Daniel Holzmann
Head Of Engineering at Sitelevel
Vienna, Austria
Summary
👤
Senior🎓
Top SchoolDaniel Holzmann is a seasoned software leader and web enthusiast from Vienna with 15 years of experience building production-grade React and Node.js applications. Currently Head of Engineering at Sitelevel, he previously shaped platform and architecture as Principal Software Architect and Director of Engineering at Bond Vet and led product engineering at Veho. He combines hands-on front-end skill—demonstrated by contributions to the widely used toggl/track-extension, where he improved DOM integration and UX for third-party apps—with strategic leadership across startups and consultancy work dating back to his own agency. Known for pragmatic, delivery-focused engineering and a preference for JavaScript ecosystems (PHP tolerated but not beloved), he brings both technical depth and product intuition to cross-functional teams. Trained in Software Engineering at FH Upper Austria, he started coding for fun as a teenager and still channels that curiosity into shipping delightful web experiences.
15 years of coding experience
19 years of employment as a software developer
Bachelor of Science (BSc), Software Engineering, Bachelor of Science (BSc), Software Engineering at University of Applied Sciences Upper Austria - Hagenberg Campus
German, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
dom-manipulation10
google-chrome-extension10
javascript10
firefox-addon10
chrome-extension10
chrome9
firefox9
html8
Programming languages (7)
Github contributions (5)
toggl/track-extension
Sep 2013 - Sep 2013
Toggl Track browser extension for Chrome and Firefox
Role in this project:
Front-end Developer
Front-end DeveloperContributions:11 commits in 2 days
Contributions summary:Daniel primarily contributed to the front-end functionality of the browser extension, focusing on integrating with third-party services like Teambox and JIRA. Their work involved adding and modifying UI elements, such as project selection dropdowns and timer links, within various web applications. They demonstrated a strong understanding of DOM manipulation and JavaScript to interact with existing web page elements and inject new functionality. Furthermore, the user implemented pre-selection of projects based on context, enhancing the user experience.
browser-extensionchromefirefoxchrome-extensionfirefox-addon
Differential/meteor-workers
Nov 2015 - Sep 2023
Spawn headless worker meteor processes to work on async jobs.
Contributions:2 PRs in 7 years 11 months
asyncmeteor
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