Ladislav Thon
Software Developer at IBM
Budweis, South Bohemia, Czechia
Summary
🤩
Rockstar🎓
Top SchoolLadislav Thon is a seasoned Java back-end engineer with 15 years of experience building and hardening enterprise middleware and cloud-native tooling. He spent over a decade at Red Hat advancing application servers, CDI/Weld internals, Thorntail and Quarkus integrations, and recently joined IBM to continue work on scalable platform software. Ladislav combines deep code-level refactoring and test automation skills with practical security- and config-focused fixes (notably RBAC, health endpoints and Kubernetes Secrets handling) across well-known open-source projects such as WildFly and Quarkus. His contributions often target subtle, high-impact areas—legacy feature removals, test-suite consolidation, and improving fault-tolerance and Kafka connector behavior—that reduce technical debt and improve runtime resilience. Based in Budweis, Czechia, he brings a steady track record of shipping reliable server-side improvements and mentoring quality-first engineering practices.
15 years of coding experience
19 years of employment as a software developer
IT, IT at University of West Bohemia, Pilsen
Stackoverflow
6,344reputation
275kreached
161answers
0questions
dart
top-5%
java
top-5%
maven
top-5%
Github Skills (37)
rbac10
messaging10
testing10
kafka10
jboss10
microprofile10
java10
javas10
wildfly10
jta10
jax-rs10
maven10
jpa10
cdi10
reactive-programming10
Programming languages (19)
Github contributions (5)
thorntail/thorntail-examples
Nov 2016 - Jul 2020
Examples of how to write applications using Swarm.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:45 commits, 39 PRs, 27 pushes in 3 years 8 months
Contributions summary:Ladislav primarily focused on improving the example applications within the repository. They addressed issues related to incorrect assertions in JPA, JAX-RS, CDI, and JTA examples, correcting the FEST Assert API usage and adjusting the code to produce the correct output for testing. Additionally, the user implemented tests to ensure that a custom main method in a WAR project was properly executed. They also fixed issues preventing datasource tests from passing on EAP environments.
swarm
thorntail/thorntail
Sep 2016 - Dec 2020
Source code for the Thorntail project
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 reviews, 409 commits, 329 PRs in 4 years 3 months
Contributions summary:Ladislav made several code changes focused on improving the deployment and configuration of the Thorntail project, specifically related to the Arquillian Daemon and health endpoints. They also addressed issues related to the default configuration, including mod_cluster multicast addresses and security subsystem settings. Furthermore, the user enhanced the build process with features like fraction autodetection debugging and the addition of extra dependencies in the runner.
javathorntailmavenmicroservices
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