Klemens Ullmann-marx
Unternehmensinhaber at ull.at
Vienna, Austria
Summary
👤
Senior🎓
Top SchoolKlemens Ullmann-marx is an experienced web software architect and entrepreneur based in Vienna, leading his company ull.at since 2007. He brings over 20 years of hands-on expertise in web development (HTML, CSS, JavaScript, PHP, Symfony), databases and Linux server administration (MySQL, Apache, Samba) and cloud/Nextcloud deployments. Equally comfortable in frontend and backend design, he has driven large-scale projects as architect, developer and project manager using agile practices and Git-based workflows. His profile combines long-term operational ownership of infrastructure with practical automation (Ansible) and a track record of turning complex requirements into maintainable systems. Notably, he blends deep technical craftsmanship with sustained entrepreneurial experience running a tech business for nearly two decades.
12 years of coding experience
Vienna University of Technology
English, French
Github Skills (181)
api-platform10
backend10
encryption10
secrets10
doctrine-orm10
vault10
bdd10
doctrine10
go10
tdd10
nested-set10
php10
chai10
postman10
bundle9
Programming languages (14)
Github contributions (5)
klemens-u/ic-label-creator
Dec 2019 - Nov 2021
Label Creator for IC Chip Pinouts (Javascript/SVG)
Contributions:1 review, 31 commits, 3 PRs in 1 year 10 months
javascriptsvgic-chipsic-labelsvg-label
klemens-u/nextcloud-inotify
Jan 2024 - Dec 2025
Contributions:6 pushes, 1 branch in 1 year 11 months
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