LDAP and Jakarta Persistence Reactive. Further work involved adapting quickstarts for a remote Docker agent, and adding security features using WebAuthn and Hibernate ORM.
quarkus
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