Johannes Haseitl
Software Developer at undpaul GmbH
Roßtal, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolJohannes Haseitl is a seasoned software engineer and entrepreneur based in Roßtal, Bavaria, with around 15 years of professional experience and over two decades of involvement in software design and scaling. He co-founded and led undpaul GmbH—driving Drupal 8 development as CEO and continuing as a partner—while also contributing as a software developer at Team Internet AG. Johannes combines deep hands-on Drupal expertise with broader web architecture and product delivery skills honed through long-term freelancing and agency work. His background in Engineering Physics from Leibniz Universität Hannover gives him a methodical, systems-oriented approach to solving complex technical problems. Quietly entrepreneurial, he balances client-facing product work with sustaining and contributing to open-source Drupal modules.
14 years of coding experience
12 years of employment as a software developer
Engineering Physics, Engineering Physics at Leibniz Universität Hannover
German, English, French
Stackoverflow
789reputation
74kreached
2answers
0questions
Github Skills (133)
directories10
grav-plugin10
composer10
desktop-application10
grav10
dependency-manager10
scaffold10
rocket10
advanced-custom-fields10
drupal10
php10
packagist10
custom-type10
updating10
create-project10
Programming languages (6)
Github contributions (5)
derhasi/toggl2redmine
Nov 2014 - Feb 2018
Contributions:2 releases, 65 commits, 8 PRs in 3 years 3 months
syncingtogglredmineentriescli
drupal-composer/drupal-composer.github.io
Jan 2015 - Apr 2017
Contributions:28 commits, 1 PR, 25 pushes in 2 years 2 months
globephpdrupalcomposerdrupal-composer
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.