Johannes Gilger
Chief Executive Officer at urlscan GmbH
Aachen, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolJohannes Gilger is a founder and CEO with 18 years of experience building scalable, user-focused web systems and the driving force behind urlscan, a widely used website sandbox that reached nearly one million monthly users. He combines hands-on engineering—prototyping acquisition, storage and display of large-scale, unique data sources—with product leadership, turning complex web-security telemetry into accessible investigative tools. Formerly manager of Threat Intelligence Automation at CrowdStrike, he blends security expertise with pragmatic system design and a knack for fast iteration. An active open-source contributor, his work ranges from improving GitX’s UX to polishing the Cuckoo Sandbox front end, reflecting a full-stack fluency across browser automation, Node.js services, Docker orchestration and search infrastructure. Based in Aachen, he prioritizes building systems that work uniformly for users of varied technical backgrounds, often shipping impactful prototypes in short timeframes.
17 years of coding experience
Diploma (MS equivalent), Computer Science, Very Good (Sehr Gut), Diploma (MS equivalent), Computer Science, Very Good (Sehr Gut) at RWTH Aachen University
Stackoverflow
23reputation
336reached
0answers
1question
Github Skills (20)
algorithm10
algorithms10
javascript10
bootstrap10
css10
user-interface10
graphical-user-interface10
human-interface10
webui10
html10
version-control10
bootstra10
diff310
objective-c9
git9
Programming languages (14)
Github contributions (5)
pieter/gitx
Dec 2008 - Sep 2009
A gitk clone for OS X
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:59 commits in 8 months
Contributions summary:Johannes primarily focused on improving the functionality and user experience of the GitX application, particularly in the history and commit views. They addressed bugs related to diff highlighting, including handling binary files and mode changes. Key contributions include implementing features like discarding hunks, adding a "Sign-Off" button, and improving the display of file information in the history view. These changes enhanced the usability and robustness of the application.
macoslibgit2os-xgit-gui
cuckoosandbox/cuckoo
Feb 2016 - Mar 2016
Cuckoo Sandbox is an automated dynamic malware analysis system
Role in this project:Front-end Developer
Front-end DeveloperContributions:16 commits, 1 PR, 1 comment in 9 days
Contributions summary:Johannes primarily focused on enhancing the web UI of the Cuckoo Sandbox, implementing changes related to icons, Bootstrap columns, and other visual elements. Their contributions involved modifications to HTML templates, including the report, overview, and other relevant sections. The user also addressed file display elements and enhanced the presentation of analysis reports, improving the overall user experience.
system-analysiscuckoo-sandboxcuckoosecuritydynamic-malware-analysis
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.