Heinrich Fenkart
Software Developer at Freiberuflich
Vienna, Austria
Summary
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Top expert inWeb Development and JavaScript Ecosystem
Heinrich Fenkart is a Vienna-based software developer with 13 years of experience building full-stack web applications and research-grade software. He combines freelance client work with roles in research and academia, including senior research engineering at CDP and teaching and research assistant positions at the University of Vienna. Heinrich contributes to prominent open-source projects like Bootstrap and Bootlint, focusing on documentation quality, modernizing legacy JavaScript patterns, and improving HTML linting and CLI tooling. His background blends rigorous academic training (MSc/BSc in Computer Science) with practical attention to detail—often surfacing as bug fixes and test-driven improvements that keep widely used front-end tooling reliable.
13 years of coding experience
6 years of employment as a software developer
Master of Science - MSc, Computer Science, Master of Science - MSc, Computer Science at University of Vienna
Stackoverflow
23reputation
60reached
1answer
1question
Github Skills (15)
html10
linter10
javascript10
css-frameworks10
bootstra10
bootstrap10
documentation9
testing9
cli9
nodejs8
css8
jquery8
font-size6
twitter-bootstrap6
typography6
Programming languages (9)
Github contributions (5)
twbs/bootlint
Jul 2014 - Mar 2015
HTML linter for Bootstrap projects
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 release, 35 commits, 8 PRs in 7 months
Contributions summary:Heinrich primarily contributed to improving the HTML linter for Bootstrap projects, Bootlint. Their work involved fixing bugs related to button types and the interaction of Bootstrap classes like `.row`, `.container`, and `.form-control-feedback`. They also implemented enhancements to the command-line interface (CLI) by adding support for linting input from stdin and included a refactoring to use `slice` instead of `filter`. Furthermore, they added and modified test fixtures and integrated the linter into the test task.
linterbookmarkletbootlintbootstraphtml-linter
twbs/bootstrap
Sep 2013 - Jan 2017
The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.
Role in this project:Front-end Developer
Front-end DeveloperContributions:226 commits, 56 PRs, 55 pushes in 3 years 3 months
Contributions summary:Heinrich primarily contributed to the Bootstrap repository by fixing typos and improving documentation within the CSS and JavaScript components. Their work included correcting errors in JavaScript documentation, replacing instances of `$.fn.bind` with the modern `$.fn.on` method, and updating generated markup by the tooltip plugin. These changes focused on maintaining accurate documentation and code consistency within the project.
sassdevelopingcssjavascriptjavascript-framework
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