Karel Hala
Principal Front-end Software Engineer at Red Hat
Brno, Southeast, Czechia
Summary
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Rockstar🎓
Top SchoolKarel Hala is a Principal Front-end Software Engineer with 16 years of experience, currently shaping UI architecture and delivery at Red Hat from Brno. He specializes in modern JavaScript ecosystems (React, AngularJS, Ext JS) and pairs front-end expertise with solid backend Java/Spring skills, databases and build tooling to deliver full-stack solutions. Karel has a track record of modernizing large open-source UIs—contributing notable enhancements to ManageIQ and to the PatternFly React component library, including new components, Storybook refactors and improved table functionality. Comfortable across Windows and Linux, he favors VS Code/JetBrains IDEs and Chrome DevTools for rapid debugging and iterative development. His background in plugin development for JIRA/Confluence and experience with diverse tools like Liferay, Node and C++ reflect a pragmatic versatility for integrating front-end work into complex enterprise ecosystems.
16 years of coding experience
1 year of employment as a software developer
Master's Degree, Business Management, System engeneering and informatics, Master's Degree, Business Management, System engeneering and informatics at Brno University of Technologymaturita, správa počítačovch sítí, maturita, správa počítačovch sítí at SOŠ podyjí
English, Czech
Stackoverflow
69reputation
7kreached
8answers
1question
Github Skills (31)
javascript10
ui-components10
css10
ui-design10
uid10
manageiq10
front-end-development10
html10
react10
angular10
storybook9
react-components9
react-component9
rails9
angularjs9
Programming languages (12)
Github contributions (5)
ManageIQ/manageiq-ui-classic
Jun 2016 - Aug 2018
Classic UI of ManageIQ
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:183 commits, 108 PRs, 380 comments in 2 years 1 month
Contributions summary:Karel primarily focused on modernizing the UI of the ManageIQ project by migrating from older UI components to newer ones. They replaced older UI components with UI-components and added improvements to toolbar features. The user also addressed bugs related to strings in the middleware toolbar and data views within the explorer view, improving the application's front-end functionality.
reactmanageiq
patternfly/patternfly-react
Mar 2018 - Jan 2023
A set of React components for the PatternFly project.
Role in this project:Front-end Developer
Front-end DeveloperContributions:12 reviews, 72 commits, 86 PRs in 4 years 10 months
Contributions summary:Karel implemented new features and components for the PatternFly React library. They created a Label component with a remove button, modifying multiple files including mocks, stories, and tests to ensure functionality and proper integration. They also refactored the Storybook structure to align with the repository's package organization, and updated documentation to use correct links. The user also added functionality to the table components.
reactbootstrap3patternflyreact-componentsreactjs
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